2 Year 1 Command and Question

8/12/2019 2 Year 1 Command and Question

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Represent numbers 1 ~ 9

How to move up lower beads?Using the thumb

1, move up 1


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3/146



3, move up 3


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4, move up 4


5/146

2 + 1 =

2, move up 2;Plus 1, move up 1;Equals 3.

Direct Addition To 9Listen abacus calculation .


6/146

2 + 5 =

2, move up 2;Plus 5, move up 5;

Equals 7.

Direct Addition To 9 Listen abacus calculation.


7/146

2 + 6 =

2, move up 2;Plus 6 , move up 6 ;Equals 8.



8/146

3 + 1 + 5 =

3, move up 3 ;Plus 1, move up 1;

Plus 5, move up 5 ;Equals 9 .



9/146

DIRECT ADDITION TO 9

1 + 1 =1 + 3 =

2 + 2 =2 + 1 =3 + 1 =1 + 2 =1 + 1 + 2 =2 + 1 + 1 =1 + 2 + 1 =

1 + 1 + 1 + 1 =

1 + 5 =1 + 6 =

1 + 7 =1 + 8 =2 + 6 + 1 =1 + 3 + 5 =1 + 1 + 7 =6 + 1 + 2 =7 + 1 + 1 =

5 + 2 + 2 =


10/146

Answers2443434444

6789999999


11/146


1. 1 + 1 + 1 =2. 5 + 2 + 2 =3. 1 + 7 + 1 =4. 2 + 5 + 1 =5. 3 + 1 + 5 =6. 6 + 1 + 1 =7. 1 + 2 + 1 =

8. 2 + 5 + 2 =


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1. 1 + 5 + 3 =2. 2 + 5 + 2 =3. 1 + 6 + 1 =4. 2 + 1 + 5 =5. 1 + 1 + 7 =6. 1 + 1 + 2 =7. 2 + 1 + 5 + 1=

8. 5 + 1 + 1 + 2 =


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1. 1 + 1 + 5 + 2 =2. 1 + 1 + 1 + 6 =3. 5 + 1 + 1 + 2 =4. 6 + 1 + 1 + 1 =5. 5 + 1 + 2 + 1 =6. 1 + 6 + 1 + 1 =7. 2 + 5 + 1 + 1 =

8. 1 + 1 + 6 + 1 =


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3 1 =

3, move up 3;Minus 1, move down 1;Equals 2.

Direct Subtraction To 9 Listen abacus calculation.


15/146

7 5 =7, move up 7;Minus 5, move down 5;

Equals 2.



16/146

8 6 =

8, move up 8 ;Minus 6, move down 6;Equals 2.



17/146

9 6 2 =9, move up 9 ;Minus 6, move down 6;

Minus 2, move down 2;Equals 1.



18/146

Lets practise

2 - 1 =3 - 1 =2 - 2 =

4 - 1 =6 - 1 =9 - 6 =

8 - 3 =9 - 8 =7 - 6 =

9 - 4 =

6 - 1 - 5 =8 - 1 - 6 =7 - 5 - 1 =

9 - 2 6 =8 - 6 - 1 =7 - 6 - 1 =

9 - 5 - 2 - 1 =8 - 2 - 1 - 5 =7 - 1 - 1 - 5 =

9 - 7 - 1 - 1 =


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Answers1203535115

0111101000


20/146

DIRECT SUBTRACTION TO 9

1. 3 1 1 =2. 8 1 2 =3. 9 6 2 =4. 7 5 1 =5. 4 1 2 =6. 6 1 5 =7. 9 2 1 =

8. 3 1 2 =


21/146


1. 8 1 5 =2. 9 1 5 =3. 7 1 1 =4. 9 3 1 =5. 9 7 1 =6. 7 2 5 =7. 8 6 1 =

8. 4 1 1 =


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1. 4 2 2 =2. 3 1 1 =3. 6 1 5 =4. 7 5 1 =5. 7 6 1 =6. 8 2 1 =7. 8 5 3 =

8. 8 6 1 =


23/146

8 7 + 3 =

8, move up 8 ;Minus 7, move down 7 ;Plus 3, move up 3 ;

Equals 4.

Combination of Direct Subtraction and Direct Addition To 9

Listen abacus calculation.


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4 + 5 8 =

4, move up 4;Plus 5, move up 5;

Minus 8, move down 8;Equals 1.

Combination of Direct Addition and Direct Subtraction To 9

Listen mental arithmetic.


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Lets practise

1 2 3 4 5 6 7 8 9 10

13-2

45-3

22-3

6-14

52-6

27-1

8-71

35-2

9-5-3

7-1-5

12 13 14 15 16 17 18 19 20

125-6

3-21-2

8-67-2

9-2-13

62-3-5

711-6

252-7

8-34-5

36-71

9-55-8

11


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Little Friend

5

1

2

4

3

The little friend of 1 is 4





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Move up 4, move up 4.

Move up 4,Move up 4, insufficient lower beads;How to do it?

Think. Who is the little friend of 4?Its 1.So, move up 5, move down 1.

Its 8.

