02 / SEP / 2020
MATHEMATICS
Chapter - 5 (Mixed Problems)
02 / SEP / 2020
MATHEMATICS
Chapter - 5 (Mixed Problems)
Assignment :
Fill in the blanks (Page no. 52).
H
T
O
H
T
O
H
T
O
4
5
6
1
6
1
6
6
2
0
2
5
9
7
1
+
1
1
9
+
5
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8
+
8
4
7
7
9
9
0
9
6
7
H
T
O
H
T
O
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T
O
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5
3
5
6
1
9
2
1
2
2
1
1
8
+
1
9
2
+
3
5
6
+
5
8
6
8
6
9
9
2
4
9
6
2
Assignment :
Fill in the blanks (Page no. 52).
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H
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H
T
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7
8
4
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8
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4
9
2
1
5
1
1
4
2
+
3
1
+
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+
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9
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7
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9
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01 / SEP / 2020
MATHEMATICS
Chapter - 5 (Mixed Problems)
ADDITION AND SUBTRACTION
Example 1 :
Solve : 365 + 265 - 432.
Method:
Step 1 : First add the numbers 365 and 265.
01 / SEP / 2020
MATHEMATICS
Chapter - 5 (Mixed Problems)
ADDITION AND SUBTRACTION
Example 1 :
Solve : 365 + 265 - 432.
Method:
Step 1 : First add the numbers 365 and 265.
3
6
5
+
2
6
5
6
3
0
Step 2 : Subtract 432 from 630
6
3
0
-
4
3
2
1
9
8
Answer is 198.
Assignment:
Solve the following in your Mathematics OCB.
(a) 3 8 9 + 4 9 7 - 2 3 4 =
(b) 5 9 + 3 8 0 - 8 9 =
(c) 1 4 9 + 4 5 6 - 3 2 4 =
(d) 1 9 8 + 4 5 6 - 3 2 1 =
(e) 2 3 4 + 5 6 2 - 1 8 9 =
(f) 4 5 9 + 2 3 2 - 5 0 3 =
(g) 6 0 9 + 3 2 1 - 7 1 9 =
(h) 3 2 1 + 9 5 - 1 2 3 =
3
|
6
|
5
| |
+
|
2
|
6
|
5
|
6
|
3
|
0
|
Step 2 : Subtract 432 from 630
6
|
3
|
0
| |
-
|
4
|
3
|
2
|
1
|
9
|
8
|
Answer is 198.
Assignment:
Solve the following in your Mathematics OCB.
(a) 3 8 9 + 4 9 7 - 2 3 4 =
(b) 5 9 + 3 8 0 - 8 9 =
(c) 1 4 9 + 4 5 6 - 3 2 4 =
(d) 1 9 8 + 4 5 6 - 3 2 1 =
(e) 2 3 4 + 5 6 2 - 1 8 9 =
(f) 4 5 9 + 2 3 2 - 5 0 3 =
(g) 6 0 9 + 3 2 1 - 7 1 9 =
(h) 3 2 1 + 9 5 - 1 2 3 =
13 / AUG / 2020
MATHEMATICS
Chapter- 8 Geometry
(Revision)
Assignment :
Answer the following questions in the Mathematics OCB.
1) Which shape has 3 vertices?
Ans. ____________
2) Which shape have all 4 sides equal?
Ans. ____________
3) Which shape has its opposite side equal?
Ans. ____________
4) How many sides does a hexagon have?
Ans. ____________
5) Which shape has unequal diagonals?
Ans. ____________
6) How many vertices does a rhombus have?
Ans. ____________
7) Name two shapes having no sides.
Ans. 1.____________ 2. ____________
8) Name two shapes having equal diagonals.
Ans. 1.____________ 2. ____________
11 / AUG / 2020
MATHEMATICS
Chapter- 8 Geometry
(Revision)
Assignment :
Do the following exercises in the Mathematics OCB.
A. Fill in the missing letters to get the complete words.
1) It has 3 equal or unequal sides and 3 vertices.
Ans: T __ __ A __ G __ E
2) It has 4 sides and 4 vertices. All its sides are equal. It has 2 equal diagonals.
Ans: S __ U __ __ E
3) It has 4 sides (2 long and 2 short) and 4 vertices. Its opposite sides are equal. It has 2 equal diagonals.
Ans: R __ C __ A __ __ L E
4) It has neither sides nor vertices. It is round in shape.
Ans: C __ R __ L __
5) It has neither sides nor vertices. It is more elongated than a circle.
Ans: O __ A L
6) It has 6 sides which may or may not be equal. It has 6 vertices.
Ans: H __ X A __ __ N
7) It has equal sides and 4 vertices. It has 2 unequal diagonals.
Ans: R __ O M __ __ S
10 / AUG / 2020
MATHEMATICS
Chapter- 6 Multiplication
(Revision)
Assignment:
Do the following exercises in your Mathematics OCB.
1. Complete these multiplication tables.
2 × 1 = 2 3 × 1 = 3
2 × __= 4 3 × 2 = __
2 × 3 = 6 3 × __ = 9
2 × 4 = __ 3 × 4 = 12
2 × 5 = 10 3 × 5 = 15
2 __ 6 = 12 __× 6 = 18
2 × 7 = __ 3 × 7 = __
2 × 8 = 16 3 × 8 = __
2 × __= 18 3 × 9 = 27
2 ×10 = __ 3 × __ = 30
Q 2. Find the product of the following.
2 4 4 3 5 1
× 2 × 3 × 2
-------- -------- --------
-------- -------- --------
3 4 6 2 4 4
× 2 × 3 × 2
------- ------- -------
------- ------- -------
07 / AUG / 2020
MATHEMATICS
Chapter- 6 Multiplication
(Revision)
Assignment:
Do the following exercises in your Mathematics OCB.
