← Fractions and decimals: multiply and divide lesson New set →

Class 7 Maths Worksheet: Fractions and Decimals

Maths worksheets lesson 50: Fractions and decimals: multiply and divide · Set 534 · 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. 1.4.2 ÷ 0.7 =
  2. 2.1.8 ÷ 0.9 =
  3. 3.6.3 × 0.8 =
  4. 4.0.1 × 0.5 =
  5. 5.2/7 × 8 =
  6. 6.3 ÷ 0.3 =
  7. 7.1/4 × 11 =
  8. 8.4/9 ÷ 7/8 =
  9. 9.3.6 ÷ 0.9 =
  10. 10.3.2 × 0.2 =
  11. 11.3/7 × 1/5 =
  12. 12.1.4 ÷ 0.2 =
  13. 13.2/7 × 10 =
  14. 14.1/2 × 11 =
  15. 15.7/8 × 4/9 =
  16. 16.27.76 ÷ 8 =
  17. 17.3/4 × 5/6 =
  18. 18.One bag of potatoes weighs 2.7 kg. How many kg do 11 of them make in all? =
  19. 19.1/9 × 14 =
  20. 20.10.32 ÷ 8 =
  21. 21.1/9 × 13 =
  22. 22.1/4 × 5/9 =
  23. 23.2/3 × 2 =
  24. 24.1/9 × 15 =
  25. 25.7/9 × 1/8 =
  26. 26.3/7 × 14 =
  27. 27.8/9 × 1/5 =
  28. 28.2/7 × 4/7 =
  29. 29.4/5 × 4/9 =
  30. 30.1/4 ÷ 1/9 =
  31. 31.1/9 ÷ 1/8 =
  32. 32.8.96 ÷ 8 =
  33. 33.18.8 ÷ 2 =
  34. 34.9.5 × 0.5 =
  35. 35.1.9 × 0.5 =
  36. 36.1/4 × 15 =
  37. 37.One roll of ribbon has 6.2 m. How many m do 10 of them make in all? =
  38. 38.3 ÷ 0.6 =
  39. 39.3/7 × 1/3 =
  40. 40.1/9 × 5/7 =

Answer key

  1. 6
  2. 2
  3. 5.04
  4. 0.05
  5. 16/7
  6. 10
  7. 11/4
  8. 32/63
  9. 4
  10. 0.64
  11. 3/35
  12. 7
  13. 20/7
  14. 11/2
  15. 7/18
  16. 3.47
  17. 5/8
  18. 29.7
  19. 14/9
  20. 1.29
  21. 13/9
  22. 5/36
  23. 4/3
  24. 5/3
  25. 7/72
  26. 6
  27. 8/45
  28. 8/49
  29. 16/45
  30. 9/4
  31. 8/9
  32. 1.12
  33. 9.4
  34. 4.75
  35. 0.95
  36. 15/4
  37. 62
  38. 5
  39. 1/7
  40. 5/63

Free maths worksheets lessons, practice and worksheets at talentjr.in/maths-worksheets