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Class 5 Maths Worksheet: Decimals

Maths worksheets lesson 36: Decimals · Set 35 · 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 m long and a blue ribbon is 4.7 m long. What is their total length (in m)? =
  2. 2.A red ribbon is 2.6 m long and a blue ribbon is 2.6 m long. What is their total length (in m)? =
  3. 3.6.4 + 7.31 =
  4. 4.Write 80/100 as a decimal. =
  5. 5.In 16.63, which digit is in the tenths place?
  6. 6.7.92 + 6.7 =
  7. 7.10.9 ÷ 10 =
  8. 8.2.24 + 2.1 =
  9. 9.9.14 + 1.8 =
  10. 10.5.07 − 1.97 =
  11. 11.54.1 ÷ 100 =
  12. 12.13.97 − 4.44 =
  13. 13.A red ribbon is 6.8 m long and a blue ribbon is 6.7 m long. How much longer is the red ribbon (in m)? =
  14. 14.5.58 × 100 =
  15. 15.In 87.31, which digit is in the tenths place?
  16. 16.56.59 × 10 =
  17. 17.A red ribbon is 10.2 m long and a blue ribbon is 9.8 m long. How much longer is the red ribbon (in m)? =
  18. 18.In 1.83, which digit is in the tenths place?
  19. 19.1.19 + 2.3 =
  20. 20.Write 90/100 as a decimal. =
  21. 21.43.55 × 10 =
  22. 22.In 92.66, which digit is in the ones place?
  23. 23.Write 6/10 as a decimal. =
  24. 24.9.7 − 2.9 =
  25. 25.20.8 ÷ 100 =
  26. 26.57.7 ÷ 10 =
  27. 27.68.59 × 10 =
  28. 28.Write 8/10 as a decimal. =
  29. 29.12.53 − 9.6 =
  30. 30.26 ÷ 100 =
  31. 31.36.5 ÷ 10 =
  32. 32.4.22 − 0.7 =
  33. 33.In 6.66, which digit is in the tenths place?
  34. 34.A red ribbon is 6.8 m long and a blue ribbon is 4.2 m long. How much longer is the red ribbon (in m)? =
  35. 35.40.8 ÷ 100 =
  36. 36.A red ribbon is 7 m long and a blue ribbon is 3.9 m long. How much longer is the red ribbon (in m)? =
  37. 37.74.22 × 10 =
  38. 38.In 39.25, which digit is in the tenths place?
  39. 39.87.72 × 100 =
  40. 40.10.34 − 8.7 =

Answer key

  1. 12.7
  2. 5.2
  3. 13.71
  4. 0.8
  5. 6
  6. 14.62
  7. 1.09
  8. 4.34
  9. 10.94
  10. 3.1
  11. 0.541
  12. 9.53
  13. 0.1
  14. 558
  15. 3
  16. 565.9
  17. 0.4
  18. 8
  19. 3.49
  20. 0.9
  21. 435.5
  22. 2
  23. 0.6
  24. 6.8
  25. 0.208
  26. 5.77
  27. 685.9
  28. 0.8
  29. 2.93
  30. 0.26
  31. 3.65
  32. 3.52
  33. 6
  34. 2.6
  35. 0.408
  36. 3.1
  37. 742.2
  38. 2
  39. 8772
  40. 1.64

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