Class 1

Subject  - Maths

Chapter - 6.   Subtraction within 10.

 

Date - 22.07.2021

 

Exercise 6.A

 

3. Subtract the following.

 

6 - 4 = 2

9 - 9 = 0

8 - 6 = 2

8 - 7 = 1

5 - 2 = 3

7 - 5 = 2

7 - 6 = 1

6 - 0 = 6

8 - 0 = 8

9 - 8 =1

7 - 0 = 7

10 - 1 = 9

7 - 3 = 4

9 - 0 = 9

10 - 5 = 5

9 - 2 = 7

9 - 3 = 6

6 - 2 = 4

4 - 1 =3

6 - 1 =5

5 - 0 = 5

10 - 3 = 7

10 - 4 = 6

5 -  5 = 0

10 - 6 = 4

10 - 7 = 3

9 - 5 = 4

 

 

Exercise 6C

Subtract the following.

 6

-2

----

 4

----

 

 8

-3

----

 5

----

 

 9

-8

----

 1

----

 

 7

-2

----

 5

----

 

 

 8

-7

----

  1

----

 

 9

-4

----

 5

----

 

 7

-1

----

 6

----

 

10

-1

----

 9

----

 

 6

-3

----

 3

----

 

 5

-4

-----

 1

----

 

 3

-3

----

  0

-----

 

 3

-2

-----

  1

------

 

 7

-0

-----

  7

----

 

 9

-9

----

 0

----

 

 9

-0

----

  9

----

 

 6

-0

----

 6

----

 

 5

-2

-----

  3

-----

 

10

-5

-----

  5

-----

 

 8

-2

----

 6

-----

 

 5

-3

----

 2

-----

 

 

Number stories on subtraction. ( Pg 77)

 

1. 6 bananas were  in the basket . Neha took away 2 of them .How many bananas were left in the basket?

Ans.6 - 2 = 4

 

4 bananas were  left in the basket.

 

2. 7 toy bikes were in the box . Rita took away 5 toy bikes .How many toy bikes were left in the box?

Ans. 7 - 5 = 2

 

2 toy bikes were left in the box

 

3. 8 children were playing. 3 of them went away. How many children were left playing?

Ans. 8 - 3 = 5

 

5 children were  left playing.

 

 

4. 9 rabbits were eating carrots. 3 rabbits ran away. How many rabbits were left eating carrots?

Ans. 9 - 3 = 6

 

6 rabbits were left eating .

 

 

Chapter assessment ( pg 78 )

                  (Answers)

 

1. Fill in the boxes.

 a.1

b.5

c.2

d.2

e.1

f.4

g.7

 

2. 8  - 5 = 3

 

3 candles were left burning.

 

3. 5 - 4 = 1

 

Mental maths. ( Answers)

 

1.0

2.5

3.1

4.4

 

H.W

Write the given notes in Maths C.W copy .

 

Complete  pg 70,71, 73, 76 and 78  in maths book.

Class 1

Subject - Maths

Chapter - 5.    Addition within 10.

 

Date - 28.06.21

 

Exercise 5 A.

3.Add the following.

 

8+1=9 

8+2=10

1+7=8

1+9=10

2+6=8

5+4=9

3+3=6

3+1=4

5+3=8

7+3=10

6+3=9

3+4=7

2+2=4

7+2=9

1+3=4

4+4=8

4+3=7

2+4=6

5+5=10

1+6=7

1+5=6

1+8=9

5+2=7

6+4=10

 

Exercise 5B.

2.Draw lines and add the following.

    4       //// 

+  3.      ///

------

   7

-------

 

  4

+1

-----

   5

-----

 

  2

+5

------

  7

------

 

  5

+1

------

  6

-----

 

  7

+3

----

 10

-----

 

  1

+8

-----

 9

-----

 

  3

+2

-----

  5

-----

 

  5

+5

------

  10

------

 

  6

+4

------

10

------

 

  3

+3

-----

 6

-----

 

 

Exercise 5C.

Add the following.

 

  0

+1

----

  1

----

 

  0

+3

-----

  3

----

 

   7

+0

-----

  7

-----

 

  0

+5

-----

  5

-----

 

  0

+6

-----

  6

-----

 

  2

+0

----

  2

-----

 

  0

+8

-----

   8

------

 

  4

+0

-----

   4

-----

 

Exercise 5E.   (Pg 67)

 

Look at the pictures and answer the following questions.

