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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 472 · 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 96.513? (a) 6 (b) 0.6 (c) 60 (d) 0.06
  2. 2.Which is the greatest: 0.37, 0.089, 0.286, 0.3? (a) 0.37 (b) 0.089 (c) 0.286 (d) 0.3
  3. 3.9.58 + 3.1 = ? (a) 9.89 (b) 12.68 (c) 12.78 (d) 12.58
  4. 4.What is the value of the digit 4 in 73.421? (a) 0.004 (b) 0.4 (c) 0.04 (d) 4
  5. 5.1.31 + 7.3 = ? (a) 8.51 (b) 8.61 (c) 8.71 (d) 2.04
  6. 6.Which is the greatest: 0.6, 0.573, 0.62, 0.086? (a) 0.6 (b) 0.573 (c) 0.62 (d) 0.086
  7. 7.5.07 + 6.1 = ? (a) 5.68 (b) 11.07 (c) 11.17 (d) 11.27
  8. 8.What is the value of the digit 5 in 15.428? (a) 5 (b) 50 (c) 0.05 (d) 0.5
  9. 9.Which is the greatest: 0.241, 0.3, 0.051, 0.39? (a) 0.241 (b) 0.3 (c) 0.051 (d) 0.39
  10. 10.4.85 + 9.3 = ? (a) 14.25 (b) 14.15 (c) 14.05 (d) 5.78
  11. 11.2.33 + 4.7 = ? (a) 7.03 (b) 2.8 (c) 6.93 (d) 7.13
  12. 12.Which is the greatest: 0.268, 0.064, 0.35, 0.3? (a) 0.268 (b) 0.064 (c) 0.35 (d) 0.3
  13. 13.9.31 + 3.2 = ? (a) 12.61 (b) 12.51 (c) 9.63 (d) 12.41
  14. 14.3.54 + 1.8 = ? (a) 5.24 (b) 3.72 (c) 5.34 (d) 5.44
  15. 15.6.92 + 1.2 = ? (a) 8.12 (b) 8.02 (c) 7.04 (d) 8.22
  16. 16.What is the value of the digit 4 in 41.256? (a) 0.4 (b) 4 (c) 40 (d) 0.04
  17. 17.What is the value of the digit 4 in 54.167? (a) 4 (b) 0.04 (c) 0.4 (d) 40
  18. 18.1.44 + 9.4 = ? (a) 10.94 (b) 10.74 (c) 10.84 (d) 2.38
  19. 19.Which is the greatest: 0.258, 0.034, 0.3, 0.38? (a) 0.258 (b) 0.034 (c) 0.3 (d) 0.38
  20. 20.What is the value of the digit 3 in 16.387? (a) 0.003 (b) 0.03 (c) 3 (d) 0.3
  21. 21.Which is the greatest: 0.34, 0.3, 0.016, 0.246? (a) 0.34 (b) 0.3 (c) 0.016 (d) 0.246
  22. 22.Which is the smallest: 0.687, 0.071, 0.78, 0.7? (a) 0.687 (b) 0.071 (c) 0.78 (d) 0.7
  23. 23.What is the value of the digit 1 in 15.683? (a) 1 (b) 0.1 (c) 0.01 (d) 10
  24. 24.Which is the greatest: 0.5, 0.59, 0.496, 0.073? (a) 0.5 (b) 0.59 (c) 0.496 (d) 0.073
  25. 25.What is the value of the digit 3 in 83.517? (a) 3 (b) 30 (c) 0.3 (d) 0.03
  26. 26.What is the value of the digit 9 in 98.743? (a) 9 (b) 0.9 (c) 0.09 (d) 90
  27. 27.Which is the smallest: 0.023, 0.3, 0.236, 0.34? (a) 0.023 (b) 0.3 (c) 0.236 (d) 0.34
  28. 28.Which is the smallest: 0.7, 0.024, 0.75, 0.644? (a) 0.7 (b) 0.024 (c) 0.75 (d) 0.644
  29. 29.What is the value of the digit 5 in 61.485? (a) 0.05 (b) 0.5 (c) 5 (d) 0.005
  30. 30.9.12 + 8.1 = ? (a) 9.93 (b) 17.22 (c) 17.12 (d) 17.32
  31. 31.Which is the greatest: 0.429, 0.54, 0.073, 0.5? (a) 0.429 (b) 0.54 (c) 0.073 (d) 0.5
  32. 32.1.98 + 8.7 = ? (a) 10.68 (b) 10.58 (c) 2.85 (d) 10.78
  33. 33.What is the value of the digit 2 in 28.753? (a) 0.2 (b) 0.02 (c) 20 (d) 2
  34. 34.What is the value of the digit 5 in 59.472? (a) 0.5 (b) 50 (c) 5 (d) 0.05
  35. 35.6.79 + 5.5 = ? (a) 12.19 (b) 12.39 (c) 12.29 (d) 7.34
  36. 36.What is the value of the digit 1 in 35.912? (a) 1 (b) 0.001 (c) 0.01 (d) 0.1
  37. 37.8.44 + 7.9 = ? (a) 16.24 (b) 16.34 (c) 9.23 (d) 16.44
  38. 38.Which is the greatest: 0.698, 0.013, 0.7, 0.72? (a) 0.698 (b) 0.013 (c) 0.7 (d) 0.72
  39. 39.1.96 + 8.4 = ? (a) 10.36 (b) 10.26 (c) 10.46 (d) 2.8
  40. 40.What is the value of the digit 4 in 64.325? (a) 4 (b) 40 (c) 0.04 (d) 0.4

Answer key

  1. 6
  2. 0.37
  3. 12.68
  4. 0.4
  5. 8.61
  6. 0.62
  7. 11.17
  8. 5
  9. 0.39
  10. 14.15
  11. 7.03
  12. 0.35
  13. 12.51
  14. 5.34
  15. 8.12
  16. 40
  17. 4
  18. 10.84
  19. 0.38
  20. 0.3
  21. 0.34
  22. 0.071
  23. 10
  24. 0.59
  25. 3
  26. 90
  27. 0.023
  28. 0.024
  29. 0.005
  30. 17.22
  31. 0.54
  32. 10.68
  33. 20
  34. 50
  35. 12.29
  36. 0.01
  37. 16.34
  38. 0.72
  39. 10.36
  40. 4

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