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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 297 · 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: 0.8, 0.037, 0.758, 0.86? (a) 0.8 (b) 0.037 (c) 0.758 (d) 0.86
  2. 2.What is the value of the digit 8 in 89.263? (a) 80 (b) 8 (c) 0.08 (d) 0.8
  3. 3.Which is the smallest: 0.093, 0.282, 0.3, 0.38? (a) 0.093 (b) 0.282 (c) 0.3 (d) 0.38
  4. 4.What is the value of the digit 1 in 17.354? (a) 1 (b) 0.1 (c) 0.01 (d) 10
  5. 5.What is the value of the digit 3 in 13.874? (a) 3 (b) 0.03 (c) 0.3 (d) 30
  6. 6.Which is the smallest: 0.078, 0.34, 0.3, 0.261? (a) 0.078 (b) 0.34 (c) 0.3 (d) 0.261
  7. 7.2.65 + 2.5 = ? (a) 2.9 (b) 5.05 (c) 5.25 (d) 5.15
  8. 8.Which is the smallest: 0.56, 0.438, 0.014, 0.5? (a) 0.56 (b) 0.438 (c) 0.014 (d) 0.5
  9. 9.What is the value of the digit 9 in 52.497? (a) 0.09 (b) 0.009 (c) 9 (d) 0.9
  10. 10.2.29 + 1.6 = ? (a) 3.89 (b) 3.99 (c) 2.45 (d) 3.79
  11. 11.7.78 + 8.3 = ? (a) 16.18 (b) 16.08 (c) 15.98 (d) 8.61
  12. 12.8.33 + 5.4 = ? (a) 13.83 (b) 8.87 (c) 13.63 (d) 13.73
  13. 13.Which is the greatest: 0.026, 0.76, 0.684, 0.7? (a) 0.026 (b) 0.76 (c) 0.684 (d) 0.7
  14. 14.1.09 + 5.6 = ? (a) 6.69 (b) 6.79 (c) 6.59 (d) 1.65
  15. 15.8.95 + 2.7 = ? (a) 11.75 (b) 11.65 (c) 11.55 (d) 9.22
  16. 16.Which is the greatest: 0.42, 0.096, 0.4, 0.326? (a) 0.42 (b) 0.096 (c) 0.4 (d) 0.326
  17. 17.What is the value of the digit 7 in 95.673? (a) 0.7 (b) 0.07 (c) 7 (d) 0.007
  18. 18.What is the value of the digit 7 in 28.347? (a) 0.007 (b) 0.07 (c) 7 (d) 0.7
  19. 19.Which is the greatest: 0.653, 0.7, 0.065, 0.71? (a) 0.653 (b) 0.7 (c) 0.065 (d) 0.71
  20. 20.What is the value of the digit 3 in 63.415? (a) 30 (b) 0.3 (c) 0.03 (d) 3
  21. 21.8.01 + 3.3 = ? (a) 8.34 (b) 11.21 (c) 11.31 (d) 11.41
  22. 22.4.44 + 1.4 = ? (a) 4.58 (b) 5.94 (c) 5.74 (d) 5.84
  23. 23.Which is the smallest: 0.124, 0.039, 0.2, 0.22? (a) 0.124 (b) 0.039 (c) 0.2 (d) 0.22
  24. 24.3.82 + 9.6 = ? (a) 13.52 (b) 13.42 (c) 4.78 (d) 13.32
  25. 25.9.31 + 1.9 = ? (a) 9.5 (b) 11.11 (c) 11.31 (d) 11.21
  26. 26.Which is the greatest: 0.6, 0.64, 0.021, 0.522? (a) 0.6 (b) 0.64 (c) 0.021 (d) 0.522
  27. 27.What is the value of the digit 2 in 34.862? (a) 2 (b) 0.2 (c) 0.002 (d) 0.02
  28. 28.Which is the smallest: 0.64, 0.052, 0.522, 0.6? (a) 0.64 (b) 0.052 (c) 0.522 (d) 0.6
  29. 29.8.74 + 4.1 = ? (a) 12.84 (b) 12.94 (c) 12.74 (d) 9.15
  30. 30.What is the value of the digit 8 in 38.179? (a) 0.8 (b) 80 (c) 0.08 (d) 8
  31. 31.Which is the smallest: 0.048, 0.5, 0.424, 0.54? (a) 0.048 (b) 0.5 (c) 0.424 (d) 0.54
  32. 32.What is the value of the digit 6 in 35.169? (a) 6 (b) 0.06 (c) 0.006 (d) 0.6
  33. 33.What is the value of the digit 6 in 12.346? (a) 6 (b) 0.006 (c) 0.06 (d) 0.6
  34. 34.Which is the greatest: 0.52, 0.427, 0.061, 0.5? (a) 0.52 (b) 0.427 (c) 0.061 (d) 0.5
  35. 35.What is the value of the digit 2 in 26.479? (a) 0.2 (b) 2 (c) 20 (d) 0.02
  36. 36.2.62 + 6.9 = ? (a) 9.62 (b) 3.31 (c) 9.42 (d) 9.52
  37. 37.What is the value of the digit 3 in 35.716? (a) 30 (b) 0.3 (c) 3 (d) 0.03
  38. 38.What is the value of the digit 5 in 65.127? (a) 0.05 (b) 0.5 (c) 5 (d) 50
  39. 39.8.37 + 6.8 = ? (a) 15.17 (b) 15.27 (c) 15.07 (d) 9.05
  40. 40.Which is the smallest: 0.39, 0.094, 0.298, 0.3? (a) 0.39 (b) 0.094 (c) 0.298 (d) 0.3

Answer key

  1. 0.86
  2. 80
  3. 0.093
  4. 10
  5. 3
  6. 0.078
  7. 5.15
  8. 0.014
  9. 0.09
  10. 3.89
  11. 16.08
  12. 13.73
  13. 0.76
  14. 6.69
  15. 11.65
  16. 0.42
  17. 0.07
  18. 0.007
  19. 0.71
  20. 3
  21. 11.31
  22. 5.84
  23. 0.039
  24. 13.42
  25. 11.21
  26. 0.64
  27. 0.002
  28. 0.052
  29. 12.84
  30. 8
  31. 0.048
  32. 0.06
  33. 0.006
  34. 0.52
  35. 20
  36. 9.52
  37. 30
  38. 5
  39. 15.17
  40. 0.094

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