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Class 5 Maths Worksheet: Decimals

Maths worksheets lesson 36: Decimals · Set 507 · 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 5 m long and a blue ribbon is 3.4 m long. What is their total length (in m)? =
  2. 2.A red ribbon is 9.4 m long and a blue ribbon is 9.6 m long. What is their total length (in m)? =
  3. 3.7.2 − 1.3 =
  4. 4.Write 61/100 as a decimal. =
  5. 5.A red ribbon is 2.4 m long and a blue ribbon is 1.1 m long. How much longer is the red ribbon (in m)? =
  6. 6.4.33 + 2.16 =
  7. 7.A red ribbon is 6.1 m long and a blue ribbon is 5.9 m long. What is their total length (in m)? =
  8. 8.43.88 × 10 =
  9. 9.8.3 − 5.7 =
  10. 10.2.8 + 2.16 =
  11. 11.In 6.43, which digit is in the ones place?
  12. 12.67.08 × 100 =
  13. 13.In 65.35, which digit is in the hundredths place?
  14. 14.A red ribbon is 1.2 m long and a blue ribbon is 3.3 m long. What is their total length (in m)? =
  15. 15.9.3 + 7.52 =
  16. 16.8.7 − 2.7 =
  17. 17.In 7.92, which digit is in the hundredths place?
  18. 18.32.9 ÷ 10 =
  19. 19.A red ribbon is 7.7 m long and a blue ribbon is 3.8 m long. What is their total length (in m)? =
  20. 20.3.89 − 1.1 =
  21. 21.7.8 + 6 =
  22. 22.4.1 + 5.53 =
  23. 23.2.86 + 9.76 =
  24. 24.9.1 − 7.5 =
  25. 25.37.7 ÷ 10 =
  26. 26.A red ribbon is 7 m long and a blue ribbon is 9 m long. What is their total length (in m)? =
  27. 27.4.8 − 1.8 =
  28. 28.2.78 + 4.16 =
  29. 29.In 49.24, which digit is in the tenths place?
  30. 30.7.98 + 0.32 =
  31. 31.A red ribbon is 4.7 m long and a blue ribbon is 2.9 m long. How much longer is the red ribbon (in m)? =
  32. 32.In 49.26, which digit is in the ones place?
  33. 33.A red ribbon is 2.9 m long and a blue ribbon is 2.1 m long. What is their total length (in m)? =
  34. 34.8.82 + 7.18 =
  35. 35.In 67.33, which digit is in the ones place?
  36. 36.8.1 + 8.7 =
  37. 37.61.9 ÷ 10 =
  38. 38.Write 17/100 as a decimal. =
  39. 39.21.33 × 10 =
  40. 40.Write 8/10 as a decimal. =

Answer key

  1. 8.4
  2. 19
  3. 5.9
  4. 0.61
  5. 1.3
  6. 6.49
  7. 12
  8. 438.8
  9. 2.6
  10. 4.96
  11. 6
  12. 6708
  13. 5
  14. 4.5
  15. 16.82
  16. 6
  17. 2
  18. 3.29
  19. 11.5
  20. 2.79
  21. 13.8
  22. 9.63
  23. 12.62
  24. 1.6
  25. 3.77
  26. 16
  27. 3
  28. 6.94
  29. 2
  30. 8.3
  31. 1.8
  32. 9
  33. 5
  34. 16
  35. 7
  36. 16.8
  37. 6.19
  38. 0.17
  39. 213.3
  40. 0.8

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