Download pdf - 3 Subtraction Withi Nthe Range of 10 000

8/12/2019 3 Subtraction Withi Nthe Range of 10 000

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SUBTRACTION

WITHIN THE RANGE OF

10 000


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Little Friend

The Little Friend of 1is 4.The Little Friend of 2is 3.

The Little Friend of 3is 2.


5

1

2

4

4

23

3

1


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9846 - 4835 =

9846, up 9846

Minus 4835, down 4835Equals 5011.


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7674 - 521 - 6152 =7672, up 7674

Minus 521, down 521

Minus 6152, down 6152

Equals 1001.


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6547 - 4313 =

6547, up 6547



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7853

142

3410 =

7853, up 7853

Minus 142, down 142Minus 3410, down 3410

Equals 4301.


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5766 - 42 =

5766, up 5766



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7769

243 - 3412 =

7769, up 7769

Minus 243, down 243Minus 3412, down 3412

Equals 4114.


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Step Up the Little Friend of 1, 2, 3 and 4

Step Down 5

1

2

Example :

1) 6573 - 1542 =

2) 8976 - 1132 =3) 9593 - 4251 =

4) 5857 - 2413 =

1

2

SUMMARY:

Break Five Subtraction

5031

78445342

3444


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Big Friend

The big friend of 1is 9.





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



10

1

2

4

9

7

5 5

3

8

6


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Little Friend

The Little Friend of 1is 4.The Little Friend of 2is 3.



5

1

2

4

4

23

3

1


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5318 - 52 =

5318, up 5318



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4524 - 285 - 47 =

4524, up 4524

Minus 285, down 285

Minus 47, down 47

Equals 4192.


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6145 - 651 - 59 =

6145, up 6145

Minus 651, down 651

Minus 59, down 59

Equals 5435.


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7382 1547 =

7382, up 7382



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2536 - 85 - 724 =

2536, up 2536

Minus 85, down 85

Minus 724, down 724

Equals 1727.


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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


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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


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Type 3

2

1

Step Remove1

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

1

2

Example :

10 1 =

71

2 =580 3 =

924 40 =


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Summary for Integration of Subtraction

31

Step Remove 1

Step Up 5

Step Down the Little Friend

1

2

2

3

Sum BigFriend LittleFriend

11 6 4 1

33 7 3 2

832 80 2 3

940 - 90 1 4


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Practice 1

1 2 3 4 5 69763

-7562

6946

- 214

2476

- 132

8797

-4266

2461

- 330

3206

-1204

2201 6732 2344 4531 2131 2002


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Practice 2

1 2 3 4 5 69999

-8878

3978

-2664

9846

-3721

3274

-1123

6755

-2411

8556

-3542

1121 1314 6125 2151 4344 5014


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Practice 3

1 2 3 4 5 68856

- 24

- 231

7839

- 324

- 405

9764

-6121

-643

2869

- 37

-2421

1876

- 442

-1434

4756

-2142

-213

8601 7110 3000 411 0 2401


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Practice 4

1 2 3 4 5 66457

-1322

- 21

7865

- 45

- 410

9988

- 317

-5431

2595

-1372

- 122

4762

-531

-1210

1856

-321

-1423

5114 7410 4240 1101 3021 112


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Practice 5

1 2 3 4 5 63587

- 53

-1414

6715

-4201

-1113

9453

- 21

-7322

7937

-5213

- 24

2569

- 43

-1423

8783

-142

- 620

2120 1401 2110 2700 1103 8021


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Practice 6

1. 6863 4432 =

2. 5610

1500 =

3. 4798 1367 =

4. 1792 1772 =

5. 7358

6244 =

6. 3674 2222 =

7. 2786 2631 =

8. 7994

4542 =

9. 4826 724 =

10. 2765 444 =

2431

4110

3431

20

1114

1452

155

3452

4102

2321


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Practice 7

1. 5587 22 164 =

2. 6738

413

1001 =

3. 5979 4312 24 =

4. 1469 214 115 =

5. 2942

642

1200 =

6. 4857 1421 34 =

7. 5486 74 1311 =

8. 7786

321

141 =

9. 5765 1421 32 =

10. 2679 63 202 =

5401

5324

1643

1140

1100

3402

4101

7324

4312

2414


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Practice 8

1 2 3 4 5 6

3597

-28

4165

-147

3891

-729

9281

-756

5463

-1958

7611

-746

3569 4018 3162 8525 3505 6865


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Practice 9

1 2 3 4 5 6

1526

-9

3692

-37

6301

-341

9648

-552

8951

-6866

6473

-4958

1517 3655 5960 9096 2085 1515


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Practice 10

1 2 3 4 5 6

6268

-365

-568

5001

-457

-287

8222

-317

-1686

9214

-18

-547

4335

-620

-1897

4103

-78

-272

5335 4257 6219 8649 1818 3753


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Practice 11

1 2 3 4 5 6

2623

-75

-1735

3412

-264

-634

2268

-19

-576

5119

-826

-785

4004

-265

-1278

6075

-1247

-2964

813 2514 1673 3508 2461 1864


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Practice 12

1 2 3 4 5 6

2467

-736

-58

5146

-582

-29

3832

-344

-2759

9112

-68

-4599

4530

-268

-197

7121

-3866

-2284

1673 4535 729 4445 4065 971


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Practice 13

1. 3622 168 =

2. 5834

2267 =

3. 5284 796 =

4. 2223 338 =

5. 6754

1089 =

6. 7722 3867 =

7. 8217 48 =

8. 4502

316 =

9. 9900 8936 =

10. 10 000 5 =

3454

3567

4488

1885

5665

3855

8169

4186

964

9995


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Practice 14

1. 3456 1248 760 =

2. 4785

976

1748 =

3. 9827 3903 1879 =

4. 9101 49 7077 =

5. 7314

869

996 =

6. 5050 808 707 =

7. 6161 606 979 =

8. 5263

1738

76 =

9. 4444 999 1990 =

10. 7480 2935 3097 =

1448

2061

4045

1975

5449

3535

4576

3449

1455

1448


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Mental Calculation


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1 2 3 4 5 6

9483-241

7267- 153

4871- 21

3945- 433

- 12

2473-1111

- 52

8354-251

- 101

Mental calculation 1

9242 7114 4850 3500 1310 8002


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Mental calculation 2

1 2 3 4 5 6

4162

-689

7245

-491

3344

-188

6027

-475

-687

5900

-457

-2998

8345

-3792

-2007

3473 6754 3156 4865 2445 2546