Answers

Column Addition

1. 4,823 + 472 = 5,295 7. 8,312 + 50 = 8,362

2. 9,378 + 203 = 9,581 8. 3,281 + 342 = 3,623

3. 4,832 + 1,204 = 6,036 9. 5,210 + 4,041 = 9,251

4. 8,508 = 8,303 + 205 10. 6,082 = 5,482 + 600

5. 7,832 + 300 = 8,132 11. 3,291 + 308 = 3,599

6. 6,429 + 2,431 = 8,860 12. 9,832 + 59 = 9,891

Column Subtraction

1. 5,593 - 500 = 5,093 7. 6,332 - 60 = 6,272

2. 3,391 - 31 = 3,360 8. 1,281 - 549 = 732

3. 4,882 - 432 = 4,450 9. 5,000 - 4,281 = 719

4. 3,526 = 3,851 - 325 10. 4,882 = 5,482 - 600

5. 4,492 - 29 = 4,463 11. 3,390 - 840 = 2,550

6. 6,429 - 3,291 = 3,138 12. 9,106 - 39 = 9,067

Multiplying and Dividing by 1 or 0

1. 472 x 0 = 0 7. 3, 990 ÷ 1 = 3,990

2. 9,828 x 0= 0 8. 4921 x 0 = 0

3. 472 x 1 = 472 9. 3,291 ÷ 1 = 3,291

4. 281 ÷ 1 = 281 10. 5 x 0 = 0

5. 701 ÷ 1 = 701 11. 308 x 1 x 0 = 0

6. 1,821 x 0 = 0 12. 9,832 x 1 = 9,832

Multiplication (Part 1)

1. 40 x 20 = 800 7. 427 x 3 = 1,281

2. 50 x 60 = 3,000 8. 4,492 x 4 = 17,968

3. 600 x 6 = 3,600 9. 1,397 x 8 = 11,176

4. 33 x 8 = 264 10. 4,294 x 93 = 38, 646

5. 93 x 2 = 186 11. 3,291 x 6 = 19,746

6. 52 x 3 = 156 12. 9,281 x 9 = 83,529

Multiplication (Part 2)

1. 418 x 15 = 6,270 7. 4,592 x 26 = 119,392

2. 832 x 12= 9,984 8. 6,291 x 53 = 333,423

3. 702 x 24 = 16,848 9. 8,391 x 61 = 551,851

4. 937 x 25 = 23,425 10. 4,391 x 45 = 197,595

5. 392 x 32 = 12,544 11. 3,821 x 94 = 359,174

6. 572 x 54 = 30,888 12. 9,832 x 87 = 855,384

Basic Division

1. 64 ÷ 8 = 8 7. 1,600 ÷ 4 = 400

2. 240 ÷ 4 = 60 8. 3,000 ÷ 6 = 500

3. 39 ÷ 13 = 3 9. 4,200 ÷ 6 = 700

4. 490 ÷ 7 = 70 10. 8,100 ÷ 9 = 900

5. 36 ÷ 6 = 6 11. 3,600 ÷ 9 = 400

6. 250 ÷ 5 = 50 12. 4,000 ÷ 50 = 80

Short Division

1. 84 ÷ 4 = 21 7. 3,612 ÷ 6 = 602

2. 963 ÷ 3 = 321 8. 2,718 ÷ 6 = 453

3. 153 ÷ 3 = 51 9. 2,289 ÷ 7 = 327

4. 375 ÷ 5 = 75 10. 5,589 ÷ 9 = 621

5. 176 ÷ 4 = 44 11. 5,584 ÷ 8 = 698

6. 635 ÷ 5 = 127 12. 5,789 ÷ 7 = 827

Long Division

1. 273 ÷ 13 = 21 7. 7,548 ÷ 37 = 204

2. 442 ÷ 13 = 34 8. 4,033 ÷ 37 = 109

3. 943 ÷ 23 = 41 9. 2,730 ÷ 35 = 78

4. 345 ÷ 23 = 15 10. 2,088 ÷ 24 = 87

5. 861 ÷ 41 = 21 11. 5,395 ÷ 83 = 65

6. 943 ÷ 41 = 23 12. 3,564 ÷ 99 = 36

Order of Operations

1. 3 x 5 + 10 = 25 7. 10 - 3 x 2 = 4

2. (30 ÷ 5) x 2 = 12 8. 9² - 100 ÷ 2 = 31

3. 75 - 21 ÷ 7 = 72 9. 20 ÷ 5 + 36 ÷ 6 = 10

4. 6 x (14 - 3) = 66 10. 5 + 30 x 7 = 215

5. 5² + 42 = 67 11. 12 x (9 - 4) = 36

6. 4² ÷ 2 + 3 = 11 12. (6 + 3) x (8÷2) = 36

Square and Cube Numbers
1. 2² = 4 7. 4³ = 64

2. 7² = 49 8. 10² = 100

3. 3³ = 27 9. 12² = 144

4. 1³ = 1 10. 5³ = 125

5. 6² = 36 11. 8³ = 512

6. 8² = 64 12. 12³ = 1,728

Adding Fractions (Same Denominator)

