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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 534 · 40 questions
TalentJR

How to solve it (Same number of places): Add zeros at the end so every decimal has the same number of places (0.5 = 0.500). Compare or add them like whole numbers, keeping the decimal points in a line. Place value after the point: tenths (0.1), hundredths (0.01), thousandths (0.001).

NameDateTime takenScore ___ / 40
  1. 1.9.88 + 1.8 = ? (a) 11.58 (b) 11.78 (c) 10.06 (d) 11.68
  2. 2.What is the value of the digit 8 in 84.917? (a) 0.8 (b) 80 (c) 8 (d) 0.08
  3. 3.What is the value of the digit 5 in 96.572? (a) 5 (b) 0.005 (c) 0.05 (d) 0.5
  4. 4.What is the value of the digit 5 in 75.861? (a) 0.05 (b) 5 (c) 50 (d) 0.5
  5. 5.5.97 + 4.5 = ? (a) 6.42 (b) 10.47 (c) 10.37 (d) 10.57
  6. 6.What is the value of the digit 6 in 62.137? (a) 0.06 (b) 6 (c) 60 (d) 0.6
  7. 7.What is the value of the digit 9 in 94.316? (a) 0.09 (b) 9 (c) 90 (d) 0.9
  8. 8.Which is the greatest: 0.599, 0.69, 0.6, 0.033? (a) 0.599 (b) 0.69 (c) 0.6 (d) 0.033
  9. 9.Which is the smallest: 0.448, 0.084, 0.5, 0.51? (a) 0.448 (b) 0.084 (c) 0.5 (d) 0.51
  10. 10.4.84 + 6.1 = ? (a) 10.84 (b) 5.45 (c) 10.94 (d) 11.04
  11. 11.What is the value of the digit 4 in 39.247? (a) 0.4 (b) 4 (c) 0.004 (d) 0.04
  12. 12.9.75 + 5.9 = ? (a) 15.75 (b) 15.65 (c) 15.55 (d) 10.34
  13. 13.3.08 + 6.2 = ? (a) 9.28 (b) 9.18 (c) 3.7 (d) 9.38
  14. 14.2.68 + 8.4 = ? (a) 10.98 (b) 11.08 (c) 3.52 (d) 11.18
  15. 15.What is the value of the digit 2 in 83.162? (a) 0.02 (b) 0.2 (c) 2 (d) 0.002
  16. 16.Which is the smallest: 0.013, 0.8, 0.89, 0.755? (a) 0.013 (b) 0.8 (c) 0.89 (d) 0.755
  17. 17.Which is the greatest: 0.8, 0.88, 0.729, 0.041? (a) 0.8 (b) 0.88 (c) 0.729 (d) 0.041
  18. 18.6.26 + 2.7 = ? (a) 8.96 (b) 6.53 (c) 9.06 (d) 8.86
  19. 19.Which is the smallest: 0.23, 0.018, 0.2, 0.131? (a) 0.23 (b) 0.018 (c) 0.2 (d) 0.131
  20. 20.Which is the smallest: 0.059, 0.73, 0.7, 0.615? (a) 0.059 (b) 0.73 (c) 0.7 (d) 0.615
  21. 21.Which is the smallest: 0.699, 0.74, 0.7, 0.086? (a) 0.699 (b) 0.74 (c) 0.7 (d) 0.086
  22. 22.What is the value of the digit 5 in 28.915? (a) 0.005 (b) 0.5 (c) 5 (d) 0.05
  23. 23.Which is the smallest: 0.7, 0.088, 0.73, 0.629? (a) 0.7 (b) 0.088 (c) 0.73 (d) 0.629
  24. 24.Which is the greatest: 0.6, 0.61, 0.539, 0.095? (a) 0.6 (b) 0.61 (c) 0.539 (d) 0.095
  25. 25.What is the value of the digit 5 in 73.625? (a) 0.5 (b) 0.005 (c) 0.05 (d) 5
  26. 26.Which is the greatest: 0.132, 0.2, 0.26, 0.049? (a) 0.132 (b) 0.2 (c) 0.26 (d) 0.049
  27. 27.What is the value of the digit 8 in 28.943? (a) 8 (b) 80 (c) 0.08 (d) 0.8
  28. 28.What is the value of the digit 8 in 92.658? (a) 0.8 (b) 0.08 (c) 8 (d) 0.008
  29. 29.Which is the greatest: 0.037, 0.756, 0.85, 0.8? (a) 0.037 (b) 0.756 (c) 0.85 (d) 0.8
  30. 30.5.62 + 7.6 = ? (a) 13.22 (b) 13.32 (c) 13.12 (d) 6.38
  31. 31.What is the value of the digit 8 in 81.426? (a) 0.08 (b) 80 (c) 8 (d) 0.8
  32. 32.5.97 + 5.7 = ? (a) 11.57 (b) 11.67 (c) 11.77 (d) 6.54
  33. 33.What is the value of the digit 3 in 36.195? (a) 30 (b) 3 (c) 0.03 (d) 0.3
  34. 34.What is the value of the digit 9 in 59.281? (a) 9 (b) 0.9 (c) 90 (d) 0.09
  35. 35.2.35 + 9.3 = ? (a) 3.28 (b) 11.65 (c) 11.55 (d) 11.75
  36. 36.3.79 + 9.6 = ? (a) 13.39 (b) 13.29 (c) 13.49 (d) 4.75
  37. 37.7.81 + 5.3 = ? (a) 13.21 (b) 13.01 (c) 8.34 (d) 13.11
  38. 38.What is the value of the digit 2 in 96.243? (a) 0.002 (b) 0.02 (c) 0.2 (d) 2
  39. 39.Which is the smallest: 0.455, 0.017, 0.54, 0.5? (a) 0.455 (b) 0.017 (c) 0.54 (d) 0.5
  40. 40.What is the value of the digit 1 in 71.496? (a) 1 (b) 0.1 (c) 0.01 (d) 10

Answer key

  1. 11.68
  2. 80
  3. 0.5
  4. 5
  5. 10.47
  6. 60
  7. 90
  8. 0.69
  9. 0.084
  10. 10.94
  11. 0.04
  12. 15.65
  13. 9.28
  14. 11.08
  15. 0.002
  16. 0.013
  17. 0.88
  18. 8.96
  19. 0.018
  20. 0.059
  21. 0.086
  22. 0.005
  23. 0.088
  24. 0.61
  25. 0.005
  26. 0.26
  27. 8
  28. 0.008
  29. 0.85
  30. 13.22
  31. 80
  32. 11.67
  33. 30
  34. 9
  35. 11.65
  36. 13.39
  37. 13.11
  38. 0.2
  39. 0.017
  40. 1

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