1. Recollect the tables and match the following.
5 x 4
27
6 x 8
40
9 x 3
48
5 x 8
18
7 x 3
20
2 x 9
21
3 x 8
30
2 x 6
24
7 x 7
35
5 x 6
36
5 x 7
12
6 x 6
49
2. Find the product of the following.
2
4
3
2
2
3
x
2
x
3
x
3
1
4
3
2
4
3
x
2
x
2
x
2
06 / AUG / 2020
MATHEMATICS
Chapter- 6 Multiplication
(Revision)
Assignment:
Do the following exercises in your Mathematics OCB.
1. Fill in the blanks.
a)
3
x
2
=
b)
2
x
4
=
c)
6
x
9
=
d)
8
x
2
=
e)
4
x
7
=
f)
8
x
4
=
g)
5
x
8
=
h)
6
x
5
=
i)
7
x
7
=
j)
9
x
7
=
LET US REVISE
1. There are 2 ponds. Each pond has 4 ducks. How many ducks are there in the two ponds ?
4
+
4
=
or
2 times 4 equals
There are
x
=
ducks
2. A pizza has 6 slices. How many slices will 4 pizzas have?
+
+
=
or
x
=
slices
05 / AUG / 2020
MATHEMATICS
Chapter- 4 Subtraction
(Revision)
Assignment:
Solve the following in your Mathematics OCB (Page no. 50)
9. 565 children of a school had ice-creams. 218 students had vanilla ice-creams. The rest had chocolate ice-creams. How many children had chocolate ice-creams?
10. A school took 364 students to science city. If 167 students were boys, how many students were girls?
11. The students of classes 2'A' and 2'B' made 283 charts in an exhibition. If the 2'A' students made 139 charts, how many charts did the 2'B' students make?
12. There are 447 seats in an aeroplane. 298 people are travelling in the aeroplane. How many seats are vacant if one seat has only one person sitting in it?
04 / AUG / 2020
MATHEMATICS
Chapter - 4 (Revision)
Assignment:
Solve the following in your Mathematics OCB (page no. 50)
5. 638 people were going to Bengaluru by a train. If 235 people got off at Indore, how many people were left in the train?
6. A balloon - seller had 448 balloons. He sold 226 balloons. How many balloons were left with him?
7. There are 500 seats in an auditorium. If 374 people attended a concert held in the auditorium, how many seats were empty?
8. A shopkeeper bought 76 tins of cheese. He sold 49 tins. How many tins of cheese were left?
31 / JULY / 2020
MATHEMATICS
Chapter - 4 (Revision)
SUBTRACTION (Page no. 50)
Assignment:-
Solve the problem in Mathematics OCB
Q.no.1. A group of soldiers had 65 bags of food. If they used 34, how many bags were left?
Q.no. 2. Manan sold 156 mobile phones and Subham sold 133. Who sold more mobile phones and how many?
Q.no. 3. There are 938 children in a school, 425 are girls. How many boys are there in the school?
Q.no. 4. A cinema hall had 954 seats. At the matinee show there were only 623 audience. How many seats were vacant?
30 / JULY / 2020
MATHEMATICS
Chapter - 3 (Revision)
Assignment ( page no- 26)
Do the following exercises in your Maths OCB.
1. By actual calculation, prove that the sum of the following remain same after reversing the order.
a) 32 + 45
b) 95 + 21
c) 125 + 3
d) 29 + 39
2. Add the following.
a) 83 + 0
b) 94 + 0
c) 21 + 0
d) 45 + 0
3. Find the successors of the following.
a) 25
b) 39
c) 123
d) 145
29 / JULY / 2020
MATHEMATICS
Chapter - 1 (Revision)
Self Assessment Test (SAT)
General Instructions:-
1. Read the questions carefully.
2. Each answer is of one mark.
3. Click on the submit button after completing the test.
Note:- It is mandatory to write your name and four digit registration number.
Click here to attempt your SAT in Maths Chapter 1
28 / JULY / 2020
MATHEMATICS
Chapter - 3 (Revision)
Assignment ( Page no- 26)
Do the following exercises in your Maths OCB.
1. By actual calculation, proves that the sum of the following remain the same after reversing the order.
a) 32 + 45
b) 95 + 21
c) 125 + 3
d) 29 + 39
2. Add the following.
a) 83 + 0
b) 94 + 0
c) 21 + 0
d) 45 + 0
3. Find the successors of the following.
a) 25
b) 39
c) 123
d) 145
Assignment:- Revise Ch- 1 for your Self Assessment Test (SAT) for tomorrow 29/7/2020 (Wednesday)
24 / JULY / 2020
MATHEMATICS
Chapter - 2 (Numbers)
Do the following exercise in your text book (page no.16)
1. Write the numbers that comes before or after the given numbers.
(a)
96
(e)
87
(i)
82
(b)
68
(f)
78
(j)
88
(c)
89
(g)
67
(j)
91
(d)
65
(h)
86
(k)
98
23 / JULY / 2020
MATHEMATICS
Chapter - 2 (Numbers)
Do the following exercises in your text book (page no.15)
22 / JULY / 2020
MATHEMATICS
(Revision)
Chapter - 3 (Addition) & 4 (Subtraction)
Do the following exercises in your Mathematics OCB.
A. Fill in the blanks.
1) 12 - 0 = _____ 2) 10 - 0 = ____
3) 25 - 25 = _____ 4) 5 - 1= ____
5) 13 - 0 = _____ 6) 3 - 1 = ____
7) 9 - 0 = _____ 8) 12 - 12 = ____
9) 17 - 17 = _____ 10) 15 - 0 = ____
B. Solve the following problems.
1) There were 350 people in one train and 756 people in another. How many people were there in both trains?
