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Class 5 Maths Worksheet: Decimals

Maths worksheets lesson 36: Decimals · Set 223 · 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.In 23.59, which digit is in the ones place?
  2. 2.59.84 × 10 =
  3. 3.7.66 − 7.31 =
  4. 4.88.53 × 100 =
  5. 5.A red ribbon is 12.8 m long and a blue ribbon is 9.7 m long. How much longer is the red ribbon (in m)? =
  6. 6.5.89 − 1.06 =
  7. 7.10.47 − 5.3 =
  8. 8.8.9 + 3.5 =
  9. 9.4.93 − 1.13 =
  10. 10.8.9 − 2.1 =
  11. 11.A red ribbon is 6.3 m long and a blue ribbon is 1.5 m long. What is their total length (in m)? =
  12. 12.In 21.89, which digit is in the ones place?
  13. 13.4.7 + 7.23 =
  14. 14.In 21.79, which digit is in the hundredths place?
  15. 15.9 + 4.3 =
  16. 16.3.04 + 9.91 =
  17. 17.9.45 − 4.61 =
  18. 18.A red ribbon is 9.2 m long and a blue ribbon is 8.6 m long. How much longer is the red ribbon (in m)? =
  19. 19.7.3 + 4.04 =
  20. 20.In 91.77, which digit is in the hundredths place?
  21. 21.A red ribbon is 8.5 m long and a blue ribbon is 7.6 m long. How much longer is the red ribbon (in m)? =
  22. 22.In 78.97, which digit is in the ones place?
  23. 23.In 28.15, which digit is in the ones place?
  24. 24.A red ribbon is 2.9 m long and a blue ribbon is 8 m long. What is their total length (in m)? =
  25. 25.0.26 + 9.76 =
  26. 26.Write 8/10 as a decimal. =
  27. 27.9 + 5.1 =
  28. 28.50.2 ÷ 100 =
  29. 29.24.21 × 100 =
  30. 30.8.6 + 3 =
  31. 31.Write 39/100 as a decimal. =
  32. 32.10.46 − 1.06 =
  33. 33.In 83.61, which digit is in the tenths place?
  34. 34.36.3 ÷ 10 =
  35. 35.2.4 + 6.9 =
  36. 36.A red ribbon is 7.5 m long and a blue ribbon is 6 m long. How much longer is the red ribbon (in m)? =
  37. 37.A red ribbon is 2.4 m long and a blue ribbon is 8.7 m long. What is their total length (in m)? =
  38. 38.A red ribbon is 10.9 m long and a blue ribbon is 9.2 m long. How much longer is the red ribbon (in m)? =
  39. 39.5.2 ÷ 10 =
  40. 40.9.78 + 2.8 =

Answer key

  1. 3
  2. 598.4
  3. 0.35
  4. 8853
  5. 3.1
  6. 4.83
  7. 5.17
  8. 12.4
  9. 3.8
  10. 6.8
  11. 7.8
  12. 1
  13. 11.93
  14. 9
  15. 13.3
  16. 12.95
  17. 4.84
  18. 0.6
  19. 11.34
  20. 7
  21. 0.9
  22. 8
  23. 8
  24. 10.9
  25. 10.02
  26. 0.8
  27. 14.1
  28. 0.502
  29. 2421
  30. 11.6
  31. 0.39
  32. 9.4
  33. 6
  34. 3.63
  35. 9.3
  36. 1.5
  37. 11.1
  38. 1.7
  39. 0.52
  40. 12.58

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