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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 638 · 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.What is the value of the digit 6 in 26.374? (a) 6 (b) 60 (c) 0.6 (d) 0.06
  2. 2.What is the value of the digit 8 in 82.795? (a) 8 (b) 0.08 (c) 0.8 (d) 80
  3. 3.Which is the greatest: 0.054, 0.5, 0.59, 0.483? (a) 0.054 (b) 0.5 (c) 0.59 (d) 0.483
  4. 4.What is the value of the digit 3 in 13.729? (a) 3 (b) 0.3 (c) 0.03 (d) 30
  5. 5.What is the value of the digit 1 in 31.742? (a) 10 (b) 0.01 (c) 0.1 (d) 1
  6. 6.What is the value of the digit 6 in 65.718? (a) 0.06 (b) 6 (c) 0.6 (d) 60
  7. 7.What is the value of the digit 6 in 86.395? (a) 60 (b) 0.6 (c) 6 (d) 0.06
  8. 8.What is the value of the digit 8 in 63.158? (a) 0.08 (b) 0.008 (c) 0.8 (d) 8
  9. 9.9.84 + 4.8 = ? (a) 14.64 (b) 14.54 (c) 14.74 (d) 10.32
  10. 10.Which is the greatest: 0.039, 0.8, 0.785, 0.83? (a) 0.039 (b) 0.8 (c) 0.785 (d) 0.83
  11. 11.8.57 + 2.9 = ? (a) 11.37 (b) 11.57 (c) 8.86 (d) 11.47
  12. 12.8.05 + 1.5 = ? (a) 9.45 (b) 9.65 (c) 9.55 (d) 8.2
  13. 13.5.79 + 3.5 = ? (a) 6.14 (b) 9.39 (c) 9.29 (d) 9.19
  14. 14.2.98 + 2.2 = ? (a) 5.18 (b) 5.28 (c) 5.08 (d) 3.2
  15. 15.Which is the greatest: 0.89, 0.772, 0.067, 0.8? (a) 0.89 (b) 0.772 (c) 0.067 (d) 0.8
  16. 16.What is the value of the digit 5 in 91.375? (a) 0.005 (b) 5 (c) 0.5 (d) 0.05
  17. 17.Which is the smallest: 0.32, 0.222, 0.017, 0.3? (a) 0.32 (b) 0.222 (c) 0.017 (d) 0.3
  18. 18.Which is the greatest: 0.222, 0.35, 0.011, 0.3? (a) 0.222 (b) 0.35 (c) 0.011 (d) 0.3
  19. 19.9.28 + 2.2 = ? (a) 9.5 (b) 11.38 (c) 11.48 (d) 11.58
  20. 20.8.91 + 1.2 = ? (a) 10.01 (b) 10.11 (c) 9.03 (d) 10.21
  21. 21.9.02 + 3.2 = ? (a) 9.34 (b) 12.22 (c) 12.12 (d) 12.32
  22. 22.9.07 + 7.9 = ? (a) 16.97 (b) 9.86 (c) 17.07 (d) 16.87
  23. 23.3.01 + 5.5 = ? (a) 8.41 (b) 8.51 (c) 3.56 (d) 8.61
  24. 24.Which is the smallest: 0.174, 0.092, 0.29, 0.2? (a) 0.174 (b) 0.092 (c) 0.29 (d) 0.2
  25. 25.Which is the greatest: 0.078, 0.64, 0.6, 0.581? (a) 0.078 (b) 0.64 (c) 0.6 (d) 0.581
  26. 26.What is the value of the digit 2 in 62.478? (a) 20 (b) 0.2 (c) 0.02 (d) 2
  27. 27.2.45 + 8.2 = ? (a) 10.65 (b) 3.27 (c) 10.75 (d) 10.55
  28. 28.4.79 + 1.9 = ? (a) 6.79 (b) 6.69 (c) 4.98 (d) 6.59
  29. 29.What is the value of the digit 6 in 39.762? (a) 6 (b) 0.06 (c) 0.006 (d) 0.6
  30. 30.What is the value of the digit 1 in 29.417? (a) 1 (b) 0.001 (c) 0.01 (d) 0.1
  31. 31.7.77 + 3.1 = ? (a) 10.87 (b) 8.08 (c) 10.77 (d) 10.97
  32. 32.Which is the smallest: 0.059, 0.2, 0.28, 0.114? (a) 0.059 (b) 0.2 (c) 0.28 (d) 0.114
  33. 33.What is the value of the digit 9 in 43.289? (a) 0.09 (b) 0.009 (c) 0.9 (d) 9
  34. 34.Which is the smallest: 0.488, 0.5, 0.035, 0.54? (a) 0.488 (b) 0.5 (c) 0.035 (d) 0.54
  35. 35.5.41 + 6.3 = ? (a) 11.61 (b) 11.81 (c) 11.71 (d) 6.04
  36. 36.What is the value of the digit 6 in 86.952? (a) 0.6 (b) 6 (c) 0.06 (d) 60
  37. 37.What is the value of the digit 4 in 31.724? (a) 0.04 (b) 4 (c) 0.004 (d) 0.4
  38. 38.Which is the greatest: 0.212, 0.3, 0.33, 0.043? (a) 0.212 (b) 0.3 (c) 0.33 (d) 0.043
  39. 39.What is the value of the digit 4 in 49.612? (a) 0.04 (b) 4 (c) 0.4 (d) 40
  40. 40.What is the value of the digit 1 in 13.268? (a) 0.01 (b) 10 (c) 1 (d) 0.1

Answer key

  1. 6
  2. 80
  3. 0.59
  4. 3
  5. 1
  6. 60
  7. 6
  8. 0.008
  9. 14.64
  10. 0.83
  11. 11.47
  12. 9.55
  13. 9.29
  14. 5.18
  15. 0.89
  16. 0.005
  17. 0.017
  18. 0.35
  19. 11.48
  20. 10.11
  21. 12.22
  22. 16.97
  23. 8.51
  24. 0.092
  25. 0.64
  26. 2
  27. 10.65
  28. 6.69
  29. 0.06
  30. 0.01
  31. 10.87
  32. 0.059
  33. 0.009
  34. 0.035
  35. 11.71
  36. 6
  37. 0.004
  38. 0.33
  39. 40
  40. 10

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