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1 ARCHIVE MATHEMATICS CLASS 1 (JULY AND AUGUST)

                    13 / AUG / 2020                      
 Chapter- 6 
Add the following (Page no. 49)
T
O
T
O
T
O
T
O
34676251
21001220
+
11
+
11
+
20
+
11
T
O
T
O
T
O
T
O
44672571
10021012
+
24
+
10
+
31
+
05


T
O
T
O
T
O
T
O
4
3
4
5
3
2
5
8
1
1
2
0
2
3
1
0
+
0
3
+
0
1
+
0
2
+
2
1
T
O
T
O
T
O
T
O
4
4
9
8
6
6

4
5
1
4
0
0
1
1
2
1
+
3
1
+
0
1
+
0
2
+
2
1

                    11 / AUG / 2020                      
 Chapter- 6 
Add the following (Page no. 47 & 48)
T
O
T
O
T
O
T
O
6
5
5
6
5
4
4
7
+
1
2
+
1
3
+
4
5
+
4
0









T
O
T
O
T
O
T
O
2 
2 
6 
3 
3 
2 
5 
4 
3
6 
2 
2 
3 
2 
1 
4 
+
2 
1 
+
1 
1 
+
1 
1 
+
1 
1 








T
O
T
O
T
O
T
O
 1
 4
2 
2 
0 
1 
3 
1 
 2
2 
2 
0 
2 
2 
3 
1 
+
 3
2 
+
2 
0 
+
6 
5 
+
3 
1 









                    10 / AUG / 2020                      
 Chapter- 6 
Add the following(Page no. 47)
T
O
T
O
T
O
T
O
2
3
2
5
3
7
4
2
+
3
5
+
2
1
+
2
1
+
3
5








T
O
T
O
T
O
T
O
3
1
5
0
8
3
2
4
+
3
1
+
0
2
+
1
3
+
6
9










T
O
T
O
T
O
T
O
2
3
7
4
5
3
8
7
+
1
5
+
1
2
+
2
0
+
0
2









                    07 / AUG / 2020                      
 Chapter- 6 
Addition (Pg. no. 43)
3. Fill in the blanks.
(a) The sum of 3 and 2 is ________.

(b) 4 added to 2 is _________.

(c) 9 plus 3 equals ________.

(d) 7 and 2 together make ______.

(e) 6 increases by 5 is ______.

4. Add the following.
a)
2
+
1
+
4
=
b)
4
+
2
+
2
=
c)
5
+
2
+
1
=
d)
6
+
2
+
4
=
e)
1
+
5
+
3
=
f)
2
+
2
+
3
=
g)
2
+
2
+
2
=
h)
5
+
1
+
4
=
5. Add using number line. (One has been done for you)
a) 4 + 4   = ____
b) 4 + 2 + 3  = _____
c) 4 + 3 = _____
d) 6 + 2 + 1 = _____
e) 3 + 4  = _____

                    06 / AUG / 2020                      
 Chapter- 6 
Addition (Pg. no. 43)
1. Add by counting forward.
2. Add the following.
(a)
4
+
0
=
(b)
6
+
4
=
(c)
8
+
2
=
(d)
9
+
7
=
(e)
6
+
7
=
(f)
2
+
6
=
(g)
5
+
4
=
(h)
4
+
3
=
(i)
5
+
9
=
(j)
1
+
8
=

                    05 / AUG / 2020                      
Chapter- 5 
(Place Value and Face value)
 1. Write the compact form in your text book. Page N.42 
(m)
70
+
6
=
(n)
60
+
2
=
(o)
00
+
8
=
(p)
00
+
1
=
(q)
20
+
2
=
(r)
60
+
6
=
(s)
50
+
7
=
(t)
60
+
9
=
(u)
40
+
4
=
(v)
30
+
3
=
(w)
20
+
7
=
(y)
30
+
9
=


                    04 / AUG / 2020                      
Chapter- 5 
(Place Value and Face value)
1. Write the compact form in your text book. Page N.42
a)
20
+
6
=
b)
30
+
6
=
c)
60
+
8
=
d)
30
+
8
=
e)
20
+
3
=
f)
40
+
7
=
g)
50
+
0
=
h)
00
+
2
=
i)
10
+
7
=
j)
60
+
4
=
k)
80
+
8
=
l)
50
+
2
=

                    31 / JULY / 2020                      
Chapter- 5 
(Place Value and Face value)
Write the numbers given below in expanded form in text book page no. 41. (One has been done for you)

a) 82 = 80 + 2                           b) 98 = _____ + ______

c) 56 = _____ + ______           d) 67 = _____ + ______   

e) 88 = _____ + ______            f) 73 = _____ + ______

g) 55 = _____ + ______           h) 25 = _____ + ______   

i) 24 = _____ + ______              j) 78 = _____ + ______

k) 86 = _____ + ______             l) 90 = _____ + ______   

m) 72 = _____ + ______           n) 36 = _____ + ______

o) 59 = _____ + ______            p) 95 = _____ + ______  

                    30 / JULY / 2020                      
Chapter- 5 
(Place Value and Face value)
Numbers showing on spike abacus helps to understand the number and its place value. Spike abacus is very helpful to understand the concept of magnitude and name of a number. We know that the spike-abacus represents the number of multi-digits where the digits are represented by the spikes of the abacus.

The spikes from right to left represent the places of the place values of the digits in increasing order i.e., 1, 10, 100, ………. etc.