2) There are 288 apples in one basket and 174 apples in another basket. How many apples are there in both baskets?
3) In a factory, 256 male and 412 female workers are working. Find the total workers in the factory?
4) In a library, there are 281 books in Hindi, 454 books in English and 279 books in Maths. How many books are there in the library?
21 / JULY / 2020
MATHEMATICS
(Revision)
Chapter - 2 (Numbers)
Do the following exercises in your Mathematics OCB.
1. Write in the missing numbers as directed in the brackets.
(a) Count in twos.
521 ___ 525 ___ , ___ 531 ___, ___, ___ 539
(b) Count in fives.
875 ___, ___ 890 ___, ___, ___ 910 ___, ____.
(c) Count in tens.
420 ___, 440 ___, ____, 470 ____, ____, 500.
(d) Count in reverse.
210 ___, ___, 207 ___, ___, ___, 203 ___, ___.
(e) Count forward.
311 ___, 313 ___, ___, ___, 317 ___, ___, 320
2. Write in the ascending order.
(a) 122, 345, 524, 421, 222
(b) 237, 466, 123, 781, 345
(c) 456, 675, 120, 237, 910
(d) 710, 310, 410, 510, 610
3. Write in the descending order.
(a) 136, 816, 912, 832, 456
(b) 982, 317, 456, 968, 318
(c) 710, 310, 410, 510, 610
(d) 199, 418, 319, 546, 612
20 / JULY / 2020
MATHEMATICS
Chapter - 2 (Numbers)
Do the following exercises in your text book.(Page no. 25)
Ex.2. Write the following in the standard form.
(a) 8 hundreds + 7 tens + 3 ones = _____
(b) 7 hundreds + 8 tens + 9 ones = _____
(c) 2 hundreds + 5 tens + 7 ones = _____
(d) 4 hundreds + 6 tens + 3 ones = _____
(e) 5 hundreds + 0 ten + 6 ones = _____
Ex.3. Write the expended forms of the following numbers.
(a) 129 = ( ) hundreds( ) tens ( ) ones.
(b) 97 = ( ) hundreds( ) tens ( ) ones.
(c) 685 = ( ) hundreds( ) tens ( ) ones.
(d) 625 = ( ) hundreds( ) tens ( ) ones.
(e) 901 = ( ) hundreds( ) tens ( ) ones.
(f) 391 = ( ) hundreds( ) tens ( ) ones.
17 / JULY / 2020
MATHEMATICS
Chapter - 2 (Numbers)
Ex.1. Write the expanded forms of the following in your text book.(Page no.24)
(a) 204 = _____ + _____ + _____
(b) 310 = _____ + _____ + _____
(c) 452 = _____ + _____ + _____
(d) 682 = _____ + _____ + _____
(e) 925 = _____ + _____ + _____
(f) 516 = _____ + _____ + _____
(g) 144 = _____ + _____ + _____
(h) 509 = _____ + _____ + _____
Page no. 25
Ex.1. Write the numbers in the compact form in your text book.
(a) 500 + 8 = _______
(b) 700 + 40 = _______
(c) 400 + 50 + 7 = _______
(d) 300 + 50 + 1 = _______
(e) 600 + 7 = _______
(f) 100 + 20 + 4 = _______
(g) 900 + 80 + 6 = _______
(h) 800 + 90 + 5 = _______
(i) 800 + 60 + 2 = _______
(j) 500 + 1 = _______
16 / JULY / 2020
MATHEMATICS
Chapter - 2 (Numbers)
Ex.2. Complete the following table with respect to the circled digits in your text book. (Page no. 22)
Ex.3 Fill in the blanks in your text book.(Page no. 23)
(a) In 735, the place value of 7 is ________
the face value of 7 is ________
(b) In 582, the place value of 8 is ________
the face value of 8 is _________
(c) In 678, the place value of 7 is _________
the face value of 7 is _________
(d) In 456, the place value of 5 is _________
the face value of 5 is __________
(e) In 749, the place value of 9 is _________
the face value of 9 is __________
15 / JULY / 2020
MATHEMATICS
Chapter - 2 (Numbers)
Ex.1. Write the place value of the circled digit in each of the following in your text book (Page no.21)
Ex.1. Write the place value of the circled digit in each of the following in your text book (Page no.22)
MATHEMATICS
Chapter - 2 (Numbers)
Do the following exercises in your text book (Page no.20)
Ex.1. Write in ascending order.
(a) 698, 236, 125, 447
(b) 237, 872, 143, 662
(c) 334, 122, 568, 22
Ex.2. Write in descending order.
(a) 136, 816, 912, 832, 456
(b) 982, 317, 456, 968, 318
(c) 199, 418, 319, 546, 612
Ex.3. Circle the greatest number.
(a) 547, 643, 447, 400
(b) 453, 462, 475, 443
(c) 639, 634, 637, 600
(d) 951, 552, 955, 900
Ex.4. Circle the smallest number.
(a) 248, 163, 377, 401
(b) 657, 648, 632, 640
(c) 552, 551, 556, 550
(d) 451, 459, 450, 460
13 / JULY / 2020
MATHEMATICS
Chapter - 2 (Numbers)
3. Fill in the blanks in your text book. (Page no.17)
(a) ____ comes between 300 and 302.
(b) ____ comes between 444 and 446.
(c) ____ comes after 599.
(d) ____ comes before 900.
(e) ____ comes after 198.
(f) ____ comes before 279.
(g) ____ comes before 765.
(h) ____ comes after 894.
(i) 397 comes between____ and _____.
