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Class 7 Maths Worksheet: Fractions and Decimals

Maths worksheets lesson 50: Fractions and decimals: multiply and divide · Set 138 · 40 sums
TalentJR

The method (Flip and multiply): a/b × c/d = (a × c)/(b × d), then simplify. A whole number n is n/1. a/b ÷ c/d = a/b × d/c. Decimal × decimal: multiply as whole numbers; the answer has as many decimal places as both numbers together — 1.2 × 0.3 = 0.36. Decimal ÷ decimal: multiply both by 10 (or 100) first — 2.4 ÷ 0.6 = 24 ÷ 6 = 4.

NameDateTime takenScore ___ / 40
  1. 1.2.7 × 0.7 =
  2. 2.1/9 × 9 =
  3. 3.15.06 ÷ 2 =
  4. 4.2/5 × 3/4 =
  5. 5.7.4 × 0.6 =
  6. 6.2/3 × 1/4 =
  7. 7.2.6 × 0.5 =
  8. 8.8.7 × 0.4 =
  9. 9.21.68 ÷ 4 =
  10. 10.1.4 ÷ 0.7 =
  11. 11.5.8 × 0.4 =
  12. 12.70.88 ÷ 8 =
  13. 13.24.55 ÷ 5 =
  14. 14.One roll of ribbon has 4.7 m. How many m do 11 of them make in all? =
  15. 15.5/6 × 11 =
  16. 16.5/6 × 3/4 =
  17. 17.7/8 × 10 =
  18. 18.8.1 ÷ 0.9 =
  19. 19.1/4 × 2 =
  20. 20.3/5 × 12 =
  21. 21.8.3 × 0.4 =
  22. 22.52.96 ÷ 8 =
  23. 23.3 ÷ 0.5 =
  24. 24.1 ÷ 0.2 =
  25. 25.6/7 × 9 =
  26. 26.3/8 × 10 =
  27. 27.1/5 × 2/5 =
  28. 28.2/7 × 1/2 =
  29. 29.24.88 ÷ 4 =
  30. 30.11.1 ÷ 2 =
  31. 31.1.7 × 0.2 =
  32. 32.5/7 × 3 =
  33. 33.3.6 ÷ 0.9 =
  34. 34.1/5 × 9 =
  35. 35.4.7 × 0.4 =
  36. 36.8 ÷ 0.8 =
  37. 37.3.28 ÷ 8 =
  38. 38.2/3 × 13 =
  39. 39.4/9 × 7/9 =
  40. 40.7/8 × 2 =

Answer key

  1. 1.89
  2. 1
  3. 7.53
  4. 3/10
  5. 4.44
  6. 1/6
  7. 1.3
  8. 3.48
  9. 5.42
  10. 2
  11. 2.32
  12. 8.86
  13. 4.91
  14. 51.7
  15. 55/6
  16. 5/8
  17. 35/4
  18. 9
  19. 1/2
  20. 36/5
  21. 3.32
  22. 6.62
  23. 6
  24. 5
  25. 54/7
  26. 15/4
  27. 2/25
  28. 1/7
  29. 6.22
  30. 5.55
  31. 0.34
  32. 15/7
  33. 4
  34. 9/5
  35. 1.88
  36. 10
  37. 0.41
  38. 26/3
  39. 28/81
  40. 7/4

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