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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 188 · 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 2 in 23.861? (a) 0.02 (b) 0.2 (c) 20 (d) 2
  2. 2.What is the value of the digit 4 in 13.457? (a) 0.04 (b) 4 (c) 0.004 (d) 0.4
  3. 3.What is the value of the digit 6 in 17.596? (a) 0.06 (b) 0.6 (c) 6 (d) 0.006
  4. 4.5.71 + 5.2 = ? (a) 10.91 (b) 6.23 (c) 10.81 (d) 11.01
  5. 5.Which is the greatest: 0.8, 0.795, 0.036, 0.82? (a) 0.8 (b) 0.795 (c) 0.036 (d) 0.82
  6. 6.5.58 + 2.8 = ? (a) 8.28 (b) 5.86 (c) 8.48 (d) 8.38
  7. 7.Which is the greatest: 0.4, 0.49, 0.363, 0.087? (a) 0.4 (b) 0.49 (c) 0.363 (d) 0.087
  8. 8.Which is the greatest: 0.023, 0.62, 0.6, 0.523? (a) 0.023 (b) 0.62 (c) 0.6 (d) 0.523
  9. 9.Which is the greatest: 0.282, 0.3, 0.33, 0.025? (a) 0.282 (b) 0.3 (c) 0.33 (d) 0.025
  10. 10.9.66 + 6.1 = ? (a) 15.76 (b) 10.27 (c) 15.86 (d) 15.66
  11. 11.Which is the smallest: 0.8, 0.88, 0.726, 0.041? (a) 0.8 (b) 0.88 (c) 0.726 (d) 0.041
  12. 12.Which is the smallest: 0.631, 0.7, 0.047, 0.78? (a) 0.631 (b) 0.7 (c) 0.047 (d) 0.78
  13. 13.1.25 + 7.7 = ? (a) 8.85 (b) 8.95 (c) 9.05 (d) 2.02
  14. 14.What is the value of the digit 9 in 37.956? (a) 0.09 (b) 0.9 (c) 9 (d) 0.009
  15. 15.7.11 + 3.2 = ? (a) 7.43 (b) 10.21 (c) 10.41 (d) 10.31
  16. 16.Which is the greatest: 0.684, 0.045, 0.74, 0.7? (a) 0.684 (b) 0.045 (c) 0.74 (d) 0.7
  17. 17.5.19 + 3.9 = ? (a) 9.09 (b) 8.99 (c) 9.19 (d) 5.58
  18. 18.1.77 + 5.7 = ? (a) 7.37 (b) 7.57 (c) 7.47 (d) 2.34
  19. 19.2.02 + 5.7 = ? (a) 7.62 (b) 7.72 (c) 7.82 (d) 2.59
  20. 20.6.28 + 8.4 = ? (a) 14.68 (b) 14.78 (c) 7.12 (d) 14.58
  21. 21.What is the value of the digit 2 in 62.953? (a) 0.2 (b) 0.02 (c) 2 (d) 20
  22. 22.7.87 + 2.7 = ? (a) 10.47 (b) 10.57 (c) 8.14 (d) 10.67
  23. 23.What is the value of the digit 3 in 74.932? (a) 3 (b) 0.3 (c) 0.003 (d) 0.03
  24. 24.Which is the greatest: 0.045, 0.64, 0.6, 0.544? (a) 0.045 (b) 0.64 (c) 0.6 (d) 0.544
  25. 25.What is the value of the digit 1 in 61.259? (a) 0.1 (b) 0.01 (c) 10 (d) 1
  26. 26.Which is the smallest: 0.22, 0.146, 0.2, 0.014? (a) 0.22 (b) 0.146 (c) 0.2 (d) 0.014
  27. 27.What is the value of the digit 3 in 12.563? (a) 0.03 (b) 0.3 (c) 0.003 (d) 3
  28. 28.4.45 + 3.4 = ? (a) 7.95 (b) 7.85 (c) 4.79 (d) 7.75
  29. 29.What is the value of the digit 9 in 97.135? (a) 90 (b) 0.09 (c) 9 (d) 0.9
  30. 30.6.59 + 2.5 = ? (a) 9.09 (b) 9.19 (c) 8.99 (d) 6.84
  31. 31.What is the value of the digit 2 in 86.723? (a) 0.002 (b) 0.2 (c) 0.02 (d) 2
  32. 32.4.59 + 5.8 = ? (a) 10.49 (b) 10.29 (c) 10.39 (d) 5.17
  33. 33.Which is the greatest: 0.71, 0.058, 0.679, 0.7? (a) 0.71 (b) 0.058 (c) 0.679 (d) 0.7
  34. 34.3.08 + 7.9 = ? (a) 3.87 (b) 10.98 (c) 10.88 (d) 11.08
  35. 35.What is the value of the digit 4 in 87.461? (a) 4 (b) 0.004 (c) 0.04 (d) 0.4
  36. 36.Which is the greatest: 0.5, 0.53, 0.476, 0.014? (a) 0.5 (b) 0.53 (c) 0.476 (d) 0.014
  37. 37.Which is the smallest: 0.47, 0.4, 0.328, 0.088? (a) 0.47 (b) 0.4 (c) 0.328 (d) 0.088
  38. 38.What is the value of the digit 4 in 84.253? (a) 40 (b) 0.4 (c) 0.04 (d) 4
  39. 39.What is the value of the digit 7 in 71.549? (a) 0.7 (b) 7 (c) 0.07 (d) 70
  40. 40.What is the value of the digit 5 in 83.516? (a) 0.05 (b) 5 (c) 0.005 (d) 0.5

Answer key

  1. 20
  2. 0.4
  3. 0.006
  4. 10.91
  5. 0.82
  6. 8.38
  7. 0.49
  8. 0.62
  9. 0.33
  10. 15.76
  11. 0.041
  12. 0.047
  13. 8.95
  14. 0.9
  15. 10.31
  16. 0.74
  17. 9.09
  18. 7.47
  19. 7.72
  20. 14.68
  21. 2
  22. 10.57
  23. 0.03
  24. 0.64
  25. 1
  26. 0.014
  27. 0.003
  28. 7.85
  29. 90
  30. 9.09
  31. 0.02
  32. 10.39
  33. 0.71
  34. 10.98
  35. 0.4
  36. 0.53
  37. 0.088
  38. 4
  39. 70
  40. 0.5

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