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(1stMethod)

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10

1 9

10

2 8

10

3 7

10

4 6

10

5 5

Big Friend

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Move up 3, move up 8, how to move?Ready.

First, move up 3.

Move up 8, not enough beads.

How to do it?

Think. Who is the big friend of 8? Its 2.

So, move down 2 at ones and carry 1 at tens.

Equals 11.

Move up 3, move up 8

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Move up 4, move up 7, how to move?Ready.

First, move up 4.

Move up 7, not enough beads.

How to do it?

Think. Who is the big friend of 7? Its 3So, move down 3 at ones and carry 1 at tens.

Equals 11.

Move up 4, move up 7

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Move up 7, move up 5

Move up 7, move up 5, how to move?Ready.

First, move up 7.

Move up 5, not enough beads.

How to do it?

Think. Who is the big friend of 5? Its 5.So, move down 5 at ones and carry 1 at tens.

Equals 12.

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2 + 8, how to do it?Ready.

First, 2 up 2.

Plus 8, up 8.

Not enough beads. How to do it?

Think. Who is the big friend of 8? Its 2.So, down 2 at ones and carry 1 at tens.

Equals 10.

2 + 8 =

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Addition with carrying (1st Method)

8 + 7 =

8 + 7, how to do it?

Ready.

First, 8 up 8.

Plus 7,up 7.

Not enough beads. How to do it?

Think. Who is the big friend of 7? Its 3.

So, down 3 at ones and carry 1 at tens.

Equals 15.

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7 + 9, how to do it?Ready.

First, 7 up 7.

Plus 9, up 9.

Not enough beads at ones. How to do it?

Think. Who is the big friend of 9? Its 1.So, down 1 at ones and carry 1 at tens.

Equals 16.

7 + 9 =

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14 + 6, how to do it?Ready.

First, 14 up 14.

Plus 6, up 6 at ones.

Not enough beads. How to do it?

Think. Who is the big friend of 6? Its 4.So, down 4 at ones and carry 1 at tens.

Equals 20.

14 + 6 =

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8 + 17 =

8 + 17, how to do it?Ready.

First, 8 up 8.

Plus 17, up 1 at tens, up 7 at ones.

Not enough beads. How to do it?

Think. Who is the big friend of 7? Its 3.So, down 3 at ones and carry 1 at tens.

Equals 25.

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16 + 25 =

16 + 25, how to do it?Ready.

First, 16 up 16.

Plus 25, up 2 at tens, up 5 at ones.

Not enough beads. How to do it?

Think. Who is the big friend of 5? Its 5.So, down 5 at ones and carry 1 at tens.

Equals 41.

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54 + 27 =

54 + 27, how to do it?Ready.

First, 54 up 54.

Plus 27, up 2 at tens, up 7 at ones.

Not enough beads. How to do it?

Think. Who is the big friend of 7? Its 3.So, down 3 at ones and carry 1 at tens.

Equals 81.

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Exercise 1

1. 2 + 9 =

2. 4 + 8 =

3. 6 + 9 =

4. 7 + 8 =

5. 8 + 5 =

6. 9 + 15 =

7. 13 + 19 =

8. 27 + 14 =

9. 28 + 18 =

10. 29 + 27 =

11

12

15

15

13

24

32

41

46

56

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39 + 18 =

39 + 18, how to do it?Ready.

First, 39 up 39.

Plus 18, up 1 at tens, up 8 at ones.Not enough beads. How to do it?

Think. Who is the big friend of 8? Its 2.

So, down 2 at ones and carry 1 at tens.

(Up 5, down 4 at tens)

Equals 57.

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16 + 45 =

16 + 45, how to do it?

Ready.

First, 16 up 16.

Plus 45, up 4 at tens, (Up 5 down 1)up 5 at ones.

Not enough beads. How to do it?

Think. Who is the big friend of 5? Its 5.So, down 5 at ones and carry 1 at tens.

Equals 61.

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Exercise 2

1. 17 + 3 =

2. 24 + 16 =

3. 19 + 21 =

4. 3 + 18 =

5. 4 + 28 =

6. 8 + 15 =

7. 12 + 29 =

8. 24 + 17 =

9. 37 + 54 =

10. 43 + 57 =

20

40

40

21

32

23

41

41

91

100

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Exercise 3

1. 22 + 86 =

2. 85 + 24 =

3. 54 + 55 =

4. 21 + 90 =

5. 42 + 76 =

6. 49 + 61 =

7. 78 + 43 =

8. 84 + 38 =

9. 24 + 89 =

10. 63 + 39 =

108

109

109

111

118

110

121

122

113

102

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Exercise 4

1. 34 + 9 + 8 =2. 27 + 5 + 9 =

3. 68 + 8 + 4 =

4. 79 + 7 2 =5. 39 + 5 + 8 =

6. 48 + 7 2 =7. 26 2 + 6 =8. 58 4 + 8 =

5141

80

84

52

5330

62

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Exercise 5

10050

71

100

100

6050

91

1. 71 + 29 =2. 34 + 16 =

3. 24 + 47 =

4. 87 + 13 =

5. 45 + 55 =

6. 28 + 32 =7. 23 + 27 =

8. 76 + 15 =

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Revision Exercise 11. 9 + 1 =2. 8 + 2 =

3. 7 + 3 =4. 6 + 4 =

5. 5 + 5 =

..\carry ex-1.ppt

http://localhost/var/www/apps/conversion/tmp/carry%20ex-1.ppthttp://localhost/var/www/apps/conversion/tmp/carry%20ex-1.ppthttp://localhost/var/www/apps/conversion/tmp/carry%20ex-1.ppthttp://localhost/var/www/apps/conversion/tmp/carry%20ex-1.ppthttp://localhost/var/www/apps/conversion/tmp/carry%20ex-1.ppthttp://localhost/var/www/apps/conversion/tmp/carry%20ex-1.ppt

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Revision Exercise 2

1. 99 + 1 =2. 999 + 1 =3. 88 + 12 =

4. 888 + 112 =5. 77 + 23 =6. 777 + 223 =

7. 66 + 34 =8. 666 + 334 =

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Revision Exercise 31. 7 + 5 =

2. 9 + 6 =3. 8 + 7 =4. 5 + 5 =5. 54 + 6 =6. 58 + 29 =

7. 15 + 89 =8. 19 + 28 =

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Revision Exercise 41. 2 + 5 + 60 + 4 =

2. 9 + 10 + 4 + 5 =3. 70 + 6 + 2 + 7 =4. 5 + 2 + 39 + 3 =5. 2 + 51 + 6 + 6 =6. 58 + 29 + 75 + 2 =

7. 5 + 15 +67 +89 =8. 19 + 80 + 28 + 91 =

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Revision Exercise 5

1. 21 + 93 + 96 =

2. 32 + 78 + 91 =

3. 19 + 9 + 9 =

4. 28 + 63 - 20 =

5. 62 + 29 - 70 =

6. 18 + 27 + 80 =

7. 29 + 57 - 65 =

8. 27 + 68 - 70 =

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Revision Exercise 6

1. 111 + 219 =2. 128 + 212 =

3. 117 + 123 =4. 158 + 132 =

5. 214 + 7 =

6. 64 + 218 =

7. 184 + 145 =

8. 235 + 814 =

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