Pool Five Addition To 9


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Move up 2, move up 3.Move up 2,Move up 3, insufficient lower beads;How to do it?Think. Who is the little friend of 3?Its 2.

So, move up 5, move down 2.Its 5.

Pool Five Addition To 9


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4 + 3 =

4, move up 4, Plus 3, move up 3; insufficient lower beads; How to do it? Think. Who is the little friend of 3? Its 2.

So, move up 5, move down 2. Equals 7.

Pool Five Addition To 9 Listen abacus calculation.


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How to make questions

1 + 4 = 4 + 1 = 2 + 3 = 4 + 2 = 2 + 4 = 4 + 3 =3 + 2 = 4 + 4 =

3 + 3 =3 + 4 =

Pool Five Addition To 9 Exercises.


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3 + 1 + 4 =2 + 2 + 3 =1 + 3 + 3 =3 + 1 + 2 =3 + 3 + 3 =2 + 1 + 3 = 1 + 1 + 1 + 4 =2 + 1 + 2 + 3 =2 + 2 + 2 + 2 =4 + 3 + 1 + 1 =

Pool Five Addition To 9 Lets practise


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POOL FIVE ADDITION TO 9

1 2 3 4 5 6 7 8

112

2

123

3

133

2

121

4

113

2

132

1

121

1

141

1


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1 2 3 4 5 6 7 8

141

3

214

2

312

1

142

2

212

3

311

3

232

2

222

1


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Move up 5, move down 1.Move up 5,Move down 1, insufficient lower beads;How to do it?Think. Who is the little friend of 1?Its 4.


Break Five Subtraction To 9


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Move up 5, move down 2.Move up 5,Move down 2, insufficient lower beads;How to do it?Think. Who is the little friend of 2?Its 3.


Break Five Subtraction To 9


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7 3 =

7, move up 7, Minus 3, move down 3; insufficient lower beads; How to do it? Think. Who is the little friend of 3?

Its 2.So, move up 2, move down 5. Equals 4.

Break Five Subtraction To 9 Listen abacus calculation.


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8 4 =

8, move up 8, Minus 4, move down 4; insufficient lower beads; How to do it? Think. Who is the little friend of 4?

Its 1.So, move up 1, move down 5. Equals 4.

Break Five Subtraction To 9 Listen abacus calculation.


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How to make questions

5 - 1 = 7 - 3 = 5 - 2 = 7 - 4 = 5 - 3 = 8 - 4 =5 - 4 =

6 - 2 =6 - 3 = 6 - 4 =

Break Five Subtraction To 9 Exercises.

k b


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6 - 1 - 1 = 7 1 1 2 = 7 - 2 - 4 = 9 3 1 3 = 9 - 3 - 2 = 8 2 4 1 =6 - 3 - 3 = 5 1 1 1 =8 - 2 - 2 = 9 2 2 4 =7 - 1 - 3 = 7 2 4 1 = 8 - 3 - 4 = 8 3 3 2 =9 - 4 - 1 = 9 1 4 1 =6 - 2 - 3 = 6 3 1 2 =9 - 3 - 2 = 7 4 2 1 =

Break Five Subtraction To 9 Lets practise


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BREAK FIVE SUBTRACTION TO 9

1 2 3 4 5 6 7 8

7-1-1

-1

5-2-1

-2

8-2-2

-2

7-1-3

-1

6-1-1

-3

8-4-3

-1

6-1-2

-2

7-2-2

-1


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1 2 3 4 5 6 7 8

6-2-2

-1

7-3-2

-1

8-1-1

-4

5-1-1

-1

8-3-1

-4

7-1-3

-2

5-1-2

-1

8-2-1

-1


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Move up 3, move up 2, move down 1

move up 3, move up 2; insufficient lower beads; How to do it? Think. Who is the little friend of 2? Its 3.

So, move up 5, move down 3. move down 1; insufficient lower beads. Think. Who is the little friend of 1? Its 4. So, move up 4, move down 5.

Its 4.

Combination of Pool Five Addition And Break Five Subtraction To 9


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Move up 6, move down 3, move up 4

move up 6, move down 3; insufficient lower beads; How to do it? Think. Who is the little friend of 3? Its 2.

So, move up 2, move down 5. move up 4; insufficient lower beads. Think. Who is the little friend of 4? Its 1. So, move up 5, move down 1.

Its 7.



44/146

4 + 2 3 =

4, move up 4, Plus 2, move up 2; insufficient lower beads; How to do it? Think. Who is the little friend of 2? Its 3.

So, move up 5, move down 3. Minus 3, move down 3; insufficient lower beads. Think. Who is the little friend of 3? Its 2. So, move up 2, move down 5.

Equals 3.


b f k


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7 3 + 4 =

7, move up 7, Minus 3, move down 3 ; insufficient lower beads; How to do it? Think. Who is the little friend of 3? Its 2.

So, move up 2, move down 5. Plus 4, move up 4; insufficient lower beads. Think. Who is the little friend of 4? Its 1. So, move up 5, move down 1.

Equals 8.