 

1.5 birds were sitting on a tree.2more birds sit on it.How many birds were there on the tree now?

 

Ans. 5+2= 7

There were 7 birds on the tree.

 

2. There were 5 goats in the field.  3 more goats joined them.  How many goats were there altogether?

 

Ans .    5+3= 8

There were 8  goats  altogether.

 

3. 5 blocks were on the table . Vijay put 2  more blocks on the table .  How many blocks were there on the table?

 

Ans.  5+ 2= 7

7 blocks were there on the table.

 

4.3 children were  swimming in a pool . 2  more children dived into the pool . How many children were  swimming then?

 

Ans.  3+ 2 = 5

5 children were  swimming in the pool.

 

 Chapter Assessment

 

1.Add :

a.6+1=7        b.5+2=7.      c.3+0=3

 

d.4+4=8.       e.1+9=10.     f.3+4=7

 

2.Add vertically.

a.5

  +4

------

    9

------

 

b.4

  +3

------

   7

----

 

c.7

 +2

-----

 9

----

 

d.5

 +0

-----

  5

-----

 

e.7

 +3

-----

 10

-----

 

f.2

 +6

-----

   8

------

 

 

H.W

Write the given notes in Maths C.W copy.

Do pg 62, 64 and 66 in the book.

Class - 1

Subject - Maths

Chapter - 4 . Numbers up to 100.

 

Date -  12/05/21

 

Exercise  4.A

3. Write the number name

25 - Twenty - five

75 - Seventy  - five

86 - Eighty - six

74 - Seventy - four

83 - Eighty - three

60 - Sixty

78 - Seventy - eight

39 - Thirty - nine

99 - Ninety - nine

 

4.Write the numeral.

Thirty - eight - 38

Eighty - five   -   85

Seventy - two - 72

Sixty - three - 63

Hundred - 100

Fifty - eight - 58

Seventy - seven - 77

Eighty - one - 81

Sixty - nine  - 69

 

5.Write the number that comes

just before

51  52

66  67

84  85

34  35

 

between

45 46 47

73 74 75

66 67 68

94 95 96

 

just after

52.  53

73   74

64   65

95.  96

 

Exercise 4. C

1.Write each of the following in expanded form.

67 = 6 tens + 7 ones = 60+7

74 =7 tens + 4 ones = 70+4

98 = 9 tens + 8 ones = 90+8

71 = 7 tens + 1 one = 70+1

 

2.Write in standard form.

1 ten + 6 ones = 16

9 tens + 9 ones = 99

7 tens + 1one = 71

5 tens + 0 ones = 50

 

Exercise 4.D

1.Fill in the box with the correct symbol >, < or =.

77 > 76

45 = 45

95 = 95

84 > 48

48 < 67

82 = 82

 

2.Write the greatest and the smallest numbers in each set of numbers . ( Write the questions from pg 55 )

 

Ans. Smallest.               Greatest

        46.                                92

        30.                                90

 

3.Arrange the following numbers in ascending order.

70, 36, 50, 69, 43 __ 36, 43, 50, 69, 70

27, 74, 97, 82, 61 __ 24, 61, 74, 82, 97

 

4.Arrange the following numbers in descending order.

50, 34, 63, 28, 49 _ 63, 50, 49, 34, 28

76, 80, 91, 68, 52 _ 91, 80, 76, 68, 52

 

Exercise 4E.

1.Count forwards.

45, 46, 47, 48, 49, 50, 51, 52

 

32, 33, 34, 35, 36, 37, 38, 39

 

2.Count backwards.

59, 58, 57, 56, 55, 54, 53, 52

 

85, 84, 83, 82, 81, 80, 79, 78

 

3.Fill in the missing numbers by counting in

2s - 2, 4, 6, 8, 10, 12,14, 16, 18, 20

 

3s - 6, 9, 12, 15, 18, 21, 24, 27, 30

 

5s - 60, 65, 70, 75, 80, 85, 90, 95, 100

 

10s - 10, 20, 30, 40, 50, 60, 70, 80, 90, 100

 

Exercise 4F

1.Write the smaller 2-digit numbers formed using the following digits. ( Repetition is not allowed.)

a .1,6= 16

b .9,4 = 49

c.  3,5 = 35

 

2.Write the greater 2 - digit numbers formed by using the following digits . ( Repetition is not allowed.)

