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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 745 · 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.Which is the greatest: 0.82, 0.082, 0.764, 0.8? (a) 0.82 (b) 0.082 (c) 0.764 (d) 0.8
  2. 2.Which is the smallest: 0.094, 0.625, 0.79, 0.7? (a) 0.094 (b) 0.625 (c) 0.79 (d) 0.7
  3. 3.What is the value of the digit 3 in 47.359? (a) 0.03 (b) 3 (c) 0.3 (d) 0.003
  4. 4.Which is the smallest: 0.4, 0.45, 0.395, 0.064? (a) 0.4 (b) 0.45 (c) 0.395 (d) 0.064
  5. 5.5.38 + 3.2 = ? (a) 8.58 (b) 8.48 (c) 8.68 (d) 5.7
  6. 6.What is the value of the digit 9 in 21.943? (a) 0.009 (b) 0.9 (c) 9 (d) 0.09
  7. 7.2.56 + 1.3 = ? (a) 2.69 (b) 3.86 (c) 3.76 (d) 3.96
  8. 8.What is the value of the digit 8 in 58.932? (a) 0.8 (b) 8 (c) 80 (d) 0.08
  9. 9.What is the value of the digit 5 in 12.584? (a) 5 (b) 0.5 (c) 0.005 (d) 0.05
  10. 10.What is the value of the digit 2 in 24.856? (a) 0.2 (b) 0.02 (c) 2 (d) 20
  11. 11.What is the value of the digit 8 in 61.958? (a) 0.08 (b) 0.008 (c) 8 (d) 0.8
  12. 12.2.63 + 8.7 = ? (a) 11.23 (b) 11.43 (c) 11.33 (d) 3.5
  13. 13.Which is the greatest: 0.4, 0.064, 0.311, 0.41? (a) 0.4 (b) 0.064 (c) 0.311 (d) 0.41
  14. 14.Which is the greatest: 0.64, 0.529, 0.6, 0.065? (a) 0.64 (b) 0.529 (c) 0.6 (d) 0.065
  15. 15.8.58 + 5.2 = ? (a) 9.1 (b) 13.78 (c) 13.88 (d) 13.68
  16. 16.4.48 + 8.6 = ? (a) 13.08 (b) 13.18 (c) 12.98 (d) 5.34
  17. 17.5.59 + 7.1 = ? (a) 6.3 (b) 12.79 (c) 12.69 (d) 12.59
  18. 18.3.44 + 4.5 = ? (a) 7.84 (b) 8.04 (c) 7.94 (d) 3.89
  19. 19.Which is the smallest: 0.162, 0.25, 0.2, 0.052? (a) 0.162 (b) 0.25 (c) 0.2 (d) 0.052
  20. 20.Which is the greatest: 0.072, 0.2, 0.164, 0.24? (a) 0.072 (b) 0.2 (c) 0.164 (d) 0.24
  21. 21.Which is the smallest: 0.043, 0.269, 0.3, 0.35? (a) 0.043 (b) 0.269 (c) 0.3 (d) 0.35
  22. 22.What is the value of the digit 7 in 71.846? (a) 0.07 (b) 0.7 (c) 70 (d) 7
  23. 23.Which is the greatest: 0.25, 0.183, 0.046, 0.2? (a) 0.25 (b) 0.183 (c) 0.046 (d) 0.2
  24. 24.Which is the greatest: 0.051, 0.3, 0.231, 0.34? (a) 0.051 (b) 0.3 (c) 0.231 (d) 0.34
  25. 25.2.26 + 7.7 = ? (a) 3.03 (b) 9.86 (c) 10.06 (d) 9.96
  26. 26.6.21 + 3.8 = ? (a) 9.91 (b) 6.59 (c) 10.11 (d) 10.01
  27. 27.4.54 + 7.4 = ? (a) 11.84 (b) 12.04 (c) 5.28 (d) 11.94
  28. 28.6.93 + 6.2 = ? (a) 13.23 (b) 13.03 (c) 7.55 (d) 13.13
  29. 29.Which is the greatest: 0.29, 0.165, 0.2, 0.051? (a) 0.29 (b) 0.165 (c) 0.2 (d) 0.051
  30. 30.Which is the smallest: 0.39, 0.088, 0.293, 0.3? (a) 0.39 (b) 0.088 (c) 0.293 (d) 0.3
  31. 31.What is the value of the digit 7 in 17.892? (a) 0.7 (b) 0.07 (c) 7 (d) 70
  32. 32.5.76 + 3.1 = ? (a) 8.96 (b) 6.07 (c) 8.86 (d) 8.76
  33. 33.What is the value of the digit 2 in 26.894? (a) 2 (b) 0.02 (c) 20 (d) 0.2
  34. 34.7.61 + 7.1 = ? (a) 14.71 (b) 14.61 (c) 8.32 (d) 14.81
  35. 35.Which is the smallest: 0.023, 0.47, 0.388, 0.4? (a) 0.023 (b) 0.47 (c) 0.388 (d) 0.4
  36. 36.What is the value of the digit 7 in 54.172? (a) 0.007 (b) 0.7 (c) 7 (d) 0.07
  37. 37.What is the value of the digit 1 in 23.154? (a) 0.1 (b) 0.01 (c) 1 (d) 0.001
  38. 38.What is the value of the digit 3 in 59.736? (a) 0.3 (b) 0.003 (c) 0.03 (d) 3
  39. 39.Which is the greatest: 0.059, 0.664, 0.74, 0.7? (a) 0.059 (b) 0.664 (c) 0.74 (d) 0.7
  40. 40.What is the value of the digit 3 in 47.923? (a) 3 (b) 0.3 (c) 0.003 (d) 0.03

Answer key

  1. 0.82
  2. 0.094
  3. 0.3
  4. 0.064
  5. 8.58
  6. 0.9
  7. 3.86
  8. 8
  9. 0.5
  10. 20
  11. 0.008
  12. 11.33
  13. 0.41
  14. 0.64
  15. 13.78
  16. 13.08
  17. 12.69
  18. 7.94
  19. 0.052
  20. 0.24
  21. 0.043
  22. 70
  23. 0.25
  24. 0.34
  25. 9.96
  26. 10.01
  27. 11.94
  28. 13.13
  29. 0.29
  30. 0.088
  31. 7
  32. 8.86
  33. 20
  34. 14.71
  35. 0.023
  36. 0.07
  37. 0.1
  38. 0.03
  39. 0.74
  40. 0.003

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