(j) 998 comes between ____ and 999.
4. Put the correct sign > (greater than), < (less than) and = (equal to) in text book. (page no.19)
(a) 100 ( ) 121 (b) 555 ( ) 558
(c) 580 ( ) 579 (d) 980 ( ) 980
(e) 900 ( ) 900 (f) 763 ( ) 760
(g) 236 ( ) 49 (h) 809 ( ) 809
(i) 459 ( ) 464 (j) 674 ( ) 690
10 / JULY / 2020
MATHEMATICS
Chapter - 2 (Numbers)
1. Write the number that comes before or after the given numbers in your text book.(page no. 16)
a) ______ 96 b) ______ 68 c) 79 _____
d) 65 _____ e) ______ 87 f) _____ 78
g) 67 _____ h) 86 _____ i) _____ 82
j) _____ 88 k) 91 ______ l) 98 ____
2. Write the number which comes between the two given numbers.
a) 523 _____ 525 b) 911 _____ 913
c) 649 _____ 651 d) 586 _____ 588
e) 238 _____ 240 f) 761 _____ 763
g) 489 _____ 491 h) 835 _____ 837
09 / JULY / 2020
MATHEMATICS
Chapter - 2 (Numbers)
3. Complete the following by filling in the missing numbers in your text book (page no. 13)
101
104
108
110
113
115
118
120
121
124
126
131
133
135
138
140
144
146
149
153
157
160
161
164
166
169
171
172
175
178
180
183
186
188
191
192
195
199
200
4. Write the missing numbers as directed in your text book.(page no. 14)
(a) Count in twos
541
545
551
559
(b) Count in reverse
660
655
652
(c) Count in tens
770
800
850
(d) Count in fives
875
890
910
(e) Count in tens
990
950
900
(f) Count in reverse.
110
107
103
(g) Count in forward.
211
214
219
(h) Count in forward.
321
325
330
(i) Count in reverse.
440
436
433
08 / JULY / 2020
MATHEMATICS
Chapter - 2 (Numbers)
1. Write the names of the following numbers in your text book (Pg.no. 12)
(a) 342 ____________________________
(b) 590 ____________________________
(c) 432 ____________________________
(d) 168 ____________________________
(e) 962 ____________________________
(f) 503 _____________________________
(g) 431 _____________________________
(h) 608 _____________________________
(I) 295 _____________________________
(j) 588 _____________________________
2. Write the following in figures in your text book. (Pg.no 13)
(a) Three hundreds thirty eight
(b) One hundred forty seven
(c) Seven hundreds sixty six
(d) Three hundreds seventy four
(e) Four hundreds ninety nine
(f) Eight hundreds thirteen
(g) Six hundreds five
(h) Nine hundreds fifty
07 / JULY / 2020
MATHEMATICS
Chapter - 1 (Revision)
Do the following exercises in your text book.
9. Miscellaneous questions.(page no. 7)
4) Put the sign '>' or '<' or '='.
(a) 155 ____ 276
(b) 405 ____ 628
(c) 788 ____ 769
(d) 987 ____ 987
(e) 730 ____ 577
(f) 625 ____ 689
(g) 371 ____ 829
(h) 538 ____ 538
(I) 312 ____ 821
(j) 638 ____ 638
(k) 265 ____ 369
(l) 912 ____ 764
5) Fill in the blanks.
(a) ____ comes between 89 and 91.
(b) ____ comes before 45.
(c) 69 comes before ____.
(d) ____ comes after 57.
(e) 39 comes between ____ and ____.
(f) 26 comes between ____ and ____.
06 / JULY / 2020
MATHEMATICS
Chapter - 1 (Revision)
Do the following exercises in text book.
7) Arrange the following numbers in ascending order. One has been done for you.
(a) 216, 825, 916, 325, 496
Ans: 216, 325, 496, 825, 916
(b) 382, 928, 286, 135, 405
(c) 849, 840, 896, 825, 986
8) Arrange the following numbers in descending order. One has been done for you.
(a) 487, 968, 629, 405, 720
Ans: 968, 720, 629, 487, 405
(b) 215, 316, 480, 680, 209
(c) 712, 628, 782, 639, 750
9) Miscellaneous questions.
1) 71 is greater than____but less than____.
2) 84 is less than____but greater than____.
3) Write in words.
(a) 99 :______________
(b) 43 :_____________
03 / JULY / 2020
MATHEMATICS
Chapter - 1 (Revision)
Page no. 6.
Do the following exercises in your text book.
5. Fill in the blanks.
(a) The number before 41 is ___.
(b) The number after 58 is ___.
(c) The number before 48 is ___.
(d) The number before ___is 16.
(e) 27 is in between ___ and 28.
(f) 98 is in between 97 and ___.
6. Tick (✓) the greatest number and cross (×) the smallest number in each group.
(a) 312, 682, 379, 485, 789
(b) 132, 128, 699, 235, 628
(c) 519, 987, 632, 187, 927
(d) 621, 126, 162, 782, 312
02 / JULY / 2020
MATHEMATICS
Chapter - 1 (Revision)
Page no. 5 and 6.
Do the following exercises in your text book.
1. Write the figures.
a) Seventy seven
b) Three
c) Zero
d) Twenty
e) Thirty eight
f) Nineteen
g) Ninety nine
h) Sixty one
2. Write in words.
a) 37
b) 62
c) 76
d) 63
e) 75
f) 98
3. Write the expanded form.
a) 47 = 40 + 7
b) 98
c) 45
d) 62
e) 33
4. Write in compact form.
a) 90 + 5 = 95
b) 80 + 3 =
c) 30 + 10 =
d) 50 + 4 =
e) 70 + 6 =
01 / JULY / 2020
MATHEMATICS
Chapter - 8 (GEOMETRY)
Revise two dimensional shapes from page no. 76 and 77 and answer the following questions.
