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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 742 · 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 smallest: 0.3, 0.38, 0.034, 0.217? (a) 0.3 (b) 0.38 (c) 0.034 (d) 0.217
  2. 2.What is the value of the digit 5 in 13.259? (a) 5 (b) 0.005 (c) 0.05 (d) 0.5
  3. 3.What is the value of the digit 7 in 92.874? (a) 0.007 (b) 0.7 (c) 0.07 (d) 7
  4. 4.Which is the greatest: 0.561, 0.6, 0.016, 0.65? (a) 0.561 (b) 0.6 (c) 0.016 (d) 0.65
  5. 5.Which is the greatest: 0.3, 0.251, 0.088, 0.34? (a) 0.3 (b) 0.251 (c) 0.088 (d) 0.34
  6. 6.9.33 + 3.7 = ? (a) 13.13 (b) 12.93 (c) 13.03 (d) 9.7
  7. 7.5.76 + 8.9 = ? (a) 14.76 (b) 14.56 (c) 6.65 (d) 14.66
  8. 8.What is the value of the digit 7 in 61.297? (a) 0.07 (b) 0.7 (c) 7 (d) 0.007
  9. 9.What is the value of the digit 6 in 51.628? (a) 0.06 (b) 6 (c) 0.006 (d) 0.6
  10. 10.Which is the greatest: 0.097, 0.4, 0.331, 0.48? (a) 0.097 (b) 0.4 (c) 0.331 (d) 0.48
  11. 11.1.07 + 5.1 = ? (a) 1.58 (b) 6.27 (c) 6.17 (d) 6.07
  12. 12.Which is the smallest: 0.36, 0.059, 0.3, 0.218? (a) 0.36 (b) 0.059 (c) 0.3 (d) 0.218
  13. 13.What is the value of the digit 2 in 52.319? (a) 2 (b) 0.2 (c) 20 (d) 0.02
  14. 14.3.38 + 1.5 = ? (a) 4.78 (b) 4.88 (c) 3.53 (d) 4.98
  15. 15.What is the value of the digit 1 in 72.431? (a) 0.01 (b) 1 (c) 0.001 (d) 0.1
  16. 16.Which is the greatest: 0.785, 0.89, 0.8, 0.058? (a) 0.785 (b) 0.89 (c) 0.8 (d) 0.058
  17. 17.Which is the greatest: 0.51, 0.5, 0.495, 0.025? (a) 0.51 (b) 0.5 (c) 0.495 (d) 0.025
  18. 18.What is the value of the digit 2 in 92.185? (a) 20 (b) 0.2 (c) 2 (d) 0.02
  19. 19.Which is the greatest: 0.24, 0.2, 0.119, 0.084? (a) 0.24 (b) 0.2 (c) 0.119 (d) 0.084
  20. 20.4.38 + 9.4 = ? (a) 5.32 (b) 13.88 (c) 13.68 (d) 13.78
  21. 21.Which is the smallest: 0.721, 0.88, 0.8, 0.072? (a) 0.721 (b) 0.88 (c) 0.8 (d) 0.072
  22. 22.Which is the smallest: 0.332, 0.034, 0.4, 0.48? (a) 0.332 (b) 0.034 (c) 0.4 (d) 0.48
  23. 23.7.17 + 3.3 = ? (a) 7.5 (b) 10.57 (c) 10.47 (d) 10.37
  24. 24.What is the value of the digit 4 in 42.796? (a) 0.4 (b) 40 (c) 0.04 (d) 4
  25. 25.What is the value of the digit 8 in 64.985? (a) 0.08 (b) 8 (c) 0.008 (d) 0.8
  26. 26.1.82 + 7.9 = ? (a) 9.82 (b) 2.61 (c) 9.62 (d) 9.72
  27. 27.Which is the smallest: 0.651, 0.7, 0.019, 0.77? (a) 0.651 (b) 0.7 (c) 0.019 (d) 0.77
  28. 28.What is the value of the digit 4 in 41.923? (a) 0.4 (b) 0.04 (c) 4 (d) 40
  29. 29.Which is the smallest: 0.4, 0.41, 0.334, 0.072? (a) 0.4 (b) 0.41 (c) 0.334 (d) 0.072
  30. 30.What is the value of the digit 6 in 16.347? (a) 60 (b) 0.06 (c) 0.6 (d) 6
  31. 31.6.21 + 7.1 = ? (a) 13.41 (b) 6.92 (c) 13.31 (d) 13.21
  32. 32.What is the value of the digit 3 in 31.462? (a) 0.3 (b) 0.03 (c) 3 (d) 30
  33. 33.Which is the greatest: 0.5, 0.476, 0.096, 0.59? (a) 0.5 (b) 0.476 (c) 0.096 (d) 0.59
  34. 34.What is the value of the digit 9 in 91.536? (a) 0.9 (b) 9 (c) 0.09 (d) 90
  35. 35.9.58 + 3.7 = ? (a) 13.38 (b) 9.95 (c) 13.28 (d) 13.18
  36. 36.What is the value of the digit 7 in 68.327? (a) 0.07 (b) 7 (c) 0.007 (d) 0.7
  37. 37.6.32 + 3.2 = ? (a) 9.42 (b) 9.62 (c) 6.64 (d) 9.52
  38. 38.Which is the greatest: 0.31, 0.3, 0.224, 0.049? (a) 0.31 (b) 0.3 (c) 0.224 (d) 0.049
  39. 39.Which is the greatest: 0.66, 0.579, 0.033, 0.6? (a) 0.66 (b) 0.579 (c) 0.033 (d) 0.6
  40. 40.What is the value of the digit 1 in 53.971? (a) 0.01 (b) 1 (c) 0.001 (d) 0.1

Answer key

  1. 0.034
  2. 0.05
  3. 0.07
  4. 0.65
  5. 0.34
  6. 13.03
  7. 14.66
  8. 0.007
  9. 0.6
  10. 0.48
  11. 6.17
  12. 0.059
  13. 2
  14. 4.88
  15. 0.001
  16. 0.89
  17. 0.51
  18. 2
  19. 0.24
  20. 13.78
  21. 0.072
  22. 0.034
  23. 10.47
  24. 40
  25. 0.08
  26. 9.72
  27. 0.019
  28. 40
  29. 0.072
  30. 6
  31. 13.31
  32. 30
  33. 0.59
  34. 90
  35. 13.28
  36. 0.007
  37. 9.52
  38. 0.31
  39. 0.66
  40. 0.001

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