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Class 7 Maths Worksheet: Fractions and Decimals

Maths worksheets lesson 50: Fractions and decimals: multiply and divide · Set 156 · 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. 1.3.6 × 0.4 =
  2. 2.7.8 × 0.7 =
  3. 3.1.7 × 0.5 =
  4. 4.1/2 ÷ 2/3 =
  5. 5.One packet of rice weighs 8.5 kg. How many kg do 9 of them make in all? =
  6. 6.One roll of ribbon has 9.9 m. How many m do 3 of them make in all? =
  7. 7.45.15 ÷ 5 =
  8. 8.One packet of rice weighs 5.7 kg. How many kg do 6 of them make in all? =
  9. 9.42.16 ÷ 8 =
  10. 10.2.6 ÷ 2 =
  11. 11.2/7 × 5/9 =
  12. 12.0.9 × 0.7 =
  13. 13.2/9 ÷ 2/7 =
  14. 14.7.08 ÷ 4 =
  15. 15.1/2 ÷ 3/5 =
  16. 16.1/5 × 8 =
  17. 17.14.04 ÷ 2 =
  18. 18.8/9 × 1/7 =
  19. 19.9.4 × 0.7 =
  20. 20.3/4 ÷ 2/5 =
  21. 21.38.2 ÷ 4 =
  22. 22.1.4 ÷ 0.7 =
  23. 23.One packet of rice weighs 7.3 kg. How many kg do 3 of them make in all? =
  24. 24.9 ÷ 0.9 =
  25. 25.2/7 × 14 =
  26. 26.7/8 × 8 =
  27. 27.37.92 ÷ 8 =
  28. 28.One roll of ribbon has 5.5 m. How many m do 8 of them make in all? =
  29. 29.One packet of rice weighs 5 kg. How many kg do 5 of them make in all? =
  30. 30.1/5 × 5/8 =
  31. 31.4.7 × 0.5 =
  32. 32.7.8 × 0.6 =
  33. 33.One packet of rice weighs 1.5 kg. How many kg do 10 of them make in all? =
  34. 34.3/7 ÷ 1/8 =
  35. 35.One jug of milk holds 4.6 L. How many L do 5 of them make in all? =
  36. 36.0.2 × 0.2 =
  37. 37.5.1 × 0.5 =
  38. 38.One packet of rice weighs 2.8 kg. How many kg do 6 of them make in all? =
  39. 39.2/7 × 6 =
  40. 40.2/3 × 2 =

Answer key

  1. 1.44
  2. 5.46
  3. 0.85
  4. 3/4
  5. 76.5
  6. 29.7
  7. 9.03
  8. 34.2
  9. 5.27
  10. 1.3
  11. 10/63
  12. 0.63
  13. 7/9
  14. 1.77
  15. 5/6
  16. 8/5
  17. 7.02
  18. 8/63
  19. 6.58
  20. 15/8
  21. 9.55
  22. 2
  23. 21.9
  24. 10
  25. 4
  26. 7
  27. 4.74
  28. 44
  29. 25
  30. 1/8
  31. 2.35
  32. 4.68
  33. 15
  34. 24/7
  35. 23
  36. 0.04
  37. 2.55
  38. 16.8
  39. 12/7
  40. 4/3

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