1) Which shape has 3 vertices?
Ans.___________
2) Which shape has all 4 sides equal?
Ans.___________
3) Which shape has its opposite side equal?
Ans.___________
4) How many sides does a hexagon have?
Ans.___________
5) Which shape has unequal diagonals?
Ans.___________
6) How many vertices does a rhombus have?
Ans.___________
7) Name two shapes having no sides.
Ans.___________
8) Name two shapes having equal diagonals.
Ans.___________
13 / AUG / 2020
MATHEMATICS
Chapter- 8 Geometry
(Revision)
Assignment :
Answer the following questions in the Mathematics OCB.
1) Which shape has 3 vertices?
Ans. ____________
2) Which shape have all 4 sides equal?
Ans. ____________
3) Which shape has its opposite side equal?
Ans. ____________
4) How many sides does a hexagon have?
Ans. ____________
5) Which shape has unequal diagonals?
Ans. ____________
6) How many vertices does a rhombus have?
Ans. ____________
7) Name two shapes having no sides.
Ans. 1.____________ 2. ____________
8) Name two shapes having equal diagonals.
Ans. 1.____________ 2. ____________
11 / AUG / 2020
MATHEMATICS
Chapter- 8 Geometry
(Revision)
Assignment :
Do the following exercises in the Mathematics OCB.
A. Fill in the missing letters to get the complete words.
A. Fill in the missing letters to get the complete words.
1) It has 3 equal or unequal sides and 3 vertices.
Ans: T __ __ A __ G __ E
2) It has 4 sides and 4 vertices. All its sides are equal. It has 2 equal diagonals.
Ans: S __ U __ __ E
3) It has 4 sides (2 long and 2 short) and 4 vertices. Its opposite sides are equal. It has 2 equal diagonals.
Ans: R __ C __ A __ __ L E
4) It has neither sides nor vertices. It is round in shape.
Ans: C __ R __ L __
5) It has neither sides nor vertices. It is more elongated than a circle.
Ans: O __ A L
6) It has 6 sides which may or may not be equal. It has 6 vertices.
Ans: H __ X A __ __ N
7) It has equal sides and 4 vertices. It has 2 unequal diagonals.
Ans: R __ O M __ __ S
10 / AUG / 2020
MATHEMATICS
Chapter- 6 Multiplication
(Revision)
Assignment:
Do the following exercises in your Mathematics OCB.
1. Complete these multiplication tables.
2 × 1 = 2 3 × 1 = 3
2 × __= 4 3 × 2 = __
2 × 3 = 6 3 × __ = 9
2 × 4 = __ 3 × 4 = 12
2 × 5 = 10 3 × 5 = 15
2 __ 6 = 12 __× 6 = 18
2 × 7 = __ 3 × 7 = __
2 × 8 = 16 3 × 8 = __
2 × __= 18 3 × 9 = 27
2 ×10 = __ 3 × __ = 30
Q 2. Find the product of the following.
2 4 4 3 5 1
× 2 × 3 × 2
-------- -------- --------
-------- -------- --------
3 4 6 2 4 4
× 2 × 3 × 2
------- ------- -------
------- ------- -------
07 / AUG / 2020
MATHEMATICS
Chapter- 6 Multiplication
(Revision)
Assignment:
Do the following exercises in your Mathematics OCB.
1. Recollect the tables and match the following.
5 x 4
|
27
| ||
6 x 8
|
40
| ||
9 x 3
|
48
| ||
5 x 8
|
18
| ||
7 x 3
|
20
| ||
2 x 9
|
21
| ||
3 x 8
|
30
| ||
2 x 6
|
24
| ||
7 x 7
|
35
| ||
5 x 6
|
36
| ||
5 x 7
|
12
| ||
6 x 6
|
49
|
2. Find the product of the following.
2
|
4
|
3
|
2
|
2
|
3
| ||
x
|
2
|
x
|
3
|
x
|
3
| ||
1
|
4
|
3
|
2
|
4
|
3
| ||
x
|
2
|
x
|
2
|
x
|
2
| ||
06 / AUG / 2020
MATHEMATICS
Chapter- 6 Multiplication
(Revision)
Assignment:
Do the following exercises in your Mathematics OCB.
1. Fill in the blanks.
a)
|
3
|
x
|
2
|
=
|
b)
|
2
|
x
|
4
|
=
| |||
c)
|
6
|
x
|
9
|
=
|
d)
|
8
|
x
|
2
|
=
| |||
e)
|
4
|
x
|
7
|
=
|
f)
|
8
|
x
|
4
|
=
| |||
g)
|
5
|
x
|
8
|
=
|
h)
|
6
|
x
|
5
|
=
| |||
i)
|
7
|
x
|
7
|
=
|
j)
|
9
|
x
|
7
|
=
|
LET US REVISE
1. There are 2 ponds. Each pond has 4 ducks. How many ducks are there in the two ponds ?
4
|
+
|
4
|
=
|
or
|
2 times 4 equals
| |||||||
There are
|
x
|
=
|
ducks
|
2. A pizza has 6 slices. How many slices will 4 pizzas have?
+
|
+
|
=
| ||||
or
|
x
|
=
|
slices
|
05 / AUG / 2020
MATHEMATICS
Chapter- 4 Subtraction
(Revision)
Assignment:
9. 565 children of a school had ice-creams. 218 students had vanilla ice-creams. The rest had chocolate ice-creams. How many children had chocolate ice-creams?