 

a.4,3 = 43

b.7,9 = 97

c.3,1 = 31

 

3. Write all the numbers that can be formed using the following digits. The digits can be repeated .

a.5,4 =44, 45, 54, 55

b.7,0 = 70, 77

 

4.Write the greatest and smallest numbers that can be formed using the following digits. The digits can be repeated.

               

                    Greatest.         Smallest

a.6,9.               99.                  66

b.1,8.               88.                  11

 

 

Chapter Assessment.    ( Answers)

 Write the questions from pg 58 and 59.

1.

  1. Fifty- four

  2. Seventy - nine

  3. Twenty - nine

  4. Ninety - five

 

2.

a.64

b.92

c.57

d.41

3.

     a.47

     b.57

     c.90

 

4.

a.50, 49, 48, 47, 46, 45, 44, 43

b.78, 77, 76, 75, 74, 73, 72, 71

c.99, 98, 97, 96, 95, 94, 93, 92

 

5.

      a.False

      b.True

      c.False

 

7.

a.39, 42, 63, 67

b.12, 45, 52, 53

 

8.

a.29, 39, 56, 88

b.24, 32, 59, 78

 

9.87

 

10.10

 

11.67

 

12.99

 

 

Mental maths.     (Answers pg 60)

 

1.43

 

2.9+5

 

3.99

 

4.89

 

5.41

 

H.W

Write the given notes in maths C.W  copy .

 

Do pg 53  exercise 4B and chapter assessment question 6 in Math H.W copy.

Class - 1

Subject - Maths

Chapter - 3 . Numbers up to 50.

 

Date - 26/04/2021

 

Exercise 3. A

 

5. Write the numerals for the following.

 

3 tens and 8 ones = 38

2 tens and 5 ones = 25

3 tens and 2 ones = 32

1 ten and  9 ones = 19

4 tens and 1 one =  41

4 tens and 0 ones = 40

 

6. Match the numbers with their number names.

31 - Thirty  - one

29 - Twenty - nine

40 - Forty

45 - Forty - five

23 - Twenty - three

38 - Thirty - eight

 

7. Write the numerals for the following.

Twenty - seven   - 27

Thirty - five.        -  35

Forty - nine.        - 49

Thirty - eight       - 38

Forty - two          - 42

Fifty                    - 50

 

8.Fill in the boxes with the correct digits .

34 = 3  tens and 4 ones

40 = 4 tens and 0 ones

21 = 2 tens and 1 one

29 = 2 tens and 9 ones

58 = 5 tens and 8 ones

15 = 1 ten and  5 ones

 

Exercise 3.B

Write the number that comes

just before    between

        

46   47.         48  49  50

28.  29.          36  37  38

36   37.          42  43  44

39.  40.          33  34  35

12   13.          37  38  39

 

just after

 

45 46

26 27

35 36

20 21

39 40

 

Exercise 3.C

1.Write >, < or = symbol in the  circles.

17   <  49

 

24   <  25

 

10   <   40

 

29   >  27

 

37   <   49

 

36  <   39

 

26  =   26

 

42  >   24

 

30  <   31

 

2.Tick  (✓) the smallest number and cross (×) the greatest number in each row. ( Write the questions from pg 42)

 

Answers

 

Smallest.         Greatest

 

20.                    50

22.                    50

24.                     48

 

Exercise 3.D

1.Arrange the following numbers in ascending order.

 

22, 46, 39, 25, 43

Ans.22, 25, 39, 43, 46

 

24, 40, 49, 30, 38

Ans.24, 30, 38, 40, 49

 

42, 48, 25, 16, 30

Ans.16, 25, 30, 42, 48

 

2.Arrange the following numbers in descending order.

23, 15, 37, 32, 26

Ans.37,32, 26, 23, 15

 

27, 37, 50, 41, 25

Ans.50, 41, 37, 27, 25

 

24, 48, 30 , 13, 28

Ans.48, 30, 28, 24, 13

 

Chapter Assessment.   ( Answers )

Write the questions from pg 44.

