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Class 5 Maths Worksheet: Decimals

Maths worksheets lesson 36: Decimals · Set 309 · 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. 1.88.5 ÷ 100 =
  2. 2.16.48 × 10 =
  3. 3.A red ribbon is 7.1 m long and a blue ribbon is 4 m long. How much longer is the red ribbon (in m)? =
  4. 4.94.06 × 100 =
  5. 5.0.2 + 7 =
  6. 6.88.16 × 10 =
  7. 7.7.14 + 0.94 =
  8. 8.1.45 + 2.2 =
  9. 9.4.9 + 0.6 =
  10. 10.A red ribbon is 7.5 m long and a blue ribbon is 3.4 m long. What is their total length (in m)? =
  11. 11.11.36 − 2.7 =
  12. 12.In 91.74, which digit is in the ones place?
  13. 13.2.8 − 1.58 =
  14. 14.In 17.21, which digit is in the hundredths place?
  15. 15.7.2 + 0.9 =
  16. 16.9.75 + 3.15 =
  17. 17.6.5 ÷ 100 =
  18. 18.1 + 3.5 =
  19. 19.In 99.14, which digit is in the ones place?
  20. 20.In 5.65, which digit is in the ones place?
  21. 21.A red ribbon is 3.2 m long and a blue ribbon is 2.2 m long. How much longer is the red ribbon (in m)? =
  22. 22.4.27 + 0.48 =
  23. 23.7 + 3.7 =
  24. 24.3.89 + 5.27 =
  25. 25.Write 70/100 as a decimal. =
  26. 26.In 91.15, which digit is in the ones place?
  27. 27.A red ribbon is 1.3 m long and a blue ribbon is 4.7 m long. What is their total length (in m)? =
  28. 28.In 22.98, which digit is in the ones place?
  29. 29.5 + 7.4 =
  30. 30.5.9 + 8.1 =
  31. 31.17.46 − 7.5 =
  32. 32.A red ribbon is 10.7 m long and a blue ribbon is 9.9 m long. How much longer is the red ribbon (in m)? =
  33. 33.3 + 2.8 =
  34. 34.Write 2/10 as a decimal. =
  35. 35.4.98 − 1.8 =
  36. 36.9.68 + 2.97 =
  37. 37.9.48 + 0.93 =
  38. 38.In 46.17, which digit is in the ones place?
  39. 39.91.4 ÷ 100 =
  40. 40.In 39.26, which digit is in the ones place?

Answer key

  1. 0.885
  2. 164.8
  3. 3.1
  4. 9406
  5. 7.2
  6. 881.6
  7. 8.08
  8. 3.65
  9. 5.5
  10. 10.9
  11. 8.66
  12. 1
  13. 1.22
  14. 1
  15. 8.1
  16. 12.9
  17. 0.065
  18. 4.5
  19. 9
  20. 5
  21. 1
  22. 4.75
  23. 10.7
  24. 9.16
  25. 0.7
  26. 1
  27. 6
  28. 2
  29. 12.4
  30. 14
  31. 9.96
  32. 0.8
  33. 5.8
  34. 0.2
  35. 3.18
  36. 12.65
  37. 10.41
  38. 6
  39. 0.914
  40. 9

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