10. A school took 364 students to science city. If 167 students were boys, how many students were girls?
11. The students of classes 2'A' and 2'B' made 283 charts in an exhibition. If the 2'A' students made 139 charts, how many charts did the 2'B' students make?
12. There are 447 seats in an aeroplane. 298 people are travelling in the aeroplane. How many seats are vacant if one seat has only one person sitting in it?
10. A school took 364 students to science city. If 167 students were boys, how many students were girls?
11. The students of classes 2'A' and 2'B' made 283 charts in an exhibition. If the 2'A' students made 139 charts, how many charts did the 2'B' students make?
12. There are 447 seats in an aeroplane. 298 people are travelling in the aeroplane. How many seats are vacant if one seat has only one person sitting in it?
04 / AUG / 2020
MATHEMATICS
Chapter - 4 (Revision)
Assignment:
Solve the following in your Mathematics OCB (page no. 50)
Solve the following in your Mathematics OCB (page no. 50)
5. 638 people were going to Bengaluru by a train. If 235 people got off at Indore, how many people were left in the train?
6. A balloon - seller had 448 balloons. He sold 226 balloons. How many balloons were left with him?
7. There are 500 seats in an auditorium. If 374 people attended a concert held in the auditorium, how many seats were empty?
8. A shopkeeper bought 76 tins of cheese. He sold 49 tins. How many tins of cheese were left?
31 / JULY / 2020
MATHEMATICS
Chapter - 4 (Revision)
SUBTRACTION (Page no. 50)
Assignment:-
Solve the problem in Mathematics OCB
Q.no.1. A group of soldiers had 65 bags of food. If they used 34, how many bags were left?
Q.no. 2. Manan sold 156 mobile phones and Subham sold 133. Who sold more mobile phones and how many?
Q.no. 3. There are 938 children in a school, 425 are girls. How many boys are there in the school?
Q.no. 4. A cinema hall had 954 seats. At the matinee show there were only 623 audience. How many seats were vacant?
30 / JULY / 2020
MATHEMATICS
Chapter - 3 (Revision)
Assignment ( page no- 26)
Do the following exercises in your Maths OCB.
a) 32 + 45
b) 95 + 21
c) 125 + 3
d) 29 + 39
2. Add the following.
a) 83 + 0
b) 94 + 0
c) 21 + 0
d) 45 + 0
3. Find the successors of the following.
a) 25
b) 39
c) 123
d) 145
29 / JULY / 2020
MATHEMATICS
Chapter - 1 (Revision)
Self Assessment Test (SAT)
General Instructions:-
1. Read the questions carefully.
2. Each answer is of one mark.
3. Click on the submit button after completing the test.
Note:- It is mandatory to write your name and four digit registration number.
28 / JULY / 2020
MATHEMATICS
Chapter - 3 (Revision)
Assignment ( Page no- 26)
Do the following exercises in your Maths OCB.
a) 32 + 45
b) 95 + 21
c) 125 + 3
d) 29 + 39
2. Add the following.
a) 83 + 0
b) 94 + 0
c) 21 + 0
d) 45 + 0
3. Find the successors of the following.
a) 25
b) 39
c) 123
d) 145
Assignment:- Revise Ch- 1 for your Self Assessment Test (SAT) for tomorrow 29/7/2020 (Wednesday)
24 / JULY / 2020
MATHEMATICS
Chapter - 2 (Numbers)
Do the following exercise in your text book (page no.16)
1. Write the numbers that comes before or after the given numbers.
(a)
|
96
|
(e)
|
87
|
(i)
|
82
| ||||||||
(b)
|
68
|
(f)
|
78
|
(j)
|
88
| ||||||||
(c)
|
89
|
(g)
|
67
|
(j)
|
91
| ||||||||
(d)
|
65
|
(h)
|
86
|
(k)
|
98
|
23 / JULY / 2020
MATHEMATICS
Chapter - 2 (Numbers)
Do the following exercises in your text book (page no.15)
22 / JULY / 2020
MATHEMATICS
(Revision)
Chapter - 3 (Addition) & 4 (Subtraction)
Do the following exercises in your Mathematics OCB.
Do the following exercises in your Mathematics OCB.
1) 12 - 0 = _____ 2) 10 - 0 = ____
3) 25 - 25 = _____ 4) 5 - 1= ____
5) 13 - 0 = _____ 6) 3 - 1 = ____
7) 9 - 0 = _____ 8) 12 - 12 = ____
9) 17 - 17 = _____ 10) 15 - 0 = ____
B. Solve the following problems.
1) There were 350 people in one train and 756 people in another. How many people were there in both trains?
2) There are 288 apples in one basket and 174 apples in another basket. How many apples are there in both baskets?
3) In a factory, 256 male and 412 female workers are working. Find the total workers in the factory?
4) In a library, there are 281 books in Hindi, 454 books in English and 279 books in Maths. How many books are there in the library?
21 / JULY / 2020
MATHEMATICS
(Revision)
Chapter - 2 (Numbers)
Do the following exercises in your Mathematics OCB.
Do the following exercises in your Mathematics OCB.
1. Write in the missing numbers as directed in the brackets.
(a) Count in twos.
521 ___ 525 ___ , ___ 531 ___, ___, ___ 539
521 ___ 525 ___ , ___ 531 ___, ___, ___ 539
875 ___, ___ 890 ___, ___, ___ 910 ___, ____.
420 ___, 440 ___, ____, 470 ____, ____, 500.
(d) Count in reverse.
210 ___, ___, 207 ___, ___, ___, 203 ___, ___.
