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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 758 · 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: 0.422, 0.5, 0.56, 0.027? (a) 0.422 (b) 0.5 (c) 0.56 (d) 0.027
  2. 2.Which is the smallest: 0.084, 0.71, 0.7, 0.696? (a) 0.084 (b) 0.71 (c) 0.7 (d) 0.696
  3. 3.7.09 + 9.3 = ? (a) 16.49 (b) 16.29 (c) 16.39 (d) 8.02
  4. 4.What is the value of the digit 2 in 15.423? (a) 0.2 (b) 0.002 (c) 0.02 (d) 2
  5. 5.9.11 + 1.9 = ? (a) 11.01 (b) 11.11 (c) 10.91 (d) 9.3
  6. 6.8.96 + 8.8 = ? (a) 17.66 (b) 17.76 (c) 9.84 (d) 17.86
  7. 7.2.21 + 7.1 = ? (a) 2.92 (b) 9.31 (c) 9.21 (d) 9.41
  8. 8.What is the value of the digit 8 in 28.439? (a) 0.8 (b) 80 (c) 0.08 (d) 8
  9. 9.2.27 + 4.7 = ? (a) 2.74 (b) 7.07 (c) 6.87 (d) 6.97
  10. 10.3.99 + 4.8 = ? (a) 8.89 (b) 8.69 (c) 4.47 (d) 8.79
  11. 11.Which is the greatest: 0.017, 0.772, 0.8, 0.82? (a) 0.017 (b) 0.772 (c) 0.8 (d) 0.82
  12. 12.3.73 + 6.8 = ? (a) 10.63 (b) 10.53 (c) 10.43 (d) 4.41
  13. 13.What is the value of the digit 3 in 34.152? (a) 0.3 (b) 30 (c) 3 (d) 0.03
  14. 14.What is the value of the digit 7 in 73.298? (a) 0.07 (b) 0.7 (c) 7 (d) 70
  15. 15.What is the value of the digit 7 in 38.714? (a) 0.007 (b) 7 (c) 0.07 (d) 0.7
  16. 16.Which is the greatest: 0.7, 0.75, 0.054, 0.628? (a) 0.7 (b) 0.75 (c) 0.054 (d) 0.628
  17. 17.What is the value of the digit 6 in 21.856? (a) 6 (b) 0.6 (c) 0.006 (d) 0.06
  18. 18.Which is the greatest: 0.242, 0.3, 0.38, 0.059? (a) 0.242 (b) 0.3 (c) 0.38 (d) 0.059
  19. 19.8.39 + 8.5 = ? (a) 16.89 (b) 16.99 (c) 9.24 (d) 16.79
  20. 20.2.89 + 9.2 = ? (a) 3.81 (b) 12.09 (c) 12.19 (d) 11.99
  21. 21.What is the value of the digit 1 in 38.291? (a) 0.01 (b) 0.001 (c) 0.1 (d) 1
  22. 22.What is the value of the digit 4 in 27.346? (a) 4 (b) 0.04 (c) 0.004 (d) 0.4
  23. 23.What is the value of the digit 3 in 93.724? (a) 30 (b) 0.3 (c) 0.03 (d) 3
  24. 24.Which is the smallest: 0.7, 0.79, 0.682, 0.019? (a) 0.7 (b) 0.79 (c) 0.682 (d) 0.019
  25. 25.What is the value of the digit 2 in 81.742? (a) 0.002 (b) 0.2 (c) 0.02 (d) 2
  26. 26.6.57 + 6.6 = ? (a) 13.17 (b) 13.07 (c) 13.27 (d) 7.23
  27. 27.8.33 + 2.6 = ? (a) 8.59 (b) 10.93 (c) 11.03 (d) 10.83
  28. 28.5.45 + 7.5 = ? (a) 6.2 (b) 12.85 (c) 13.05 (d) 12.95
  29. 29.What is the value of the digit 6 in 69.528? (a) 0.06 (b) 0.6 (c) 60 (d) 6
  30. 30.3.34 + 9.2 = ? (a) 12.54 (b) 12.64 (c) 12.44 (d) 4.26
  31. 31.7.81 + 1.5 = ? (a) 9.21 (b) 7.96 (c) 9.31 (d) 9.41
  32. 32.9.01 + 3.2 = ? (a) 9.33 (b) 12.31 (c) 12.21 (d) 12.11
  33. 33.2.73 + 7.2 = ? (a) 10.03 (b) 3.45 (c) 9.93 (d) 9.83
  34. 34.Which is the greatest: 0.64, 0.6, 0.531, 0.023? (a) 0.64 (b) 0.6 (c) 0.531 (d) 0.023
  35. 35.Which is the smallest: 0.5, 0.51, 0.019, 0.426? (a) 0.5 (b) 0.51 (c) 0.019 (d) 0.426
  36. 36.What is the value of the digit 3 in 13.925? (a) 0.3 (b) 0.03 (c) 3 (d) 30
  37. 37.Which is the smallest: 0.52, 0.475, 0.5, 0.064? (a) 0.52 (b) 0.475 (c) 0.5 (d) 0.064
  38. 38.What is the value of the digit 3 in 53.467? (a) 0.03 (b) 3 (c) 30 (d) 0.3
  39. 39.What is the value of the digit 2 in 78.162? (a) 0.002 (b) 0.2 (c) 2 (d) 0.02
  40. 40.What is the value of the digit 9 in 71.389? (a) 0.9 (b) 9 (c) 0.09 (d) 0.009

Answer key

  1. 0.56
  2. 0.084
  3. 16.39
  4. 0.02
  5. 11.01
  6. 17.76
  7. 9.31
  8. 8
  9. 6.97
  10. 8.79
  11. 0.82
  12. 10.53
  13. 30
  14. 70
  15. 0.7
  16. 0.75
  17. 0.006
  18. 0.38
  19. 16.89
  20. 12.09
  21. 0.001
  22. 0.04
  23. 3
  24. 0.019
  25. 0.002
  26. 13.17
  27. 10.93
  28. 12.95
  29. 60
  30. 12.54
  31. 9.31
  32. 12.21
  33. 9.93
  34. 0.64
  35. 0.019
  36. 3
  37. 0.064
  38. 3
  39. 0.002
  40. 0.009

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