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Class 5 Maths Worksheet: Decimals

Maths worksheets lesson 36: Decimals · Set 486 · 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.Write 18/100 as a decimal. =
  2. 2.In 18.76, which digit is in the tenths place?
  3. 3.24.5 ÷ 10 =
  4. 4.3.7 + 3 =
  5. 5.In 21.68, which digit is in the ones place?
  6. 6.5 + 8.1 =
  7. 7.A red ribbon is 3.5 m long and a blue ribbon is 8.1 m long. What is their total length (in m)? =
  8. 8.2.82 + 2.4 =
  9. 9.68.4 ÷ 100 =
  10. 10.A red ribbon is 9.7 m long and a blue ribbon is 7.2 m long. How much longer is the red ribbon (in m)? =
  11. 11.2.4 − 0.9 =
  12. 12.5.48 × 100 =
  13. 13.20.05 × 10 =
  14. 14.Write 97/100 as a decimal. =
  15. 15.5.01 + 1.29 =
  16. 16.8.8 ÷ 100 =
  17. 17.1.3 + 9.38 =
  18. 18.A red ribbon is 5 m long and a blue ribbon is 3.3 m long. How much longer is the red ribbon (in m)? =
  19. 19.Write 6/10 as a decimal. =
  20. 20.10 − 2.78 =
  21. 21.Write 3/10 as a decimal. =
  22. 22.A red ribbon is 3 m long and a blue ribbon is 6.8 m long. What is their total length (in m)? =
  23. 23.In 25.27, which digit is in the hundredths place?
  24. 24.In 16.99, which digit is in the hundredths place?
  25. 25.8.68 − 7.67 =
  26. 26.76.37 × 10 =
  27. 27.Write 46/100 as a decimal. =
  28. 28.4.3 + 4.2 =
  29. 29.16.68 − 8.93 =
  30. 30.1.75 + 3.15 =
  31. 31.99.76 × 100 =
  32. 32.A red ribbon is 9.2 m long and a blue ribbon is 6.2 m long. What is their total length (in m)? =
  33. 33.2.8 + 8.99 =
  34. 34.In 56.36, which digit is in the tenths place?
  35. 35.13.65 − 9.25 =
  36. 36.1.7 + 2.84 =
  37. 37.Write 1/10 as a decimal. =
  38. 38.92.07 × 100 =
  39. 39.2 ÷ 10 =
  40. 40.13.86 − 5.6 =

Answer key

  1. 0.18
  2. 7
  3. 2.45
  4. 6.7
  5. 1
  6. 13.1
  7. 11.6
  8. 5.22
  9. 0.684
  10. 2.5
  11. 1.5
  12. 548
  13. 200.5
  14. 0.97
  15. 6.3
  16. 0.088
  17. 10.68
  18. 1.7
  19. 0.6
  20. 7.22
  21. 0.3
  22. 9.8
  23. 7
  24. 9
  25. 1.01
  26. 763.7
  27. 0.46
  28. 8.5
  29. 7.75
  30. 4.9
  31. 9976
  32. 15.4
  33. 11.79
  34. 3
  35. 4.4
  36. 4.54
  37. 0.1
  38. 9207
  39. 0.2
  40. 8.26

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