311 ___, 313 ___, ___, ___, 317 ___, ___, 320
2. Write in the ascending order.
(a) 122, 345, 524, 421, 222
(b) 237, 466, 123, 781, 345
(c) 456, 675, 120, 237, 910
(d) 710, 310, 410, 510, 610
3. Write in the descending order.
(a) 136, 816, 912, 832, 456
(b) 982, 317, 456, 968, 318
(c) 710, 310, 410, 510, 610
(d) 199, 418, 319, 546, 612
20 / JULY / 2020
MATHEMATICS
Chapter - 2 (Numbers)
Do the following exercises in your text book.(Page no. 25)
Ex.2. Write the following in the standard form.
(a) 8 hundreds + 7 tens + 3 ones = _____
(b) 7 hundreds + 8 tens + 9 ones = _____
(c) 2 hundreds + 5 tens + 7 ones = _____
(d) 4 hundreds + 6 tens + 3 ones = _____
(e) 5 hundreds + 0 ten + 6 ones = _____
Ex.3. Write the expended forms of the following numbers.
(a) 129 = ( ) hundreds( ) tens ( ) ones.
(b) 97 = ( ) hundreds( ) tens ( ) ones.
(c) 685 = ( ) hundreds( ) tens ( ) ones.
(d) 625 = ( ) hundreds( ) tens ( ) ones.
(e) 901 = ( ) hundreds( ) tens ( ) ones.
(f) 391 = ( ) hundreds( ) tens ( ) ones.
17 / JULY / 2020
MATHEMATICS
Chapter - 2 (Numbers)
Ex.1. Write the expanded forms of the following in your text book.(Page no.24)
(a) 204 = _____ + _____ + _____
(b) 310 = _____ + _____ + _____
(c) 452 = _____ + _____ + _____
(d) 682 = _____ + _____ + _____
(e) 925 = _____ + _____ + _____
(f) 516 = _____ + _____ + _____
(g) 144 = _____ + _____ + _____
(h) 509 = _____ + _____ + _____
Page no. 25
Ex.1. Write the numbers in the compact form in your text book.
(a) 500 + 8 = _______
(b) 700 + 40 = _______
(c) 400 + 50 + 7 = _______
(d) 300 + 50 + 1 = _______
(e) 600 + 7 = _______
(f) 100 + 20 + 4 = _______
(g) 900 + 80 + 6 = _______
(h) 800 + 90 + 5 = _______
(i) 800 + 60 + 2 = _______
(j) 500 + 1 = _______
16 / JULY / 2020
MATHEMATICS
Chapter - 2 (Numbers)
Ex.2. Complete the following table with respect to the circled digits in your text book. (Page no. 22)
Ex.3 Fill in the blanks in your text book.(Page no. 23)
(a) In 735, the place value of 7 is ________
the face value of 7 is ________
(b) In 582, the place value of 8 is ________
the face value of 8 is _________
(c) In 678, the place value of 7 is _________
the face value of 7 is _________
(d) In 456, the place value of 5 is _________
the face value of 5 is __________
(e) In 749, the place value of 9 is _________
the face value of 9 is __________
15 / JULY / 2020
MATHEMATICS
Chapter - 2 (Numbers)
Ex.1. Write the place value of the circled digit in each of the following in your text book (Page no.21)
Ex.1. Write the place value of the circled digit in each of the following in your text book (Page no.22)
MATHEMATICS
Chapter - 2 (Numbers)
Do the following exercises in your text book (Page no.20)
Ex.1. Write in ascending order.
(a) 698, 236, 125, 447
(b) 237, 872, 143, 662
(c) 334, 122, 568, 22
Ex.2. Write in descending order.
(a) 136, 816, 912, 832, 456
(b) 982, 317, 456, 968, 318
(c) 199, 418, 319, 546, 612
Ex.3. Circle the greatest number.
(a) 547, 643, 447, 400
(b) 453, 462, 475, 443
(c) 639, 634, 637, 600
(d) 951, 552, 955, 900
Ex.4. Circle the smallest number.
(a) 248, 163, 377, 401
(b) 657, 648, 632, 640
(c) 552, 551, 556, 550
(d) 451, 459, 450, 460
13 / JULY / 2020
MATHEMATICS
Chapter - 2 (Numbers)
3. Fill in the blanks in your text book. (Page no.17)
(a) ____ comes between 300 and 302.
(b) ____ comes between 444 and 446.
(c) ____ comes after 599.
(d) ____ comes before 900.
(e) ____ comes after 198.
(f) ____ comes before 279.
(g) ____ comes before 765.
(h) ____ comes after 894.
(i) 397 comes between____ and _____.
(j) 998 comes between ____ and 999.
4. Put the correct sign > (greater than), < (less than) and = (equal to) in text book. (page no.19)
(a) 100 ( ) 121 (b) 555 ( ) 558
(c) 580 ( ) 579 (d) 980 ( ) 980
(e) 900 ( ) 900 (f) 763 ( ) 760
(g) 236 ( ) 49 (h) 809 ( ) 809
(i) 459 ( ) 464 (j) 674 ( ) 690
10 / JULY / 2020
MATHEMATICS
Chapter - 2 (Numbers)