Combination of Break FiveSubtraction

And Pool Five Addition To 9

COMBINATION OF BREAK FIVE SUBTRACTION AND POOL


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COMBINATION OF BREAK FIVE SUBTRACTION AND POOLFIVE ADDITION TO 9

1. 1 + 4 2 =2. 2 + 3 1 =3. 3 + 4 3 =4. 4 + 2 3 =5. 4 + 4 4 =

6. 4 + 1 3 =7. 3 + 2 4 =

8 3 + 3 4 = COMBINATION OF BREAK FIVE SUBTRACTION AND POOL


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1. 5 2 + 3 =2. 7 3 + 2 =3. 8 4 + 1 =4. 5 1 + 4 =5. 6 2 + 4 =

6. 5 1 + 2 =7. 7 3 + 4 =

8 8 4 + 3 = COMBINATION OF BREAK FIVE SUBTRACTION AND POOL


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1. 3 + 4 3 + 2 =2. 2 + 4 3 + 1 =3. 4 + 1 3 + 6 =4. 3 + 2 4 + 3 =5. 2 + 4 2 + 5 =

6. 1 + 2 + 3 4 =7. 2 + 2 + 2 4 =

8 3 + 3 2 + 5 = COMBINATION OF BREAK FIVE SUBTRACTION AND POOL


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1. 2 + 1 + 2 4 =2. 1 + 3 + 3 4 =3. 2 + 4 + 1 3 =4. 1 + 4 + 2 4 =5. 3 + 1 + 2 3 =

6. 3 + 2 + 1 2 =7. 4 + 2 3 + 4 =

8 2 + 2 + 3 4 =


50/146

Up 7, up 12.

Up 7; up 7 at ones. Up 12; up 1 at tens.

up 2 at ones. Its 19.

ADDITION WITHOUTCARRYING TO 20


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Up 11, up 5.

Up 11; up 1 at tensup 1 at ones. Up 5; up 5 at ones.

Its 16.



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17 + 1 =

17; up 1 at tens.up 7 at ones.

Plus 1; up 1 at ones.

Equals 18.



53/146

5 + 13 =

5; up 5. Plus 13; up 1 at tens.

up 3 at ones.Equals 18.



54/146

ADDITION WITHOUT CARRYING TO 20

1. 10 + 1 =2. 2 + 11 =3. 16 + 3 =

4. 7 + 10 =5. 3 + 6 =6. 17 + 2 =7. 6 + 11 =8. 10 + 10 =


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1. 1 + 1 + 10 =2. 12 + 6 + 1 =3. 5 + 2 + 12 =

4. 10 + 6 + 3 =5. 3 + 1 + 15 =6. 6 + 2 + 11 =7. 13 + 5 + 1 =8. 2 + 6 + 10 =


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1. 3 + 5 + 10 + 1 =2. 6 + 2 + 1 + 10 =3. 11 + 6 + 1 + 1 =

4. 5 + 3 + 10 + 1 =5. 1 + 5 + 1 + 11 =6. 2 + 5 + 2 + 10 =7. 12 + 1 + 5 + 1 =8. 7 + 1 + 10 + 1 =


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1. 5 + 11 + 2 + 1 =2. 3 + 1 + 5 + 10 =3. 12 + 5 + 1 + 1 =

4. 16 + 1 + 1 + 1 =5. 1 + 1 + 15 + 2 =6. 5 + 10 + 1 + 1 =7. 11 + 2 + 1 + 5 =8. 1 + 15 + 1 + 1 =


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Up 18, down 12.

Up18; up 1 at tens, up 8 at ones.

Down12; down 1 at tens, down 2 at ones.

Its 6.

SUBTRACTION WITHOUTREMOVING TO 20


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20 10 =

20; up 2 at tens,

Minus 10;down 1 at tens,

Equals 10.



60/146

13 - 12 =

13 ; up 1 at tens,up 3 at ones.

Minus 12; down 1 at tens,down 2 at ones.

Equals 1.



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SUBTRACTION WITHOUT REMOVING TO 20

1. 11 1 =2. 15 5 =3. 17 11 =

4. 19 13 =5. 18 6 =6. 16 - 6 =7. 18 5 =8. 14 4 =


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1. 19 15 2 =2. 16 1 5 =3. 19 2 7 =

4. 17 6 10 =5. 11 10 1 =6. 18 1 10 =7. 19 13 5 =8. 14 3 10 =


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1. 19 7 1 1 =2. 14 1 1 10 =3. 18 10 1 1 =

4. 17 1 10 1 =5. 19 5 3 1 =6. 13 1 1 10 =7. 16 1 10 5 =8. 19 12 6 1 =


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1. 17

10

1

5 =2. 12 1 10 1 =3. 19 10 7 1 =

4. 17 5 1 1 =5. 18 10 1 2 =6. 16 5 1 10 =7. 14 1 1 1 =8. 19 6 2 10 =


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1 2 3 4 5 6 7 8

19-1-1-6

18-1-1

-10

14-10-2-1

19-11-5-3

13-10-1-1

17-5-1

-10

18-11-1-1

19-2-5

-10

COMBINATION OF ADDITION WITHOUT


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Up 7, up 12, down 18, up 10.