 

1.Write the numerals.

a.22

b.40

c.36

d.49

 

2.Write the number names.

a.Forty - three

b.Thirty - eight

c.Twenty - nine

d.Twenty - five

 

3.Write the number.

a.24

b.50

c.12

d.33

 

4.Write >, < or = in the box.

 

a.24 >14

 

b.36 = 36

 

c.9  <  25

 

d.28 = 28

 

e.40  > 30

 

f.37 > 29

 

5.Arrange the numbers in ascending and descending order.

 

Ascending order - 20, 25, 30, 37, 39, 42, 48

 

Descending order - 48, 42, 39, 37, 30, 25, 20

 

H.W

Write the given notes in maths copy.

 

Do pg 44 question 6 in the book.

Class - 1

Subject - Maths

Chapter - 3 . Numbers up to 50.

 

Date - 26/04/2021

 

Exercise 3. A

 

5. Write the numerals for the following.

 

3 tens and 8 ones = 38

2 tens and 5 ones = 25

3 tens and 2 ones = 32

1 ten and  9 ones = 19

4 tens and 1 one =  41

4 tens and 0 ones = 40

 

6. Match the numbers with their number names.

31 - Thirty  - one

29 - Twenty - nine

40 - Forty

45 - Forty - five

23 - Twenty - three

38 - Thirty - eight

 

7. Write the numerals for the following.

Twenty - seven   - 27

Thirty - five.        -  35

Forty - nine.        - 49

Thirty - eight       - 38

Forty - two          - 42

Fifty                    - 50

 

8.Fill in the boxes with the correct digits .

34 = 3  tens and 4 ones

40 = 4 tens and 0 ones

21 = 2 tens and 1 one

29 = 2 tens and 9 ones

58 = 5 tens and 8 ones

15 = 1 ten and  5 ones

 

Exercise 3.B

Write the number that comes

just before    between

        

46   47.         48  49  50

28.  29.          36  37  38

36   37.          42  43  44

39.  40.          33  34  35

12   13.          37  38  39

 

just after

 

45 46

26 27

35 36

20 21

39 40

 

Exercise 3.C

1.Write >, < or = symbol in the  circles.

17   <  49

 

24   <  25

 

10   <   40

 

29   >  27

 

37   <   49

 

36  <   39

 

26  =   26

 

42  >   24

 

30  <   31

 

2.Tick  (✓) the smallest number and cross (×) the greatest number in each row. ( Write the questions from pg 42)

 

Answers

 

Smallest.         Greatest

 

20.                    50

22.                    50

24.                     48

 

Exercise 3.D

1.Arrange the following numbers in ascending order.

 

22, 46, 39, 25, 43

Ans.22, 25, 39, 43, 46

 

24, 40, 49, 30, 38

Ans.24, 30, 38, 40, 49

 

42, 48, 25, 16, 30

Ans.16, 25, 30, 42, 48

 

2.Arrange the following numbers in descending order.

23, 15, 37, 32, 26

Ans.37,32, 26, 23, 15

 

27, 37, 50, 41, 25

Ans.50, 41, 37, 27, 25

 

24, 48, 30 , 13, 28

Ans.48, 30, 28, 24, 13

 

Chapter Assessment.   ( Answers )

Write the questions from pg 44.

 

1.Write the numerals.

a.22

b.40

c.36

d.49

 

2.Write the number names.

a.Forty - three

b.Thirty - eight

c.Twenty - nine

d.Twenty - five

 

3.Write the number.

a.24

b.50

c.12

d.33

 

4.Write >, < or = in the box.

 

a.24 >14

 

b.36 = 36

 

c.9  <  25

 

d.28 = 28

 

e.40  > 30

 

f.37 > 29

 

5.Arrange the numbers in ascending and descending order.

 

Ascending order - 20, 25, 30, 37, 39, 42, 48

 

Descending order - 48, 42, 39, 37, 30, 25, 20

 

H.W

Write the given notes in maths copy.

 

Do pg 44 question 6 in the book.

Class - 1

Subject - Maths

Chapter - 3 . Numbers up to 50.