1. Write the number that comes before or after the given numbers in your text book.(page no. 16)
a) ______ 96 b) ______ 68 c) 79 _____
d) 65 _____ e) ______ 87 f) _____ 78
g) 67 _____ h) 86 _____ i) _____ 82
j) _____ 88 k) 91 ______ l) 98 ____
2. Write the number which comes between the two given numbers.
a) 523 _____ 525 b) 911 _____ 913
c) 649 _____ 651 d) 586 _____ 588
e) 238 _____ 240 f) 761 _____ 763
g) 489 _____ 491 h) 835 _____ 837
09 / JULY / 2020
MATHEMATICS
Chapter - 2 (Numbers)
3. Complete the following by filling in the missing numbers in your text book (page no. 13)
101
|
104
|
108
|
110
| ||||||
113
|
115
|
118
|
120
| ||||||
121
|
124
|
126
| |||||||
131
|
133
|
135
|
138
|
140
| |||||
144
|
146
|
149
| |||||||
153
|
157
|
160
| |||||||
161
|
164
|
166
|
169
| ||||||
171
|
172
|
175
|
178
|
180
| |||||
183
|
186
|
188
| |||||||
191
|
192
|
195
|
199
|
200
| |||||
4. Write the missing numbers as directed in your text book.(page no. 14)
| |||||||||
(a) Count in twos
| |||||||||
541
|
545
|
551
|
559
| ||||||
(b) Count in reverse
| |||||||||
660
|
655
|
652
| |||||||
(c) Count in tens
| |||||||||
770
|
800
|
850
| |||||||
(d) Count in fives
| |||||||||
875
|
890
|
910
| |||||||
(e) Count in tens
| |||||||||
990
|
950
|
900
| |||||||
(f) Count in reverse.
| |||||||||
110
|
107
|
103
| |||||||
(g) Count in forward.
| |||||||||
211
|
214
|
219
| |||||||
(h) Count in forward.
| |||||||||
321
|
325
|
330
| |||||||
(i) Count in reverse.
| |||||||||
440
|
436
|
433
|
08 / JULY / 2020
MATHEMATICS
Chapter - 2 (Numbers)
1. Write the names of the following numbers in your text book (Pg.no. 12)
(a) 342 ____________________________
(b) 590 ____________________________
(c) 432 ____________________________
(d) 168 ____________________________
(e) 962 ____________________________
(f) 503 _____________________________
(g) 431 _____________________________
(h) 608 _____________________________
(I) 295 _____________________________
(j) 588 _____________________________
2. Write the following in figures in your text book. (Pg.no 13)
(a) Three hundreds thirty eight
(b) One hundred forty seven
(c) Seven hundreds sixty six
(d) Three hundreds seventy four
(e) Four hundreds ninety nine
(f) Eight hundreds thirteen
(g) Six hundreds five
(h) Nine hundreds fifty
07 / JULY / 2020
MATHEMATICS
Chapter - 1 (Revision)
Do the following exercises in your text book.
9. Miscellaneous questions.(page no. 7)
4) Put the sign '>' or '<' or '='.
(a) 155 ____ 276
(b) 405 ____ 628
(c) 788 ____ 769
(d) 987 ____ 987
(e) 730 ____ 577
(f) 625 ____ 689
(g) 371 ____ 829
(h) 538 ____ 538
(I) 312 ____ 821
(j) 638 ____ 638
(k) 265 ____ 369
(l) 912 ____ 764
5) Fill in the blanks.
(a) ____ comes between 89 and 91.
(b) ____ comes before 45.
(c) 69 comes before ____.
(d) ____ comes after 57.
(e) 39 comes between ____ and ____.
(f) 26 comes between ____ and ____.
06 / JULY / 2020
MATHEMATICS
Chapter - 1 (Revision)
Do the following exercises in text book.
7) Arrange the following numbers in ascending order. One has been done for you.
(a) 216, 825, 916, 325, 496
Ans: 216, 325, 496, 825, 916
(b) 382, 928, 286, 135, 405
(c) 849, 840, 896, 825, 986
8) Arrange the following numbers in descending order. One has been done for you.
(a) 487, 968, 629, 405, 720
Ans: 968, 720, 629, 487, 405
(b) 215, 316, 480, 680, 209
(c) 712, 628, 782, 639, 750
9) Miscellaneous questions.
1) 71 is greater than____but less than____.
2) 84 is less than____but greater than____.
3) Write in words.
(a) 99 :______________
(b) 43 :_____________
03 / JULY / 2020
MATHEMATICS
Chapter - 1 (Revision)
Page no. 6.
Do the following exercises in your text book.
5. Fill in the blanks.
(a) The number before 41 is ___.
(b) The number after 58 is ___.
(c) The number before 48 is ___.
(d) The number before ___is 16.
(e) 27 is in between ___ and 28.
(f) 98 is in between 97 and ___.
6. Tick (✓) the greatest number and cross (×) the smallest number in each group.
(a) 312, 682, 379, 485, 789
(b) 132, 128, 699, 235, 628
(c) 519, 987, 632, 187, 927
(d) 621, 126, 162, 782, 312
02 / JULY / 2020
MATHEMATICS
Chapter - 1 (Revision)
Page no. 5 and 6.
Do the following exercises in your text book.
1. Write the figures.
a) Seventy seven
b) Three
c) Zero
d) Twenty
e) Thirty eight
f) Nineteen
g) Ninety nine
h) Sixty one
2. Write in words.
a) 37
b) 62
c) 76
d) 63
e) 75
f) 98
3. Write the expanded form.
a) 47 = 40 + 7
b) 98
c) 45
d) 62
e) 33
4. Write in compact form.
a) 90 + 5 = 95
b) 80 + 3 =
c) 30 + 10 =
d) 50 + 4 =
e) 70 + 6 =
01 / JULY / 2020
MATHEMATICS
Chapter - 8 (GEOMETRY)
Revise two dimensional shapes from page no. 76 and 77 and answer the following questions.
1) Which shape has 3 vertices?
Ans.___________
2) Which shape has all 4 sides equal?
Ans.___________
3) Which shape has its opposite side equal?
Ans.___________
4) How many sides does a hexagon have?
Ans.___________
5) Which shape has unequal diagonals?
Ans.___________
6) How many vertices does a rhombus have?
Ans.___________
7) Name two shapes having no sides.
Ans.___________
8) Name two shapes having equal diagonals.
Ans.___________
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