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Class 5 Maths Worksheet: Decimals

Maths worksheets lesson 36: Decimals · Set 142 · 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. 1.2.8 − 0.8 =
  2. 2.37.16 × 10 =
  3. 3.A red ribbon is 5.5 m long and a blue ribbon is 2.9 m long. What is their total length (in m)? =
  4. 4.In 12.79, which digit is in the ones place?
  5. 5.5.12 + 1.38 =
  6. 6.8.33 − 1.2 =
  7. 7.7.04 − 5.1 =
  8. 8.Write 3/10 as a decimal. =
  9. 9.Write 73/100 as a decimal. =
  10. 10.86.65 × 100 =
  11. 11.3.3 − 2.2 =
  12. 12.11.54 − 5.39 =
  13. 13.58.53 × 10 =
  14. 14.6.9 − 1.1 =
  15. 15.16.3 − 9.3 =
  16. 16.9.62 − 8.1 =
  17. 17.A red ribbon is 3.4 m long and a blue ribbon is 8.1 m long. What is their total length (in m)? =
  18. 18.In 12.52, which digit is in the hundredths place?
  19. 19.Write 21/100 as a decimal. =
  20. 20.A red ribbon is 3.4 m long and a blue ribbon is 2.4 m long. How much longer is the red ribbon (in m)? =
  21. 21.44.24 × 10 =
  22. 22.67.6 ÷ 100 =
  23. 23.6.9 + 7.5 =
  24. 24.26.36 × 100 =
  25. 25.44.2 ÷ 100 =
  26. 26.7.64 × 10 =
  27. 27.In 53.46, which digit is in the tenths place?
  28. 28.In 91.24, which digit is in the ones place?
  29. 29.10.4 − 8.1 =
  30. 30.4.5 + 0.65 =
  31. 31.In 22.28, which digit is in the ones place?
  32. 32.Write 5/10 as a decimal. =
  33. 33.87.49 × 10 =
  34. 34.In 31.11, which digit is in the ones place?
  35. 35.63.76 × 10 =
  36. 36.A red ribbon is 7.4 m long and a blue ribbon is 3.6 m long. How much longer is the red ribbon (in m)? =
  37. 37.19.2 ÷ 10 =
  38. 38.15.2 ÷ 10 =
  39. 39.44.7 ÷ 10 =
  40. 40.15.18 × 10 =

Answer key

  1. 2
  2. 371.6
  3. 8.4
  4. 2
  5. 6.5
  6. 7.13
  7. 1.94
  8. 0.3
  9. 0.73
  10. 8665
  11. 1.1
  12. 6.15
  13. 585.3
  14. 5.8
  15. 7
  16. 1.52
  17. 11.5
  18. 2
  19. 0.21
  20. 1
  21. 442.4
  22. 0.676
  23. 14.4
  24. 2636
  25. 0.442
  26. 76.4
  27. 4
  28. 1
  29. 2.3
  30. 5.15
  31. 2
  32. 0.5
  33. 874.9
  34. 1
  35. 637.6
  36. 3.8
  37. 1.92
  38. 1.52
  39. 4.47
  40. 151.8

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