Up 7: up 7 at ones. Up 12; up 1 at tens,

up 2 at ones. Down 18; down 1 at tens,

down 8 at ones. Up 10; up 1 at tens. Its 11.

COMBINATION OF ADDITION WITHOUTCARRYING AND SUBTRACTION WITHOUTREMOVING TO 20

COMBINATION OF ADDITION WITHOUT


67/146

16 11 + 1 5 =

16, up 16. Minus 11, down 11. Plus 1, up 1.

Minus 5, down 5. Equals 1.

COMBINATION OF ADDITION WITHOUTCARRYING AND SUBTRACTION WITHOUTREMOVING TO 20

COMBINATION OF ADDITION WITHOUT CARRYING AND


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1. 9 + 10 5 =2. 11 + 7 12 =3. 18 13 + 10 =

4. 17 + 1 3 =5. 17 10 + 2 =6. 18 5 + 6 =7. 13 + 1 4 =8. 19 3 + 2 =



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1. 13 12 + 17 =2. 10 + 3 3 =3. 11 1 + 8 =

4. 5 + 11 15 =5. 2 + 16 2 =6. 17 17 + 4 =7. 8 + 11 15 =8. 1 + 12 13 =



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1. 2 + 10 + 2 3 =2. 18 1 7 + 3 =3. 6 + 13 10 2 =

4. 17 15 + 2 + 5 =5. 6 + 10 11 + 4 =6. 3 + 15 + 1 14 =7. 16 11 + 13 7 =8. 2 + 15 12 + 1 =


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The big friend of 1 is 9

The big friend of 2 is 8

The big friend of 3 is 7 The big friend of 4 is 6 The big friend of 5 is 5

The big friend of 6 is 4 The big friend of 7 is 3 The big friend of 8 is 2 The big friend of 9 is 1

10

1

2

4

9

7

5 5

3

8

6

Big Friend

ADDITION WITH


72/146

Up 1, up 9.

Up 1.Up 9; insufficient beads at ones. Think. Who is the big friend of 9 ? Its 1.So , down 1 at ones,

carry 1 at tens .Its 10.

ADDITION WITHCARRYING TO 20


73/146

Up 5, up 5.

Up 5.Up 5; insufficient beads at ones. Think. Who is the big friend of 5 ? Its 5.So , down 5 at ones,

carry 1 at tens .Its 10.

ADDITION WITH CARRYING TO 20


74/146

Up 8, up 4.

Up 8.

Up 4; insufficient beads at ones. Think. Who is the big friend of 4 ?Its 6.

So, down 6 at ones,

carry 1 at tens .

Its 12.




75/146

4 + 8 =4, up 4.Plus 8, up 8; insufficient beads at ones. Think. Who is the big friend of 8 ?Its 2.

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

Equals 12.

ADDITION WITH CARRYING TO 20 Listen abacus calculation.



76/146

7 + 5 =

7, up 7.Plus 5, up 5; insufficient beads at ones .Think. Who is the big friend of 5? Its 5.

So, down 5 at ones, carry 1 at tens.

Equals 12.

ADDITION WITH CARRYING TO 20 Abacus calculation.



77/146

8 + 4 =

8, up 8.Plus 4, up 4; insufficient beads at ones .Think. Who is the big friend of 4? Its 6.

So, down 6 at ones, carry 1 at tens.

Equals 12.

ADDITION WITH CARRYING TO 20 Abacus calculation.



78/146

Lets practise.

1. 6 + 4 + 7 =2. 9 + 1 + 4 =3. 3 + 9 + 1 =

4. 8 + 7 + 2 =5. 6 + 5 + 2 =

6. 8 + 8 + 2 =7. 3 + 7 + 8 =8. 8 + 5 + 6 =



79/146

Lets practise.

1. 7 + 3 + 4 =2. 8+ 9 + 2 =3. 8 + 4 + 7 =

4. 9 + 7 + 1 =5. 7 + 8 + 4 =

6. 4 + 7 + 8 =7. 9 + 8 + 1 =8. 4 + 9 + 1 =



80/146

Lets practise.

1. 6 + 4 + 8 + 1 =2. 7 + 4 + 3 + 5 =3. 4 + 8 + 6 + 1 =

4. 3 + 7 + 4 + 5 =5. 4 + 8 + 2 + 5 =

6. 1 + 9 + 5 + 1 =7. 3 + 5 + 8 + 3 =8. 2 + 9 + 7 + 1 =


81/146

ADDITION WITH CARRYING TO 20Lets practise.

1 2 3 4 5 6 7 8

9211

4951

2835

6251

2278

2534

1297

8326

S bt ti With R i g T 20


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Up 12 , down 8

Subtraction With Removing To 20 Abacus calculation.

12, up 12.down 8 ; insufficient beads at ones .Think. Who is the big friend of 8? Its 2.

So, remove 1 at tens, up 2 at ones.

Its 4.

S btraction With Remo ing To 20


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Up 11 , down 4


11, up 11.down 4 ; insufficient beads at ones .Think. Who is the big friend of 4? Its 6.


