3. 1,000 x 12.5 = 12,500. 1 x 12.5 = 12.5 10 x 12.5 = 125. 100 x 12.5 = 1,250.

4. ThousandsHundredsTensOnesTenthsHundredthsThousandths0 1 x 10 = 10 321 X 10 Multiplying by 10 means every digit must move left by 1 place 321 300 X 10 = 3,00020 X 10 = 200 Fill in the empty space in the ones place with a zero. 320 X 10 = 3,210

5. .5 x 100 = 50 ThousandsHundredsTensOnesTenthsHundredthsThousandths 34.592 X 100 Multiplying by 100 means every digit must move left by 2 places 345 4 X 100 = 400 30 X 100 = 3,000 34.592 X 100 = 3,459.2 9.09 x 100 = 9 2.002 x 100 =.2

6. 32.6 ÷ 10,000 = 0.00326 32.6 ÷ 1 = 32.6 32.6 ÷ 10 = 3.26 32.6 ÷ 100 = 0.326 32.6 ÷ 1,000 = 0.0326

7. ThousandsHundredsTensOnesTenthsHundredthsThousandths1 1 ÷ 10 =.1 431 ÷ 10 Dividing by 10 means every digit must move right by 1 places 43 400 ÷ 10 = 4030 ÷ 10 = 3 431 ÷ 10 = 43.1

8. ThousandsHundredsTensOnesTenthsHundredthsThousandths6.6 ÷ 10 =.006 79.6 ÷ 100 Dividing by 100 means every digit must move right by 2 places 79 70 ÷ 100 =.79 ÷ 100 =.09 79.6 ÷ 100 =.796

9. ThousandsHundredsTensOnesTenthsHundredthsThousandths5 5 ÷ 10 =.5 985 ÷ 10 Dividing by 10 means every digit must move right by 1 places 98 900 ÷ 10 = 90 80 ÷ 10 = 8 985 ÷ 10 = 98.5

10. ThousandsHundredsTensOnesTenthsHundredthsThousandths2.2 ÷ 10 =.002 43.2 ÷ 100 Dividing by 100 means every digit must move right by 2 places 43 40 ÷ 100 =.4 3 ÷ 100 =.03 43.2 ÷ 100 =.432

11. 1. 101 ÷ 10 = 2. 13 ÷ 100 = 3. 642.8 ÷ 100 = 4. 128.89 ÷ 10 = 5. 62 ÷ 1000 = 10.1 0.13 6.428 12.889 0.062

12. 6. 64.22 ÷ 10 = 7. 486.283 ÷ 10 = 8. 89464 ÷ 100 = 9. 2486.621 ÷ 10 = 10. 1 ÷ 1000 = 0.0001 248.6621 6.422 48.6283 894.64

13. 6 4. 2 ) 2 4 06 4 - 2 4 6 42 - 0. Divide.

14. 8 0. 1 1 32 00 6 - 2 0 5 92 - 8. Divide. Round the quotient to the nearest tenth. 0 0 0 6 6 1 )

15. 3 0. 1 ) 1 20 00 - 1 0 6 01 -. 0 0 5 Divide. Add zeros to the dividend to avoid a remainder. 0 0

16. 7 8. 1 ) 1 3 05 5 - 2 8 9 72 - 1. 0 0 3 9 - 1 Divide. Round the quotient to the nearest tenth.

17. 7 7.. 3 ) 3 6 06 6 - 1 7 2 2 1 - 5 0 0 8 48 - 2 0 0 3 Divide. Round the quotient to the nearest hundredth.