These places are denoted by O (unit or ones), T (tens), H (hundreds), Th (thousands), H th (hundred thousands) and so on.............
From the above abacus we can count the beads from right to left and then write the exact number i.e., 643.
Now watch the video
Assignment:
Do the exercise given in the text book page no. 40 in the text book.

                    29 / JULY / 2020                      
Chapter- 5 
(Place Value and Face value)
Do in your Maths ex-book (Page no. 38)
1. Write the face value and place value of the underlined digits in the following numbers.
Number
Face value
Place value
39
41
32
26
29
34
33
62
43
52
20
35
63
76
62
54
16
75

                    28 / JULY / 2020                      
Chapter- 5 
(Place Value and Face value)
PLACE VALUE
In math, every digit in a number has a place value. 
Place value can be defined as the value represented by a digit in a number on the basis of its position in the number. 
Here’s an example showing the relationship between the place or position and the place value of the digits in a number. 
In 548, 
5 is in hundreds place and its place value is 500,
4 is in tens place and its place value is 40,
8 is in ones place and its place value is 8.

FACE VALUE
Face value of a digit in a number is the digit itself.
More clearly, face value of a digit always remains the same irrespective of the position where it is located.

For example,
In 25486, the face value of 5 is 5. 
Note:
1. For a digit in ones place, place value = face value
2. Place value of a digit  = face value x value of its place 
3.The place value and face value of zero is always zero

Now watch the video

Assignments:
Study and learn the explained above.

                    27 / JULY / 2020                      
Chapter - 4 (Comparison numbers)
(Revision)
Watch the video and do the following in your Maths ex-book (Page no. 36).
4. Arrange the numbers in descending order and write the greatest number of each group in the box.

(a) 37, 57, 47, 27, 97 _______________ (    )

(b) 99, 61, 21, 36, 85 ____________       (    )

(c) 29, 35, 49, 52, 90 ___________         (    )


5. Arrange the numbers in ascending order and write the smallest number of each group in the box.

(a) 11, 90, 65, 57, 22____________        (    )

(b) 32, 50, 75, 18, 24 ___________        (    )

(c) 89, 43, 24, 37, 78 _____________    (    )
FUN ACTIVITY
Match the correct answers.
2 tens 7 ones
34
3 tens 4 ones
40
7 tens 3 ones
55
6 tens 8 ones
27
1 ten 1 one
91
8 tens 0 ones
09
5 tens 5 ones
11
0 tens 9 ones
68
4 tens 0 ones
80
9 tens 1 one
73


                    24 / JULY / 2020                      
Chapter - 4 (Comparison numbers)
(Revision)

Watch these video to help you remember better.
BEFORE NUMBERS:-
AFTER NUMBERS:-

BEFORE, AFTER AND BETWEEN


Now complete these exercises below.

                    23 / JULY / 2020                      
Chapter - 4 (Comparison numbers)
(Revision)


                    22 / JULY / 2020                      
Chapter - 4 (Comparison numbers)
(Revision)
                    21 / JULY / 2020                      
Chapter - 4 (Comparison numbers)
(Revision)

                    20 / JULY / 2020                      
Chapter - 4 (Comparison numbers)
(Revision)
Assignment:


(Page no. 30) 
Read chapter 4 and understand it.

                    17 / JULY / 2020                      
Chapter - 4 (Comparison numbers)
(Revision)

Assignment: (Page no. 29) do exercise No 1 and 2 in your text book)

                    16 / JULY / 2020                      
Chapter - 4 (Comparison numbers)
(Revision)

Assignment: (Page no. 28) do exercise No 1 and 2 in your text book)


                    15 / JULY / 2020                      
Chapter - 4 (Comparison numbers)
(Revision)

Assignment: (Page no. 27) do exercise No 1 in your text  book)


                    14 / JULY / 2020                      
Chapter - 4 (Comparison numbers)
(Revision)
Assignment: (Page no. 26) Do exercise No 1 in text  book)

                    13 / JULY / 2020                      
Chapter - 4 (Comparison numbers)
(Revision)

Assignment: (Page no. 25) Do exercise No .3,4 and 5 in text  book)

                    10 / JULY / 2020                      
Chapter - 4 (Comparison numbers)
(Revision)
Assignment:-
(Page no. 24) do exercise No .1 and 2 in text book.


                    09 / JULY / 2020                      
Chapter - 4 (Comparison numbers)
(Revision)

Assignment
Read chapter- 4 and understand it. (Page no. 23 )

                    08 / JULY / 2020                      
Chapter - 4 (Comparison numbers)
(Revision)

Assignment:-(Page no. 23) Do exercise No. 1 in text book.

                    07 / JULY / 2020                      
Chapter - 4 (Comparison numbers)
(Revision)


Assignment:
(Page no. 22) Read chapter - 4 and understand it.

                    06 / JULY / 2020                      
Chapter - 4 (Comparison numbers)
(Revision)

Assignment:
Read chapter - 4  and do exercise No.1 in text book. 
(Page no. 21) Do exercise No.1 in text book.

                    03 / JULY / 2020                      
Chapter - 3 (Ordinal numbers)
(Revision)
Assignment: (Page no. 20) Do exercise No.5 in text book.

                    02 / JULY / 2020                      
Chapter - 3 (Ordinal numbers)
(Revision)
Assignment:(Page no. 19)
Do exercise No .1 to 4 in text book.


                    01 / JULY / 2020                      
Chapter - 3 (Ordinal numbers)
(Revision)

Assignment:
Read chapter - 3 and understand it.

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