Its 7.

Subtraction With Removing To 20


84/146

20 - 9 =

20, up 20.Minus 9, down 9 ; insufficient beads at ones .Think. Who is the big friend of 9? Its 1.


Equals 11.




85/146

14 - 5 =



Equals 9.




86/146

12 - 4 =



Equals 8


S f S bt ti With R i g


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Summary for Subtraction With Removing

Type 1

21

Step Remove 1

Step Up the Big Friend of 6, 7, 8 and 92

Example :

15 - 6 =

21 - 7 =40 - 8 =166 9 =

1

Type 2


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2

1

Step Remove 1

Step Up the Big Friend of 5

1

2

Example :

10 5 = 20 5 = 30 15 = 90 75 =

Type 2

Type 3


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Type 3

2

1

Step Remove 1

Step Up the Big Friend of 1 , 2 , 3 or 4

1

2

Example :

10 1 =71 2 =

580 3 =924 40 =


90/146


1. 10 - 5 5 =2. 15 7 5 =3. 11 2 7 =4. 16 6 8 =5. 17 2 7 =6. 18 6 - 3 =7. 13 1 9 =8. 20 14 1 =9. 19 3 9 =

10. 12 4 2 =

032289357

6


91/146


1. 20 11 3 1 =2. 14 1 9 3 =3. 11 8 1 2 =4. 10 2 5 1 =5. 17 5 2 8 =6. 18 6 3 7 =7. 16 1 7 2 =8. 20 10 5 5 =9. 19 4 9 5 =10. 20 17 1 1 =

5

1

4

2

2

2

6

0

1

1

SUBTRACTION WITH REMOVING TO 20


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1. 18 2 1 5 9 =2. 17 8 2 1 5 =3. 20 13 1 5 -1 =

4. 19 2 6 1 6 =5. 10 1 1 1 2 =6. 18 1 1 9 5 =

7. 13 1 2 8 2 =8. 14 5 2 1 1 =

1

1

0

45

2

0

5


93/146


1 2 3 4 5 6 7 8

10-6-1-2

14-3-3-7

17-9-1-6

20-10-9-1

17-8-2-5

11-4-1-5

18-5-1-9

14-1-4-8

1 1 1 0 2 1 3 1

COMBINATION OF SUBTRACTION


94/146

12 9 + 8 =12, up 12.Minus 9, down 9 ; insufficient beads at ones. Think. Who is the big friend of 9? Its 1. So, remove 1 at tens,

up 1 at ones.

Plus 8, up 8: insufficient beads at ones. Think. Who is the big friend of 8? Its 2. So, down 2 at ones ,

carry 1 at tens. Equals 11.

WITH REMOVING AND ADDITIONWITH CARRYING TO 20

COMBINATION OF SUBTRACTION


95/146

8 + 3 - 7 =8, up 8;Plus 3, up 3 ; insufficient beads at ones. Think. Who is the big friend of 3? Its 7. So, down 7 at ones,

carry 1 at tens.

Then, minus 7, down 7: insufficient beads at ones. Think. Who is the big friend of 7? Its 3. So, remove 1 at tens ,

up 3 at ones. Equals 4.

WITH REMOVING AND ADDITIONWITH CARRYING TO 20

COMBINATION OF SUBTRACTION WITH REMOVING ANDADDITION WITH CARRYING TO 20


96/146


1. 11 5 + 4 =2. 9 + 1 7 =3. 8 + 5 9 =

4. 15 + 5 4 =5. 10 9 + 9 =6. 3 + 9 8 =7. 7 + 4 3 =8. 12 8 + 6 =

10

3

4

1610

4

8

10



97/146


1. 16 9 + 5 =2. 12 9 + 8 =3. 8 + 8 8 =4. 15 9 + 4 =5. 8 + 3 7 =

6. 9 + 5 5 =7. 12 3 + 9 =8. 7 + 8 6 =

12

11

8

10

4

918

9



98/146


1. 10 -5 + 5 + 7 =2. 9 + 1 1 + 8 =3. 15 8 + 9 8 =

4. 9 + 5 5 + 4 =5. 11 9 + 8 5 =6. 17 8 + 7 8 =7. 3 + 8 2 + 6 =8. 12 8 + 7 3 =

17

17

8

135

8

15

8


99/146

Up 14, up 1.

Up 14.Up 1; insufficient lower beads. Think. Who is the little friend of 1 ?Its 4. So, up 5, down 4. Its 15.



100/146

3 + 12 =

3, up 3.

Plus 12; up 1 at tens,up 2 at ones, insufficient lower beads at ones.

Think. Who is the little friend of 2? Its 3.So, up 5, down 3 at ones. Equals 15.




101/146

3 + 12 =

3, up 3.

Plus 12; up 1 at tens,up 2 at ones, insufficient lower beads at ones.

Think. Who is the little friend of 2? Its 3.So, up 5, down 3 at ones. Equals 15.



