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Class 5 Maths Worksheet: Decimals

Maths worksheets lesson 36: Decimals · Set 90 · 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 8.2 m long and a blue ribbon is 5.4 m long. What is their total length (in m)? =
  2. 2.6.2 + 4.17 =
  3. 3.4.59 − 3.68 =
  4. 4.In 11.88, which digit is in the hundredths place?
  5. 5.A red ribbon is 10 m long and a blue ribbon is 5.4 m long. How much longer is the red ribbon (in m)? =
  6. 6.10.14 − 8.1 =
  7. 7.7.4 + 4.96 =
  8. 8.28.9 ÷ 100 =
  9. 9.5.32 − 0.7 =
  10. 10.A red ribbon is 5.6 m long and a blue ribbon is 3.2 m long. What is their total length (in m)? =
  11. 11.5.73 + 0.9 =
  12. 12.49.1 ÷ 10 =
  13. 13.In 37.66, which digit is in the hundredths place?
  14. 14.Write 3/100 as a decimal. =
  15. 15.1.7 + 4.94 =
  16. 16.3.9 + 0.48 =
  17. 17.A red ribbon is 7.8 m long and a blue ribbon is 8.2 m long. What is their total length (in m)? =
  18. 18.1.7 + 2.87 =
  19. 19.9.3 − 5.1 =
  20. 20.30.9 ÷ 10 =
  21. 21.3.5 − 2 =
  22. 22.24.06 × 10 =
  23. 23.19.38 − 9.8 =
  24. 24.A red ribbon is 5.6 m long and a blue ribbon is 4.9 m long. How much longer is the red ribbon (in m)? =
  25. 25.In 1.79, which digit is in the tenths place?
  26. 26.99.8 ÷ 10 =
  27. 27.8.93 − 0.69 =
  28. 28.34.8 ÷ 100 =
  29. 29.4.1 + 1.4 =
  30. 30.4.4 − 2.4 =
  31. 31.4.12 − 0.47 =
  32. 32.66.2 ÷ 10 =
  33. 33.Write 63/100 as a decimal. =
  34. 34.46.69 × 100 =
  35. 35.Write 8/10 as a decimal. =
  36. 36.A red ribbon is 2.2 m long and a blue ribbon is 2.7 m long. What is their total length (in m)? =
  37. 37.In 48.16, which digit is in the ones place?
  38. 38.3 + 7.73 =
  39. 39.16.88 × 100 =
  40. 40.17.9 × 10 =

Answer key

  1. 13.6
  2. 10.37
  3. 0.91
  4. 8
  5. 4.6
  6. 2.04
  7. 12.36
  8. 0.289
  9. 4.62
  10. 8.8
  11. 6.63
  12. 4.91
  13. 6
  14. 0.03
  15. 6.64
  16. 4.38
  17. 16
  18. 4.57
  19. 4.2
  20. 3.09
  21. 1.5
  22. 240.6
  23. 9.58
  24. 0.7
  25. 7
  26. 9.98
  27. 8.24
  28. 0.348
  29. 5.5
  30. 2
  31. 3.65
  32. 6.62
  33. 0.63
  34. 4669
  35. 0.8
  36. 4.9
  37. 8
  38. 10.73
  39. 1688
  40. 179

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