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Class 5 Maths Worksheet: Decimals

Maths worksheets lesson 36: Decimals · Set 510 · 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 12.8 m long and a blue ribbon is 8.5 m long. How much longer is the red ribbon (in m)? =
  2. 2.A red ribbon is 4.2 m long and a blue ribbon is 3.5 m long. What is their total length (in m)? =
  3. 3.2.69 × 100 =
  4. 4.A red ribbon is 1.5 m long and a blue ribbon is 1.4 m long. How much longer is the red ribbon (in m)? =
  5. 5.89.14 × 10 =
  6. 6.15.6 ÷ 100 =
  7. 7.In 61.22, which digit is in the tenths place?
  8. 8.7 − 3.1 =
  9. 9.9.5 + 7 =
  10. 10.In 18.52, which digit is in the hundredths place?
  11. 11.Write 73/100 as a decimal. =
  12. 12.In 17.19, which digit is in the tenths place?
  13. 13.Write 9/10 as a decimal. =
  14. 14.6.97 − 2.3 =
  15. 15.3.81 + 5.8 =
  16. 16.Write 26/100 as a decimal. =
  17. 17.8.96 − 2.02 =
  18. 18.11.98 − 8.5 =
  19. 19.1.3 + 9.1 =
  20. 20.15.3 ÷ 10 =
  21. 21.1.57 + 4 =
  22. 22.1.5 + 9.25 =
  23. 23.In 21.85, which digit is in the hundredths place?
  24. 24.6.9 − 4.6 =
  25. 25.4.7 + 6.34 =
  26. 26.50.7 ÷ 10 =
  27. 27.80.81 × 10 =
  28. 28.10.92 × 10 =
  29. 29.A red ribbon is 3.3 m long and a blue ribbon is 7.4 m long. What is their total length (in m)? =
  30. 30.In 42.76, which digit is in the tenths place?
  31. 31.68.78 × 10 =
  32. 32.In 29.12, which digit is in the tenths place?
  33. 33.In 33.43, which digit is in the hundredths place?
  34. 34.13.7 ÷ 10 =
  35. 35.A red ribbon is 8.3 m long and a blue ribbon is 6.6 m long. How much longer is the red ribbon (in m)? =
  36. 36.Write 3/10 as a decimal. =
  37. 37.In 79.24, which digit is in the tenths place?
  38. 38.9.51 − 0.6 =
  39. 39.64.45 × 10 =
  40. 40.5.33 + 1.51 =

Answer key

  1. 4.3
  2. 7.7
  3. 269
  4. 0.1
  5. 891.4
  6. 0.156
  7. 2
  8. 3.9
  9. 16.5
  10. 2
  11. 0.73
  12. 1
  13. 0.9
  14. 4.67
  15. 9.61
  16. 0.26
  17. 6.94
  18. 3.48
  19. 10.4
  20. 1.53
  21. 5.57
  22. 10.75
  23. 5
  24. 2.3
  25. 11.04
  26. 5.07
  27. 808.1
  28. 109.2
  29. 10.7
  30. 7
  31. 687.8
  32. 1
  33. 3
  34. 1.37
  35. 1.7
  36. 0.3
  37. 2
  38. 8.91
  39. 644.5
  40. 6.84

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