102/146


1. 11 + 2 + 2 =2. 14 + 2 6 =

3. 1 + 2 + 14 =4. 9 5 + 13 =5. 2 + 13 + 4 =

6. 12 1 + 4 =7. 14 + 3 5 =8. 19 5 + 1 =


103/146


1. 14 + 4 + 1 6 =2. 3 + 13 + 2 10 =

3. 18 16 + 14 1 =4. 13 + 4 16 + 12 =5. 17 5 + 4 + 2 =

6. 1 + 14 5 + 9 =7. 4 + 14 10 5 =8. 4 + 11 + 3 7 =


104/146


1. 12 + 1 + 1 + 1 5 =2. 19 5 1 + 2 + 3 =

3. 18 16 + 14 5 + 4 =4. 12 + 4 + 3 5 + 2 =5. 19 6 + 4 15 + 13 =

6. 17 5 + 4 15 + 14 =7. 10 + 3 + 3 5 + 4 =8. 4 + 14 15 + 12 + 1 =


105/146

Up 17, down 3.

Up 17.Down 3; insufficient lower beads . Think. Who is the little friend of 3? Its 2.

So, up 2, down 5 . Its 14.



106/146

Up 15, down 12 Up 15.Down 12,Down 1 at tens, down 2 at ones;insufficient lower beads at ones. Think. Who is the little friend of 2? Its 3. So, up 3, down 5 . Its 3.




107/146

16 4 =

16, up 16. Minus 4, down 4; insufficient lowerbeads. Think. Who is the little friend of 4? Its 1. So, up 1, down 5 .Equals 12.




108/146

15 11 =

15, up 15

Minus 11, down 1 at tens,Down 1 at ones;insufficient lower beads. Think. Who is the little friend of 1? Its 4. So, up 4, down 5 .Equals 4.


BREAK FIVE SUBTRACTION


109/146

TO 20

1. 15 3 =2. 17 4 =

3. 16 2 =4. 15 4 =5. 17 3 =

6. 15 1 =7. 18 4 =8. 16 3 =

BREAK FIVE SUBTRACTION


110/146

TO 20

1. 5 + 10 1 =2. 19 1 4 =

3. 11 + 5 2 =4. 15 2 3 =5. 16 3 + 6=6. 10 + 7 4 =7. 12 + 5 3 =

8 17 2 4 =



111/146

1. 18 3 1 4 =2. 16 2 13 + 7 =3. 10 + 7 4 3 =

4. 19 4 2 + 6 =5. 1 + 5 + 10 4 =

6. 15 3 + 6 4 =7. 11 + 7 4 + 5 =

8 1 + 15 3 12 = BREAK FIVE SUBTRACTION TO 20


112/146

1. 11 + 1 + 6 4 3 =2. 2 + 15 4 + 5 4 =3. 17 2 1 3 + 6 =

4. 15 2 + 6 3 4 =5. 18 4 13 + 11 2 =

6. 5 + 10 3 + 6 4 =7. 5 + 13 4 12 + 17 =

8 18 2 4 + 5 3 = COMBINATION OF POOL FIVEADDITION AND BREAK FIVE


113/146

Up 14, up 2, down 3.

Up 14.Up 2; insufficient lower beads . Think. Who is the little friend of 2? Its 3. So, up 5, down 3. Down 3, insufficient lower beads.

Think. Who is the little friend of 3? Its 2. So, up 2, down 5. Its 13.

ADDITION AND BREAK FIVESUBTRACTION TO 20

COMBINATION OF POOL FIVEADDITION AND BREAK FIVE


114/146

16 2 + 1 =

16, up 16. Minus 2; down 2 ;insufficient lower beads .Think. Who is the little friend of 2? Its 3. So, up 3, down 5. Plus 1, up 1 ; insufficient lower beads.

Think. Who is the little friend of 1?Its 4. So, up 5, down 4. Equals 15.

ADDITION AND BREAK FIVESUBTRACTION TO 20

COMBINATION OF POOL FIVE ADDITION ANDBREAK FIVE SUBTRACTION TO 20


115/146

1. 11 + 4 2=2. 15 3 + 4 =3. 13 + 2 4 =

4. 17 3 + 1 =5. 13 + 3 3 =

6. 15 2 + 4 =7. 16 3 + 2 =

8 13 + 4 3 = COMBINATION OF POOL FIVE ADDITION ANDBREAK FIVE SUBTRACTION TO 20


116/146

1. 12 + 4 3 =2. 15 1 + 1 =3. 16 3 + 2 =

4. 1 + 14 3 =5. 15 3 + 4 =

6. 3 + 12 2 =7. 17 3 + 4 =

8 15 2 + 3 = COMBINATION OF POOL FIVE ADDITION ANDBREAK FIVE SUBTRACTION TO 20


117/146

1. 4 + 10 + 1 3 =2. 19 6 + 4 3 =3. 17 + 1 4 + 2 =

4. 13 + 3 2 + 4 =5. 2 + 12 + 1 4 =

6. 18 6 + 3 1 =7. 1 + 15 4 + 3 =

8 14 + 3 4 + 2=

INTEGRATION OF ADDITION TO 20


118/146

Up 8, up 6.

Up 8.

