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Class 5 Maths Worksheet: Decimals

Maths worksheets lesson 36: Decimals · Set 549 · 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 9.5 m long and a blue ribbon is 6.4 m long. How much longer is the red ribbon (in m)? =
  2. 2.In 63.45, which digit is in the ones place?
  3. 3.12.15 − 3.71 =
  4. 4.A red ribbon is 7.1 m long and a blue ribbon is 3.4 m long. What is their total length (in m)? =
  5. 5.7.5 − 3.1 =
  6. 6.72.29 × 10 =
  7. 7.17.5 ÷ 10 =
  8. 8.6.5 ÷ 100 =
  9. 9.8.9 + 6.8 =
  10. 10.In 58.89, which digit is in the hundredths place?
  11. 11.In 59.63, which digit is in the ones place?
  12. 12.A red ribbon is 5.9 m long and a blue ribbon is 3.9 m long. What is their total length (in m)? =
  13. 13.In 57.15, which digit is in the tenths place?
  14. 14.A red ribbon is 3.1 m long and a blue ribbon is 1.8 m long. What is their total length (in m)? =
  15. 15.1.5 + 2.6 =
  16. 16.In 19.43, which digit is in the hundredths place?
  17. 17.A red ribbon is 8.2 m long and a blue ribbon is 4.4 m long. What is their total length (in m)? =
  18. 18.7.94 + 9.88 =
  19. 19.A red ribbon is 8.1 m long and a blue ribbon is 5.9 m long. What is their total length (in m)? =
  20. 20.In 25.54, which digit is in the hundredths place?
  21. 21.6.92 + 8.6 =
  22. 22.4.28 + 3.7 =
  23. 23.In 9.66, which digit is in the hundredths place?
  24. 24.56.43 × 10 =
  25. 25.15.35 × 10 =
  26. 26.A red ribbon is 14 m long and a blue ribbon is 9.2 m long. How much longer is the red ribbon (in m)? =
  27. 27.30.8 ÷ 100 =
  28. 28.12.93 − 4.13 =
  29. 29.7.64 × 10 =
  30. 30.80.72 × 100 =
  31. 31.62.5 ÷ 10 =
  32. 32.8.26 + 0.6 =
  33. 33.A red ribbon is 5.4 m long and a blue ribbon is 4.1 m long. How much longer is the red ribbon (in m)? =
  34. 34.In 45.98, which digit is in the ones place?
  35. 35.9.59 + 6.68 =
  36. 36.Write 3/10 as a decimal. =
  37. 37.Write 70/100 as a decimal. =
  38. 38.Write 8/10 as a decimal. =
  39. 39.27.78 × 10 =
  40. 40.10.24 − 5.84 =

Answer key

  1. 3.1
  2. 3
  3. 8.44
  4. 10.5
  5. 4.4
  6. 722.9
  7. 1.75
  8. 0.065
  9. 15.7
  10. 9
  11. 9
  12. 9.8
  13. 1
  14. 4.9
  15. 4.1
  16. 3
  17. 12.6
  18. 17.82
  19. 14
  20. 4
  21. 15.52
  22. 7.98
  23. 6
  24. 564.3
  25. 153.5
  26. 4.8
  27. 0.308
  28. 8.8
  29. 76.4
  30. 8072
  31. 6.25
  32. 8.86
  33. 1.3
  34. 5
  35. 16.27
  36. 0.3
  37. 0.7
  38. 0.8
  39. 277.8
  40. 4.4

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