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Class 5 Maths Worksheet: Decimals

Maths worksheets lesson 36: Decimals · Set 410 · 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. 1.5 − 1.8 =
  2. 2.5.69 + 2.41 =
  3. 3.47.6 × 100 =
  4. 4.A red ribbon is 2.5 m long and a blue ribbon is 3.7 m long. What is their total length (in m)? =
  5. 5.In 43.66, which digit is in the tenths place?
  6. 6.A red ribbon is 9.9 m long and a blue ribbon is 8.4 m long. How much longer is the red ribbon (in m)? =
  7. 7.96.9 ÷ 100 =
  8. 8.Write 9/10 as a decimal. =
  9. 9.75.68 × 100 =
  10. 10.In 55.21, which digit is in the ones place?
  11. 11.8.65 + 6.34 =
  12. 12.A red ribbon is 8.4 m long and a blue ribbon is 6.3 m long. How much longer is the red ribbon (in m)? =
  13. 13.A red ribbon is 5.2 m long and a blue ribbon is 4 m long. What is their total length (in m)? =
  14. 14.A red ribbon is 8.4 m long and a blue ribbon is 4.1 m long. How much longer is the red ribbon (in m)? =
  15. 15.13.2 ÷ 100 =
  16. 16.In 11.33, which digit is in the ones place?
  17. 17.Write 12/100 as a decimal. =
  18. 18.A red ribbon is 5.7 m long and a blue ribbon is 8.3 m long. What is their total length (in m)? =
  19. 19.84.8 ÷ 10 =
  20. 20.11 − 8.8 =
  21. 21.A red ribbon is 7.8 m long and a blue ribbon is 4.4 m long. How much longer is the red ribbon (in m)? =
  22. 22.3.5 ÷ 10 =
  23. 23.In 2.18, which digit is in the hundredths place?
  24. 24.3 − 0.2 =
  25. 25.A red ribbon is 6.1 m long and a blue ribbon is 1.7 m long. What is their total length (in m)? =
  26. 26.98.96 × 100 =
  27. 27.26.67 × 10 =
  28. 28.A red ribbon is 2.1 m long and a blue ribbon is 2.7 m long. What is their total length (in m)? =
  29. 29.In 18.38, which digit is in the hundredths place?
  30. 30.In 31.76, which digit is in the ones place?
  31. 31.6.93 − 1.93 =
  32. 32.13.35 − 3.7 =
  33. 33.95.85 × 10 =
  34. 34.10.02 − 2.42 =
  35. 35.3.86 − 2.6 =
  36. 36.8.71 + 5.18 =
  37. 37.44.99 × 10 =
  38. 38.31.48 × 100 =
  39. 39.18.98 − 9.55 =
  40. 40.8.32 − 0.12 =

Answer key

  1. 3.2
  2. 8.1
  3. 4760
  4. 6.2
  5. 6
  6. 1.5
  7. 0.969
  8. 0.9
  9. 7568
  10. 5
  11. 14.99
  12. 2.1
  13. 9.2
  14. 4.3
  15. 0.132
  16. 1
  17. 0.12
  18. 14
  19. 8.48
  20. 2.2
  21. 3.4
  22. 0.35
  23. 8
  24. 2.8
  25. 7.8
  26. 9896
  27. 266.7
  28. 4.8
  29. 8
  30. 1
  31. 5
  32. 9.65
  33. 958.5
  34. 7.6
  35. 1.26
  36. 13.89
  37. 449.9
  38. 3148
  39. 9.43
  40. 8.2

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