← 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 397 · 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. 1.4/9 × 1/6 =
  2. 2.3/8 × 1/3 =
  3. 3.4/5 ÷ 2/5 =
  4. 4.12 ÷ 8 =
  5. 5.2/3 × 3/5 =
  6. 6.5/8 × 1/2 =
  7. 7.1/7 × 1/4 =
  8. 8.One packet of rice weighs 9.3 kg. How many kg do 2 of them make in all? =
  9. 9.2/3 × 9 =
  10. 10.4.8 ÷ 0.8 =
  11. 11.5/9 × 1/2 =
  12. 12.One bottle of oil holds 4.9 L. How many L do 3 of them make in all? =
  13. 13.2/7 × 14 =
  14. 14.2.4 ÷ 0.3 =
  15. 15.One roll of ribbon has 6.1 m. How many m do 6 of them make in all? =
  16. 16.9.9 ÷ 0.9 =
  17. 17.6/7 × 4 =
  18. 18.8/9 × 1/7 =
  19. 19.7.8 × 0.6 =
  20. 20.1 ÷ 0.2 =
  21. 21.One bag of potatoes weighs 1.5 kg. How many kg do 4 of them make in all? =
  22. 22.5/8 × 10 =
  23. 23.One jug of milk holds 8.2 L. How many L do 9 of them make in all? =
  24. 24.9.4 × 0.8 =
  25. 25.One bottle of oil holds 9.6 L. How many L do 3 of them make in all? =
  26. 26.One bag of potatoes weighs 9.6 kg. How many kg do 9 of them make in all? =
  27. 27.13.16 ÷ 2 =
  28. 28.5/9 × 1/3 =
  29. 29.4/7 ÷ 2/5 =
  30. 30.7.74 ÷ 2 =
  31. 31.One bottle of oil holds 4.8 L. How many L do 9 of them make in all? =
  32. 32.1/4 × 3/8 =
  33. 33.2/5 × 5/9 =
  34. 34.2.7 ÷ 0.3 =
  35. 35.3/4 × 3 =
  36. 36.1.2 ÷ 0.4 =
  37. 37.One packet of rice weighs 1.3 kg. How many kg do 8 of them make in all? =
  38. 38.3/4 × 7 =
  39. 39.6.6 × 0.7 =
  40. 40.1/3 × 13 =

Answer key

  1. 2/27
  2. 1/8
  3. 2
  4. 1.5
  5. 2/5
  6. 5/16
  7. 1/28
  8. 18.6
  9. 6
  10. 6
  11. 5/18
  12. 14.7
  13. 4
  14. 8
  15. 36.6
  16. 11
  17. 24/7
  18. 8/63
  19. 4.68
  20. 5
  21. 6
  22. 25/4
  23. 73.8
  24. 7.52
  25. 28.8
  26. 86.4
  27. 6.58
  28. 5/27
  29. 10/7
  30. 3.87
  31. 43.2
  32. 3/32
  33. 2/9
  34. 9
  35. 9/4
  36. 3
  37. 10.4
  38. 21/4
  39. 4.62
  40. 13/3

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