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Class 5 Maths Worksheet: Decimals

Maths worksheets lesson 36: Decimals · Set 189 · 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. 1.8.24 + 7.4 =
  2. 2.A red ribbon is 7.7 m long and a blue ribbon is 5.4 m long. How much longer is the red ribbon (in m)? =
  3. 3.In 87.82, which digit is in the tenths place?
  4. 4.A red ribbon is 4.5 m long and a blue ribbon is 3.9 m long. What is their total length (in m)? =
  5. 5.26.5 ÷ 100 =
  6. 6.0.48 + 0.88 =
  7. 7.In 82.87, which digit is in the ones place?
  8. 8.In 63.22, which digit is in the ones place?
  9. 9.A red ribbon is 9.5 m long and a blue ribbon is 2.9 m long. What is their total length (in m)? =
  10. 10.10.3 − 4.6 =
  11. 11.5.63 − 4.89 =
  12. 12.A red ribbon is 3.1 m long and a blue ribbon is 5.6 m long. What is their total length (in m)? =
  13. 13.29.87 × 100 =
  14. 14.In 19.74, which digit is in the tenths place?
  15. 15.In 8.87, which digit is in the ones place?
  16. 16.7.4 ÷ 10 =
  17. 17.12.28 − 9.78 =
  18. 18.In 36.14, which digit is in the hundredths place?
  19. 19.15.19 − 6.19 =
  20. 20.21.5 ÷ 10 =
  21. 21.7.36 + 8.54 =
  22. 22.Write 8/10 as a decimal. =
  23. 23.A red ribbon is 4.4 m long and a blue ribbon is 3.7 m long. What is their total length (in m)? =
  24. 24.7.34 − 5.84 =
  25. 25.8.71 + 1.1 =
  26. 26.59.16 × 100 =
  27. 27.2.31 + 3.6 =
  28. 28.In 17.19, which digit is in the ones place?
  29. 29.In 25.88, which digit is in the hundredths place?
  30. 30.33.3 ÷ 10 =
  31. 31.3.11 × 100 =
  32. 32.A red ribbon is 5.1 m long and a blue ribbon is 4.7 m long. How much longer is the red ribbon (in m)? =
  33. 33.A red ribbon is 6.1 m long and a blue ribbon is 6.9 m long. What is their total length (in m)? =
  34. 34.In 5.83, which digit is in the ones place?
  35. 35.7.41 + 2.02 =
  36. 36.43.9 ÷ 10 =
  37. 37.13.22 − 4.6 =
  38. 38.11.2 − 7.3 =
  39. 39.21.2 ÷ 10 =
  40. 40.4.06 × 10 =

Answer key

  1. 15.64
  2. 2.3
  3. 8
  4. 8.4
  5. 0.265
  6. 1.36
  7. 2
  8. 3
  9. 12.4
  10. 5.7
  11. 0.74
  12. 8.7
  13. 2987
  14. 7
  15. 8
  16. 0.74
  17. 2.5
  18. 4
  19. 9
  20. 2.15
  21. 15.9
  22. 0.8
  23. 8.1
  24. 1.5
  25. 9.81
  26. 5916
  27. 5.91
  28. 7
  29. 8
  30. 3.33
  31. 311
  32. 0.4
  33. 13
  34. 5
  35. 9.43
  36. 4.39
  37. 8.62
  38. 3.9
  39. 2.12
  40. 40.6

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