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Class 5 Maths Worksheet: Decimals

Maths worksheets lesson 36: Decimals · Set 450 · 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. 1.39.79 × 10 =
  2. 2.Write 9/100 as a decimal. =
  3. 3.A red ribbon is 3.1 m long and a blue ribbon is 1.7 m long. How much longer is the red ribbon (in m)? =
  4. 4.A red ribbon is 2.2 m long and a blue ribbon is 2.1 m long. What is their total length (in m)? =
  5. 5.75.99 × 100 =
  6. 6.10.85 − 2.25 =
  7. 7.66.9 ÷ 100 =
  8. 8.6.49 + 4.07 =
  9. 9.83.2 ÷ 100 =
  10. 10.1.32 + 7.8 =
  11. 11.Write 19/100 as a decimal. =
  12. 12.6.51 × 10 =
  13. 13.56.7 ÷ 10 =
  14. 14.Write 3/10 as a decimal. =
  15. 15.68.89 × 10 =
  16. 16.A red ribbon is 4 m long and a blue ribbon is 3.2 m long. How much longer is the red ribbon (in m)? =
  17. 17.In 92.89, which digit is in the ones place?
  18. 18.In 4.12, which digit is in the ones place?
  19. 19.7.8 − 1.5 =
  20. 20.6.71 − 1.75 =
  21. 21.In 26.24, which digit is in the tenths place?
  22. 22.60.25 × 10 =
  23. 23.10.5 ÷ 10 =
  24. 24.In 63.74, which digit is in the ones place?
  25. 25.A red ribbon is 2.1 m long and a blue ribbon is 5.1 m long. What is their total length (in m)? =
  26. 26.42.94 × 10 =
  27. 27.1.3 + 6.29 =
  28. 28.9.1 + 1 =
  29. 29.71.3 ÷ 10 =
  30. 30.14.27 − 8.97 =
  31. 31.1.4 + 0.8 =
  32. 32.21.1 ÷ 10 =
  33. 33.Write 1/10 as a decimal. =
  34. 34.62.08 × 100 =
  35. 35.In 16.66, which digit is in the hundredths place?
  36. 36.Write 4/10 as a decimal. =
  37. 37.7.1 + 4.8 =
  38. 38.A red ribbon is 1.5 m long and a blue ribbon is 1.4 m long. How much longer is the red ribbon (in m)? =
  39. 39.In 45.81, which digit is in the hundredths place?
  40. 40.A red ribbon is 6 m long and a blue ribbon is 7.1 m long. What is their total length (in m)? =

Answer key

  1. 397.9
  2. 0.09
  3. 1.4
  4. 4.3
  5. 7599
  6. 8.6
  7. 0.669
  8. 10.56
  9. 0.832
  10. 9.12
  11. 0.19
  12. 65.1
  13. 5.67
  14. 0.3
  15. 688.9
  16. 0.8
  17. 2
  18. 4
  19. 6.3
  20. 4.96
  21. 2
  22. 602.5
  23. 1.05
  24. 3
  25. 7.2
  26. 429.4
  27. 7.59
  28. 10.1
  29. 7.13
  30. 5.3
  31. 2.2
  32. 2.11
  33. 0.1
  34. 6208
  35. 6
  36. 0.4
  37. 11.9
  38. 0.1
  39. 1
  40. 13.1

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