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Class 5 Maths Worksheet: Decimals

Maths worksheets lesson 36: Decimals · Set 506 · 40 sums
TalentJR

The method (Points in a line): Tenths: 1st digit after the point. Hundredths: 2nd digit. Add or subtract: line up the points, fill gaps with 0, work as whole numbers. × 10 → point 1 place right; × 100 → 2 places right. ÷ 10 and ÷ 100 move it left. Write answers without extra zeros: 4.50 → 4.5.

NameDateTime takenScore ___ / 40
  1. 1.7.2 − 0.9 =
  2. 2.3.45 + 3.6 =
  3. 3.In 27.28, which digit is in the tenths place?
  4. 4.In 2.33, which digit is in the tenths place?
  5. 5.16.51 − 7.31 =
  6. 6.In 46.47, which digit is in the hundredths place?
  7. 7.61.95 × 10 =
  8. 8.17.22 × 100 =
  9. 9.0.19 + 8.39 =
  10. 10.Write 1/10 as a decimal. =
  11. 11.67.1 ÷ 10 =
  12. 12.In 69.88, which digit is in the ones place?
  13. 13.27.1 ÷ 10 =
  14. 14.A red ribbon is 6.5 m long and a blue ribbon is 3.4 m long. What is their total length (in m)? =
  15. 15.9.77 − 8.17 =
  16. 16.6.1 + 5.87 =
  17. 17.A red ribbon is 3.9 m long and a blue ribbon is 6.9 m long. What is their total length (in m)? =
  18. 18.87.39 × 10 =
  19. 19.7.46 − 1.46 =
  20. 20.3.1 + 3.17 =
  21. 21.In 29.18, which digit is in the ones place?
  22. 22.In 83.73, which digit is in the tenths place?
  23. 23.In 23.76, which digit is in the hundredths place?
  24. 24.5.4 + 1.17 =
  25. 25.10.24 − 5.21 =
  26. 26.Write 95/100 as a decimal. =
  27. 27.A red ribbon is 1.9 m long and a blue ribbon is 1.7 m long. How much longer is the red ribbon (in m)? =
  28. 28.Write 2/10 as a decimal. =
  29. 29.7.5 − 2.4 =
  30. 30.Write 29/100 as a decimal. =
  31. 31.A red ribbon is 8.6 m long and a blue ribbon is 7.8 m long. How much longer is the red ribbon (in m)? =
  32. 32.54.23 × 10 =
  33. 33.19.12 × 10 =
  34. 34.2.8 − 1 =
  35. 35.1.6 + 2.08 =
  36. 36.A red ribbon is 8.2 m long and a blue ribbon is 3 m long. What is their total length (in m)? =
  37. 37.Write 6/10 as a decimal. =
  38. 38.A red ribbon is 2 m long and a blue ribbon is 1.7 m long. How much longer is the red ribbon (in m)? =
  39. 39.64 ÷ 100 =
  40. 40.20.04 × 100 =

Answer key

  1. 6.3
  2. 7.05
  3. 2
  4. 3
  5. 9.2
  6. 7
  7. 619.5
  8. 1722
  9. 8.58
  10. 0.1
  11. 6.71
  12. 9
  13. 2.71
  14. 9.9
  15. 1.6
  16. 11.97
  17. 10.8
  18. 873.9
  19. 6
  20. 6.27
  21. 9
  22. 7
  23. 6
  24. 6.57
  25. 5.03
  26. 0.95
  27. 0.2
  28. 0.2
  29. 5.1
  30. 0.29
  31. 0.8
  32. 542.3
  33. 191.2
  34. 1.8
  35. 3.68
  36. 11.2
  37. 0.6
  38. 0.3
  39. 0.64
  40. 2004

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