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Class 5 Maths Worksheet: Decimals

Maths worksheets lesson 36: Decimals · Set 415 · 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.A red ribbon is 2.8 m long and a blue ribbon is 1.3 m long. What is their total length (in m)? =
  2. 2.9.81 − 6.2 =
  3. 3.79.71 × 100 =
  4. 4.75.2 ÷ 100 =
  5. 5.A red ribbon is 7.1 m long and a blue ribbon is 2.6 m long. How much longer is the red ribbon (in m)? =
  6. 6.A red ribbon is 12.9 m long and a blue ribbon is 8.4 m long. How much longer is the red ribbon (in m)? =
  7. 7.In 72.26, which digit is in the tenths place?
  8. 8.11.76 − 3.7 =
  9. 9.92.2 ÷ 10 =
  10. 10.A red ribbon is 12.1 m long and a blue ribbon is 8.1 m long. How much longer is the red ribbon (in m)? =
  11. 11.10.56 × 10 =
  12. 12.68.68 × 10 =
  13. 13.Write 88/100 as a decimal. =
  14. 14.Write 9/10 as a decimal. =
  15. 15.In 11.54, which digit is in the ones place?
  16. 16.5.54 + 9.84 =
  17. 17.2.2 + 1.37 =
  18. 18.6.64 − 3.6 =
  19. 19.9.64 × 100 =
  20. 20.39.5 ÷ 10 =
  21. 21.7.66 − 0.86 =
  22. 22.79.66 × 100 =
  23. 23.6.59 × 100 =
  24. 24.3.65 × 100 =
  25. 25.45.36 × 10 =
  26. 26.53.5 ÷ 10 =
  27. 27.76.67 × 100 =
  28. 28.Write 60/100 as a decimal. =
  29. 29.In 18.21, which digit is in the tenths place?
  30. 30.8.1 − 6.4 =
  31. 31.9.6 × 100 =
  32. 32.A red ribbon is 8.3 m long and a blue ribbon is 8.9 m long. What is their total length (in m)? =
  33. 33.93.5 ÷ 10 =
  34. 34.A red ribbon is 5.1 m long and a blue ribbon is 4.6 m long. What is their total length (in m)? =
  35. 35.Write 50/100 as a decimal. =
  36. 36.8.92 − 2.32 =
  37. 37.Write 32/100 as a decimal. =
  38. 38.5.83 + 9.8 =
  39. 39.A red ribbon is 3.2 m long and a blue ribbon is 8.7 m long. What is their total length (in m)? =
  40. 40.A red ribbon is 2.8 m long and a blue ribbon is 1.1 m long. How much longer is the red ribbon (in m)? =

Answer key

  1. 4.1
  2. 3.61
  3. 7971
  4. 0.752
  5. 4.5
  6. 4.5
  7. 2
  8. 8.06
  9. 9.22
  10. 4
  11. 105.6
  12. 686.8
  13. 0.88
  14. 0.9
  15. 1
  16. 15.38
  17. 3.57
  18. 3.04
  19. 964
  20. 3.95
  21. 6.8
  22. 7966
  23. 659
  24. 365
  25. 453.6
  26. 5.35
  27. 7667
  28. 0.6
  29. 2
  30. 1.7
  31. 960
  32. 17.2
  33. 9.35
  34. 9.7
  35. 0.5
  36. 6.6
  37. 0.32
  38. 15.63
  39. 11.9
  40. 1.7

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