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Class 5 Maths Worksheet: Decimals

Maths worksheets lesson 36: Decimals · Set 100 · 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 1.9 m long and a blue ribbon is 8.5 m long. What is their total length (in m)? =
  2. 2.6.05 × 100 =
  3. 3.69.8 ÷ 100 =
  4. 4.72.8 ÷ 100 =
  5. 5.Write 3/10 as a decimal. =
  6. 6.A red ribbon is 5.3 m long and a blue ribbon is 3.3 m long. How much longer is the red ribbon (in m)? =
  7. 7.88.5 ÷ 10 =
  8. 8.Write 8/10 as a decimal. =
  9. 9.99.86 × 10 =
  10. 10.Write 7/10 as a decimal. =
  11. 11.A red ribbon is 2.7 m long and a blue ribbon is 2 m long. How much longer is the red ribbon (in m)? =
  12. 12.63.52 × 10 =
  13. 13.Write 20/100 as a decimal. =
  14. 14.In 62.73, which digit is in the hundredths place?
  15. 15.Write 39/100 as a decimal. =
  16. 16.23.8 ÷ 10 =
  17. 17.6.4 + 8.2 =
  18. 18.A red ribbon is 3.2 m long and a blue ribbon is 5.6 m long. What is their total length (in m)? =
  19. 19.A red ribbon is 4.9 m long and a blue ribbon is 3.9 m long. How much longer is the red ribbon (in m)? =
  20. 20.In 33.92, which digit is in the ones place?
  21. 21.2.27 + 8.2 =
  22. 22.89.24 × 100 =
  23. 23.73.5 ÷ 10 =
  24. 24.In 64.62, which digit is in the hundredths place?
  25. 25.4.9 ÷ 100 =
  26. 26.24.2 ÷ 100 =
  27. 27.78.1 ÷ 100 =
  28. 28.32.04 × 10 =
  29. 29.In 44.28, which digit is in the hundredths place?
  30. 30.A red ribbon is 2 m long and a blue ribbon is 3.5 m long. What is their total length (in m)? =
  31. 31.6.1 + 6 =
  32. 32.Write 5/10 as a decimal. =
  33. 33.0.7 + 8.7 =
  34. 34.In 95.33, which digit is in the ones place?
  35. 35.10.3 − 6.1 =
  36. 36.A red ribbon is 8.1 m long and a blue ribbon is 2.4 m long. What is their total length (in m)? =
  37. 37.1.6 ÷ 10 =
  38. 38.In 4.41, which digit is in the ones place?
  39. 39.Write 1/10 as a decimal. =
  40. 40.87.61 × 100 =

Answer key

  1. 10.4
  2. 605
  3. 0.698
  4. 0.728
  5. 0.3
  6. 2
  7. 8.85
  8. 0.8
  9. 998.6
  10. 0.7
  11. 0.7
  12. 635.2
  13. 0.2
  14. 3
  15. 0.39
  16. 2.38
  17. 14.6
  18. 8.8
  19. 1
  20. 3
  21. 10.47
  22. 8924
  23. 7.35
  24. 2
  25. 0.049
  26. 0.242
  27. 0.781
  28. 320.4
  29. 8
  30. 5.5
  31. 12.1
  32. 0.5
  33. 9.4
  34. 5
  35. 4.2
  36. 10.5
  37. 0.16
  38. 4
  39. 0.1
  40. 8761

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