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Class 7 Maths Worksheet: Fractions and Decimals

Maths worksheets lesson 50: Fractions and decimals: multiply and divide · Set 430 · 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. 1.1/4 × 5/9 =
  2. 2.18.36 ÷ 4 =
  3. 3.9.7 × 0.9 =
  4. 4.One jug of milk holds 3 L. How many L do 4 of them make in all? =
  5. 5.One jug of milk holds 2.9 L. How many L do 2 of them make in all? =
  6. 6.2.5 × 0.7 =
  7. 7.One bottle of oil holds 3.5 L. How many L do 4 of them make in all? =
  8. 8.3/5 × 4/7 =
  9. 9.2/9 ÷ 1/2 =
  10. 10.One packet of rice weighs 6.8 kg. How many kg do 6 of them make in all? =
  11. 11.3.32 ÷ 2 =
  12. 12.2 ÷ 0.2 =
  13. 13.8/9 × 2/7 =
  14. 14.0.1 × 0.5 =
  15. 15.7/8 × 5/9 =
  16. 16.1/3 × 5 =
  17. 17.2/9 × 2 =
  18. 18.13.96 ÷ 4 =
  19. 19.5/8 × 5/7 =
  20. 20.0.7 × 0.2 =
  21. 21.10.8 ÷ 0.9 =
  22. 22.10.58 ÷ 2 =
  23. 23.5/6 × 2/5 =
  24. 24.One bottle of oil holds 4.3 L. How many L do 11 of them make in all? =
  25. 25.6/7 ÷ 3/5 =
  26. 26.4/7 × 14 =
  27. 27.One bottle of oil holds 5.9 L. How many L do 8 of them make in all? =
  28. 28.One jug of milk holds 9.1 L. How many L do 5 of them make in all? =
  29. 29.3.6 × 0.3 =
  30. 30.7.1 × 0.7 =
  31. 31.6.56 ÷ 2 =
  32. 32.1.5 ÷ 0.5 =
  33. 33.One bag of potatoes weighs 2 kg. How many kg do 7 of them make in all? =
  34. 34.2/9 × 14 =
  35. 35.1/9 × 3/8 =
  36. 36.4/7 × 4 =
  37. 37.1/3 ÷ 3/7 =
  38. 38.1/3 × 3 =
  39. 39.7/8 ÷ 1/3 =
  40. 40.0.9 ÷ 0.3 =

Answer key

  1. 5/36
  2. 4.59
  3. 8.73
  4. 12
  5. 5.8
  6. 1.75
  7. 14
  8. 12/35
  9. 4/9
  10. 40.8
  11. 1.66
  12. 10
  13. 16/63
  14. 0.05
  15. 35/72
  16. 5/3
  17. 4/9
  18. 3.49
  19. 25/56
  20. 0.14
  21. 12
  22. 5.29
  23. 1/3
  24. 47.3
  25. 10/7
  26. 8
  27. 47.2
  28. 45.5
  29. 1.08
  30. 4.97
  31. 3.28
  32. 3
  33. 14
  34. 28/9
  35. 1/24
  36. 16/7
  37. 7/9
  38. 1
  39. 21/8
  40. 3

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