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Class 5 Maths Worksheet: Decimals

Maths worksheets lesson 36: Decimals · Set 183 · 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. 1.3 + 3.51 =
  2. 2.1.2 ÷ 100 =
  3. 3.25.9 × 100 =
  4. 4.1.66 + 6.79 =
  5. 5.10.77 − 5.8 =
  6. 6.A red ribbon is 7.6 m long and a blue ribbon is 3.4 m long. What is their total length (in m)? =
  7. 7.66.28 × 100 =
  8. 8.5.49 + 5.2 =
  9. 9.In 82.17, which digit is in the hundredths place?
  10. 10.7.94 + 7.6 =
  11. 11.In 48.52, which digit is in the tenths place?
  12. 12.3.48 + 3.05 =
  13. 13.4.35 − 3.3 =
  14. 14.3.82 − 1.8 =
  15. 15.Write 7/10 as a decimal. =
  16. 16.A red ribbon is 9 m long and a blue ribbon is 9.3 m long. What is their total length (in m)? =
  17. 17.A red ribbon is 8.5 m long and a blue ribbon is 5.5 m long. How much longer is the red ribbon (in m)? =
  18. 18.Write 31/100 as a decimal. =
  19. 19.25.4 ÷ 100 =
  20. 20.A red ribbon is 7.4 m long and a blue ribbon is 4.1 m long. How much longer is the red ribbon (in m)? =
  21. 21.3.1 − 2.2 =
  22. 22.Write 9/10 as a decimal. =
  23. 23.A red ribbon is 9 m long and a blue ribbon is 8.6 m long. How much longer is the red ribbon (in m)? =
  24. 24.In 33.36, which digit is in the hundredths place?
  25. 25.6.4 + 5 =
  26. 26.A red ribbon is 7.6 m long and a blue ribbon is 4.3 m long. How much longer is the red ribbon (in m)? =
  27. 27.96.13 × 10 =
  28. 28.Write 96/100 as a decimal. =
  29. 29.10.64 − 7.82 =
  30. 30.14.5 ÷ 10 =
  31. 31.Write 22/100 as a decimal. =
  32. 32.7.57 + 3.4 =
  33. 33.In 74.34, which digit is in the hundredths place?
  34. 34.38.3 ÷ 100 =
  35. 35.In 1.14, which digit is in the tenths place?
  36. 36.9.1 − 5.7 =
  37. 37.8.17 + 8.2 =
  38. 38.In 36.19, which digit is in the ones place?
  39. 39.3.8 + 2.73 =
  40. 40.Write 2/10 as a decimal. =

Answer key

  1. 6.51
  2. 0.012
  3. 2590
  4. 8.45
  5. 4.97
  6. 11
  7. 6628
  8. 10.69
  9. 7
  10. 15.54
  11. 5
  12. 6.53
  13. 1.05
  14. 2.02
  15. 0.7
  16. 18.3
  17. 3
  18. 0.31
  19. 0.254
  20. 3.3
  21. 0.9
  22. 0.9
  23. 0.4
  24. 6
  25. 11.4
  26. 3.3
  27. 961.3
  28. 0.96
  29. 2.82
  30. 1.45
  31. 0.22
  32. 10.97
  33. 4
  34. 0.383
  35. 1
  36. 3.4
  37. 16.37
  38. 6
  39. 6.53
  40. 0.2

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