Up 6, insufficient beads at ones. Think. Who is the big friend of 6? Its 4. So, down 4 at ones; insufficient lower beads. Think. Who is the little friend of 4? Its 1. So , up 1, down 5 at ones,

Carry 1 at tens.Its 14




119/146

Up 5, up 8.

Up 5.

Up 8, insufficient beads at ones. Think. Who is the big friend of 8? Its 2. So, down 2 at ones; insufficient lower beads. Think. Who is the little friend of 2? Its 3. So , up 3, down 5 at ones,

Carry 1 at tens.Its 13




120/146

7 + 7 =7,up 7.Plus 7, up 7; insufficient beads at ones. Think. Who is the big friend of 7? Its 3. So, down 3 at ones; insufficient lower beads.

Think. Who is the little friend of 3? Its 2. So , up 2, down 5 at ones,

Carry 1 at tens.

Equals 14




121/146

5 + 6 =5,up 5.Plus 6, up 6; insufficient beads at ones. Think. Who is the big friend of 6? Its 4. So, down 4 at ones; insufficient lower beads.

Think. Who is the little friend of 4? Its 1. So , up 1, down 5 at ones,

Carry 1 at tens.

Equals 11




122/146

1. 5 + 7 + 1 =2. 5 + 6 + 2 =3. 5 + 6 + 6 =

4. 6 + 6 + 7 =5. 5 + 6 + 7 =6. 5 + 7 + 6 =7. 7 + 6 + 5 =8. 5 + 8 + 1 =



123/146

1. 5 + 7 + 2 =2. 5 + 6 + 5 =3. 5 + 8 + 6 =

4. 5 + 7 + 7 =5. 5 + 6 + 3 =6. 7 + 6 + 6 =7. 6 + 7 + 5 =8. 5 + 6 + 8 =



124/146

1. 5 + 7 + 1 + 1 =2. 1 + 5 + 6 + 7 =3. 7 + 1 + 6 + 5 =

4. 1 + 6 + 6 + 6 =5. 5 + 6 + 5 + 3 =6. 5 + 8 + 1 + 5 =7. 6 + 7 + 5 + 1 =8. 5 + 7 + 5 + 2 =


125/146


1 2 3 4 5 6 7 8

5

95

6

71

2

57

5

61

3

56

1

58

5

75

6

66


126/146

Up 13, down 7

up 13.

down 7; insufficient beads at ones. Think. Who is the big friend of 7? Its 3.

So , remove 1 at tens,

Up 3 at ones; insufficient lower beads. Think. Who is the little friend of 3? Its 2. So, up 5, down 2 at ones. Its 6.

INTEGRATION OF SUBTRACTION TO 20


127/146

Up 14, down 8

up 14.

down 8; insufficient beads at ones. Think. Who is the big friend of 8? Its 2.


Up 2 at ones; insufficient lower beads. Think. Who is the little friend of 2? Its 3. So, up 5, down 3 at ones. Its 6.



128/146

14 6 =

14, up 14.

Minus 6, down 6; insufficient beads at ones. Think. Who is the big friend of 6? Its 4.


Up 4 at ones; insufficient lower beads. Think. Who is the little friend of 4? Its 1. So, up 5, down 1 at ones. Equals 8.



129/146

13 8 =

13, up 13.

Minus 8, down 8; insufficient beads at ones. Think. Who is the big friend of 8? Its 2.


Up 2 at ones; insufficient lower beads. Think. Who is the little friend of 2? Its 3. So, up 5, down 3 at ones. Equals 5.


Summary for Integration of Addition


130/146

31

Step Remove 1

Step Up 5

Step Down the Little Friend

1

2

2

3

Sum Big

Friend

Little

Friend11 6 4 133 7 3 2

832 80 2 3940 - 90 1 4



131/146

1. 14 7 1 =2. 18 7 6 =3. 14 6 3 =

4. 14 8 6 =5. 11 6 5 =

6. 18 5 6 =7. 13 6 2 =

8 17 5 7 =

6

5

5

0

0

75

5



132/146

1. 14 7 1 =2. 18 7 6 =3. 14 6 3 =

4. 14 8 6 =5. 11 6 5 =

6. 18 5 6 =7. 13 6 2 =

8 17 5 7

6

5

5

0

0

75

5 INTEGRATION OF SUBTRACTION TO 20


133/146

1. 13 1 7 =

2. 14 6 2 =3. 19 8 6 =

4. 14 8 5 =5. 19 6 8 =

6. 19 5 9 =7. 14 2 6 =8. 14 7 2 =

5

6

5

15

56

5



134/146

1. 14 1 7 1 =

2. 18 7 6 5 =3. 18 5 8 5 =

4. 13 1 6 1 =5. 14 8 2 3 =

6. 19 6 6 2 =7. 14 2 7 5 =8. 19 5 6 3 =

5

10

0

51

50

5


135/146


1 2 3 4 5 6 7 8

12

-1-6

14

-9-5

13

-6-2

14

-7-5

19

-5-8

17

-5-6

14

-8-1

18

-6-7

5 0 5 2 6 6 5 5

COMBINATION OF INTEGRATION OFSUBTRACTION AND INTEGRATION


136/146

13 7 + 8 =13, up 13.Minus 7, down 7; insufficient beads at ones. Think. Who is the big friend of 7 ? Its 3.