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

2. 3/4 + 1/4 = 4/4 or 1 8. 8/9 - 3/9 = 5/9

3. 4/5 + 2/5 = 6/5 or 1 and 1/5 9. 37/100 - 21/100 = 16/100

4. 6/7 + 2/7 = 8/7 or 1 and 1/7 10. 43/73 - 12/73 = 31/73

5. 4/9 + 3/9 = 7/9 11. 31/45 - 28/45 = 3/45

6. 3/5 + 3/5 = 6/5 or 1 and 1/5 12. 8/10 - 5/10 + 4/10 = 7/10

Adding Fractions (Different Denominator)

1. 2/5 + 1/2 = 9/10 7. 7/8 - 1/4 = 5/8

2. 2/3 + 4/5 = 22/15 8. 1/2 - 1/7 = 5/14
or 1 and 7/15

3. 2/3 + 1/4 = 11/12 9. 5/6 - 1/3 = 1/2

4. 6/7 + 1/2 = 19/14 10. 4/5 - 1/4 = 11/20
 or 1 and 5/14

5. 3/6 + 5/12 = 11/12 11. 7/9 - 2/3 = 1/9

6. 1/7 + 2/3 = 17/21 12. 7/8 - 1/3 =13/24

Fraction of a Number

1. Find 2/3 of 90 = 60 7. Find 4/5 of 75 = 60

2. Find 3/4 of 800 = 600 8. Find 5/8 of 128 = 80

3. Find 3/8 of 240 = 90 9. Find 3/7 of 4,900 = 2,100

4. Find 2/6 of 360 = 120 10. Find 4/5 of 9,500 = 7,600

5. Find 2/8 of 640 = 160 11. Find 2/3 of 72 = 48

6. Find 2/6 of 72 = 24 12. Find 3/4 of 96 = 72

Multiplying Fractions

1. 1/2 x 2/3 = 1/3 7. 6/7 x 1/3 = 2/7

2. 1/5 x 1/4 = 1/20 8. 4/6 x 2/4 = 1/3

3. 1/8 x 1/2 = 1/16 9. 5/6 x 2/9 = 5/27

4. 2/3 x 1/3 = 2/9 10. 7/9 x 2/3 = 14/27

5. 4/5 x 2/3 = 8/15 11. 4/7 x 5/6 =10/21

6. 3/4 x 2/3 = 1/2 12. 2/9 x 4/6 = 4/27

Dividing Fractions

1. 1/2 ÷ 3 = 1/6 7. 2/10 ÷ 9 = 1/45

2. 1/6 ÷ 6 = 1/36 8. 1/4 ÷ 6 = 1/24

3. 5/6 ÷ 6 = 5/36 9. 2/5 ÷ 7 = 2/35

4. 1/5 ÷ 8 = 1/40 10. 5/8 ÷ 4 = 5/32

5. 2/3 ÷ 4 = 1/6 11. 11/12 ÷ 6 = 11/72

6. 9/10 ÷ 3 = 3/10 12. 7/9 ÷ 3 = 7/27

Adding Decimals

1. 4.2 + 8.1 = 12.3 7. 5.391 + 3.1 = 8.491

2. 4.32 + 4.03 = 8.35 8. 3.942 + 2.42 = 6.362

3. 10.37 + 12.48 = 22.85 9. 3.39 + 2.1 = 5.49

4. 4.938 + 1.390 = 6.328 10. 15.938 + 2.7 = 18.638

5. 15.391 + 71.342 = 86.733 11. 5.3 + 0.02 = 5.32

6. 36.234 + 45 = 81.234 12. 6.42 + 0.054 = 6.474

Subtracting Decimals

1. 5.6 - 1.3 = 4.3 7. 5 - 1.3 = 3.7

2. 3.34 - 1.42 = 1.92 8. 7 - 5.23 = 1.77

3. 8.483 - 3.5 = 4.983 9. 9 - 4.29 = 4.71

4. 4.38 - 2.99 = 1.39 10. 6 - 3.319 = 2.681

5. 13.35 - 9.2 = 4.15 11. 4 - 0.003 = 3.997

6. 39.397 - 0.004 = 39.393 12. 3 - 1.392 = 1.608

Percentages

1. Find 4% of 200 = 8 7. Find 45% of 640 = 288

2. Find 7% of 800 = 56 8. Find 15% of 580 = 87

3. Find 9% of 600 = 36 9. Find 15% of 960 = 144

4. Find 99% of 500 = 495 10. 55% x 640 = 352

5. Find 99% of 400 = 396 11. 60% x 820 = 492

6. Find 45% of 280 = 126 12. 23% x 400 = 92