 

Date - 26/04/2021

 

Exercise 3. A

 

5. Write the numerals for the following.

 

3 tens and 8 ones = 38

2 tens and 5 ones = 25

3 tens and 2 ones = 32

1 ten and  9 ones = 19

4 tens and 1 one =  41

4 tens and 0 ones = 40

 

6. Match the numbers with their number names.

31 - Thirty  - one

29 - Twenty - nine

40 - Forty

45 - Forty - five

23 - Twenty - three

38 - Thirty - eight

 

7. Write the numerals for the following.

Twenty - seven   - 27

Thirty - five.        -  35

Forty - nine.        - 49

Thirty - eight       - 38

Forty - two          - 42

Fifty                    - 50

 

8.Fill in the boxes with the correct digits .

34 = 3  tens and 4 ones

40 = 4 tens and 0 ones

21 = 2 tens and 1 one

29 = 2 tens and 9 ones

58 = 5 tens and 8 ones

15 = 1 ten and  5 ones

 

Exercise 3.B

Write the number that comes

just before    between

        

46   47.         48  49  50

28.  29.          36  37  38

36   37.          42  43  44

39.  40.          33  34  35

12   13.          37  38  39

 

just after

 

45 46

26 27

35 36

20 21

39 40

 

Exercise 3.C

1.Write >, < or = symbol in the  circles.

17   <  49

 

24   <  25

 

10   <   40

 

29   >  27

 

37   <   49

 

36  <   39

 

26  =   26

 

42  >   24

 

30  <   31

 

2.Tick  (✓) the smallest number and cross (×) the greatest number in each row. ( Write the questions from pg 42)

 

Answers

 

Smallest.         Greatest

 

20.                    50

22.                    50

24.                     48

 

Exercise 3.D

1.Arrange the following numbers in ascending order.

 

22, 46, 39, 25, 43

Ans.22, 25, 39, 43, 46

 

24, 40, 49, 30, 38

Ans.24, 30, 38, 40, 49

 

42, 48, 25, 16, 30

Ans.16, 25, 30, 42, 48

 

2.Arrange the following numbers in descending order.

23, 15, 37, 32, 26

Ans.37,32, 26, 23, 15

 

27, 37, 50, 41, 25

Ans.50, 41, 37, 27, 25

 

24, 48, 30 , 13, 28

Ans.48, 30, 28, 24, 13

 

Chapter Assessment.   ( Answers )

Write the questions from pg 44.

 

1.Write the numerals.

a.22

b.40

c.36

d.49

 

2.Write the number names.

a.Forty - three

b.Thirty - eight

c.Twenty - nine

d.Twenty - five

 

3.Write the number.

a.24

b.50

c.12

d.33

 

4.Write >, < or = in the box.

 

a.24 >14

 

b.36 = 36

 

c.9  <  25

 

d.28 = 28

 

e.40  > 30

 

f.37 > 29

 

5.Arrange the numbers in ascending and descending order.

 

Ascending order - 20, 25, 30, 37, 39, 42, 48

 

Descending order - 48, 42, 39, 37, 30, 25, 20

 

H.W

Write the given notes in maths copy.

 

Do pg 44 question 6 in the book.

Class - 1

Subject - Maths

Chapter - 2.   Numbers from 11 to 20

 

Date - 17/04/2021

 

Exercise 2. A.

1. Write the numbers from 1 to 20.

 

1  2  3  4  5  6  7  8  9  10

 

11 12 13 14 15 16 17 18 19 20

 

2. Write the number that comes

           Before

  1. 19  20

  2. 17 18

  3. 18 19

  4. 11 12

 

Between

  1. 17 18 19

  2. 14 15 16

  3. 18 19 20

  4. 15 16 17

 

After

  1. 12 13

  2. 17 18

  3. 10 11

  4. 14 15

 

 

3.Complete the table.

1.1ten and 2 ones    Twelve    12

 

2.1ten and 0 ones      Ten         10

 

3.1ten and 4 ones      Fourteen  14

 

4.1ten and 9 ones       Nineteen   19

 

 

Exercise 2 .C

 

1.Tick (✓) the smaller number in each set .

 

7   ✓       12

 

14 ✓        16

 

19             8 ✓

 

11✓         13

 

2.Write > , < or =.

