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Class 5 Maths Worksheet: Decimals

Maths worksheets lesson 36: Decimals · Set 156 · 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. 1.79.09 × 10 =
  2. 2.78.86 × 10 =
  3. 3.51.96 × 100 =
  4. 4.10.5 − 9.5 =
  5. 5.27 ÷ 100 =
  6. 6.In 22.92, which digit is in the ones place?
  7. 7.In 82.99, which digit is in the tenths place?
  8. 8.In 23.55, which digit is in the tenths place?
  9. 9.23.97 × 100 =
  10. 10.53.12 × 10 =
  11. 11.A red ribbon is 9 m long and a blue ribbon is 7.7 m long. How much longer is the red ribbon (in m)? =
  12. 12.99.45 × 100 =
  13. 13.8.54 − 5.37 =
  14. 14.In 62.42, which digit is in the ones place?
  15. 15.14.75 − 6.65 =
  16. 16.A red ribbon is 3.9 m long and a blue ribbon is 5 m long. What is their total length (in m)? =
  17. 17.A red ribbon is 11.7 m long and a blue ribbon is 8.7 m long. How much longer is the red ribbon (in m)? =
  18. 18.6.3 + 8.3 =
  19. 19.In 22.12, which digit is in the tenths place?
  20. 20.In 26.63, which digit is in the ones place?
  21. 21.Write 3/10 as a decimal. =
  22. 22.99.7 ÷ 10 =
  23. 23.9.7 ÷ 10 =
  24. 24.Write 73/100 as a decimal. =
  25. 25.24.5 ÷ 100 =
  26. 26.In 11.27, which digit is in the tenths place?
  27. 27.35 ÷ 100 =
  28. 28.99.38 × 10 =
  29. 29.2.59 − 2.39 =
  30. 30.99.3 ÷ 10 =
  31. 31.Write 64/100 as a decimal. =
  32. 32.A red ribbon is 9.9 m long and a blue ribbon is 8.7 m long. What is their total length (in m)? =
  33. 33.A red ribbon is 7.1 m long and a blue ribbon is 1.2 m long. What is their total length (in m)? =
  34. 34.10.81 − 5.55 =
  35. 35.52.93 × 10 =
  36. 36.Write 6/10 as a decimal. =
  37. 37.9.59 + 6.29 =
  38. 38.7.89 + 9.7 =
  39. 39.0.5 + 1.1 =
  40. 40.11.6 − 9.2 =

Answer key

  1. 790.9
  2. 788.6
  3. 5196
  4. 1
  5. 0.27
  6. 2
  7. 9
  8. 5
  9. 2397
  10. 531.2
  11. 1.3
  12. 9945
  13. 3.17
  14. 2
  15. 8.1
  16. 8.9
  17. 3
  18. 14.6
  19. 1
  20. 6
  21. 0.3
  22. 9.97
  23. 0.97
  24. 0.73
  25. 0.245
  26. 2
  27. 0.35
  28. 993.8
  29. 0.2
  30. 9.93
  31. 0.64
  32. 18.6
  33. 8.3
  34. 5.26
  35. 529.3
  36. 0.6
  37. 15.88
  38. 17.59
  39. 1.6
  40. 2.4

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