So, remove 1 at tens ,Up 3 at ones; insufficient lower beads.

Think. Who is the little friend of 3? Its 2. So , up 5, down 2 at ones. Plus 8, up 8; insufficient beads at ones.

Think. Who is the big friend of 8? Its 2. So , down 2 at ones; insufficient lower beads. Think. Who is the little friend of 2? Its 3. So, up 3, down 5 at ones,


OF ADDITION TO 20

COMBINATION OF INTEGRATION OFSUBTRACTION AND INTEGRATION


137/146

8 + 6 8 =

8, up 8.Plus 6, up 6 ; insufficient beads at ones.

Think. Who is the big friend of 6 ? Its 4. So, down 4 at ones ; insufficient lower beads at ones. Think. Who is the little friend of 4 ? Its 1. So , up 1, down 5, carry 1 at tens. Then minus 8; down 8 ; insufficient beads at ones.

Think. Who is the big friend of 8? Its 2. So , remove 1 at tens , up 2 at ones, insufficient lower beads. Think. Who is the little friend of 2? Its 3. So, up 5, down 3 at ones Equals 6.

OF ADDITION TO 20

COMBINATION OF INTEGRATION OF ADDITION ANDINTEGRATION OF SUBTRACTION TO 20

1 5 9 6 8


138/146

1. 5 + 9 - 6 =

2. 11- 6 + 9 =3. 7 + 7 8 =

4. 5 + 7 7 =5. 12 7 + 6 =

6. 6 + 6 6 =7. 14 9 + 7 =8. 6 + 8 8 =

8

146

511

612

6

COMBINATION OF INTEGRATION OF ADDITION ANDINTEGRATION OF SUBTRACTION TO 20

1 7 7 6 8


139/146

1. 7 + 7 6 =

2. 13 8 + 8 =3. 6 + 7 6 =

4. 8 + 6 - 9 =5. 7 + 6 8 =

6. 14 8 + 7 =7. 11 6 + 6 =8. 7 + 7 7 =

8

137

55

1311

7

COMBINATION OF INTEGRATION OF ADDITION


140/146

COMBINATION OF INTEGRATION OF ADDITION AND INTEGRATION OF SUBTRACTION TO 20

1 2 3 4 5 6 7 8

7

7-6

13

-88

6

7-6

8

6-9

7

6-8

14

-87

11

-66

7

7-7

8 13 7 5 5 13 11 7

INTEGRATION OF ALL SKILLS TO 20


141/146

5 1 + 8 =

5, up 5. Minus 1, down 1; insufficient lower beads.

Think. Who is the little friend of 1?Its 4. So, up 4, down 5. Plus 8, up 8; insufficient beads at ones. Think. Who is the big friend of 8? Its 2. So, down 2 at ones,



142/146

7 + 7 3 8 =

7, up 7. Plus 7 ; up 7; insufficient beads at ones.

Think. Who is the big friend of 7? Its 3. So, down 3 at ones; insufficient lower beads.Think. Who is the little friend of 3? Its 2. So, up 2, down 5 at ones,

carry 1 at tens. Minus 3, down 3. Minus 8, down 8; insufficient beads at ones. Think. Who is the big friend of 8? Its 2. So, remove 1 at tens,

up 2 at ones. Equals 3.

INTEGRATION OF ALL SKILLS TO 20

INTEGRATION OF ALL SKILLS

1 2 + 3 + 4


143/146

1. 2 + 3 + 4 =

2. 6 2 + 7 =3. 6 + 2 - 5 =

4. 9 + 6 - 3 =5. 5 + 8 - 1 =

6. 11 -3 + 7 =7. 4 + 5 + 11 =8. 3 + 3 + 7 =


1 6 3 + 4 + 9


144/146

1. 6 3 + 4 + 9 =

2. 8 4 + 8 + 8 =3. 9 4 + 6 + 7 =

4. 11 2 + 5 + 6 =5. 4 + 6 + 8 9 =

6. 3 + 5 + 7 9 =7. 5 + 7 9 + 12 =8. 7 + 7 3 8 =


1 10 5 + 6 3


145/146

1. 10 5 + 6 3 =

2. 12 + 4 8 + 7 =3. 5 + 5 6 + 8 =

4. 13 4 + 7 - 8 =5. 15 6 4 + 9 =

6. 17 13 + 4 + 6 =7. 5 1 + 9 - 7 =8. 12 10 + 3 - 1 =


1 1 + 5 + 8 5 6


146/146

1. 1 + 5 + 8 5 6 =

2. 6 + 7 8 + 6 2 =3. 2 + 2 + 4 + 8 7 =

4. 9 + 5 6 + 3 + 1 =5. 12 5 + 7 5 + 3 =

6. 3 + 3 + 3 + 3 6 =7 7 + 8 9 + 4 3

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2 Year 1 Command and Question