 

17  < 19

 

13   < 15

 

18  > 16

 

20  > 18

 

Exercise 2.D

1.Tick (✓) the smallest number in each set.

 

11   8✓    13

 

9    12       5✓

 

17   16      9✓

 

15    10 ✓  13

 

2.Cross  the greatest number in each set .

    (Answers) Write questions from pg 33.

 

1.10

2.15

3. 21

4. 18

 

3.Find and write the smallest and the greatest number from each set.

                        Greatest.         Smallest

8  12  7  14.       14.                      7

 

9   13  6  15.      15.                      6

 

20  15  8  16.     20.                      8

 

Exercise 2.E

1.Arrange the following numbers in ascending order.

 

14, 9, 6, 7, 13

Ans.6, 7, 9, 13, 14

 

8, 15, 10, 18, 12

Ans. 8, 10, 12, 15, 18

 

2.Arrange the following numbers in descending order.

 

13, 19, 6, 18, 15

Ans.19, 18, 15, 13, 6

 

9, 20, 5, 17, 10

Ans. 20, 17, 10, 9, 5

 

Chapter assessment

 

1.Match the following.

12 - Twelve

 

17 - Seventeen

 

20 - Twenty

 

13 - Thirteen

 

16 - Sixteen

 

2.Which number comes just before 17?

Ans. 16

 

3.Which number comes just after 19?

Ans. 20

 

4.Which number comes between 12 and 14?

Ans. 13

 

5.Write the missing numbers.

 

13, 14, 15, 16, 17, 18, 19

 

6.Fill in the blanks.

 

a.1ten and 3 ones  = 13

 

b.1ten and 8 ones  = 18

 

7.In the abacus shown on the right,   Draw the abacus from pg 35.

 

a.how many tens ?

Ans.1 ten

 

b.how many ones ?

Ans.7 ones

 

c.how many in all ?

Ans.17

 

d.Write the number name.

And . Seventeen

 

 

H.W

Write the given notes in maths copy and do exercise 2.B in the book.

Class - 1

Subject - Maths

Chapter - 1.    Numbers up to 10.

 

Date - 08/04/2021

 

Exercise 1  D

 

1. Use the number line to find out the following.

 

The number before:

 

1  is  0

5  is  4

9  is  8

 

 

The number after:

7 is 8

4 is 5

9 is 10

 

The number between:

 

4 and 6 is 5

0 and 2 is 1

2 and 4 is 3

 

2.Write the numbers between :

 

1 and 5  ___ 2, 3, 4

3 and 10 ___ 4, 5, 6, 7, 8, 9

1 and 7. ____ 2, 3, 4, 5, 6

 

Exercise 1. E

 

2.Write =, > or <

 

5  <  7

8  >  4

9  >  6

10  > 3

4  <  7

6  <  9

 

3.Tick the smallest number.

4, 5, 7

Ans 4

 

2, 1, 6

Ans 1

 

0, 2, 6

Ans. 0

 

4, 3, 7

Ans.3

 

4.Tick the largest numbers.

6, 8, 5

Ans. 8

 

3, 2, 4

Ans. 4

 

10, 7, 4

Ans. 10

 

5, 9, 6

Ans. 9

 

8, 1, 9

Ans. 9

 

7, 8, 5

Ans. 8

 

Exercise 1 F

 

1.Write  in increasing order.

 

a.1, 5, 3, 8, 7

Ans.1, 3, 5, 7,8

 

b.4, 9, 6, 1,5

Ans.1, 4, 5, 6,9

 

c.2, 6, 8, 6, 9

Ans.2, 6, 6, 8, 9

 

2.Write in decreasing order.

 

a.2, 5, 8, 1,10

Ans.10, 8, 5, 2, 1

 

b.9, 4, 7, 3, 8

Ans.9, 8, 7, 4, 3

 

c.5, 0, 3, 8, 6

Ans.8, 6, 5, 3, 0

 

Ordinal Numbers

 

First         1st

Second    2nd

Third.       3rd

Fourth      4th

Fifth         5th

Sixth.       6th

Seventh   7th

Eighth      8th

Ninth        9th

Tenth.      10th

 

 

H.W

Do these in maths C.W copy.

 

Complete  Ex- 1A, 1B, 1C, 1G and pg 25 in the maths book.