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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 678 · 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 3 in 36.412? (a) 0.03 (b) 0.3 (c) 3 (d) 30
  2. 2.What is the value of the digit 4 in 14.386? (a) 0.04 (b) 40 (c) 0.4 (d) 4
  3. 3.What is the value of the digit 4 in 45.718? (a) 4 (b) 0.04 (c) 40 (d) 0.4
  4. 4.What is the value of the digit 5 in 68.254? (a) 0.05 (b) 0.5 (c) 5 (d) 0.005
  5. 5.9.01 + 3.8 = ? (a) 9.39 (b) 12.71 (c) 12.91 (d) 12.81
  6. 6.3.13 + 2.7 = ? (a) 5.73 (b) 5.93 (c) 3.4 (d) 5.83
  7. 7.What is the value of the digit 2 in 41.285? (a) 0.02 (b) 2 (c) 0.2 (d) 0.002
  8. 8.Which is the smallest: 0.062, 0.194, 0.2, 0.29? (a) 0.062 (b) 0.194 (c) 0.2 (d) 0.29
  9. 9.What is the value of the digit 6 in 87.269? (a) 0.6 (b) 0.06 (c) 0.006 (d) 6
  10. 10.Which is the smallest: 0.032, 0.462, 0.5, 0.51? (a) 0.032 (b) 0.462 (c) 0.5 (d) 0.51
  11. 11.5.62 + 6.1 = ? (a) 11.62 (b) 11.72 (c) 11.82 (d) 6.23
  12. 12.Which is the greatest: 0.294, 0.056, 0.38, 0.3? (a) 0.294 (b) 0.056 (c) 0.38 (d) 0.3
  13. 13.What is the value of the digit 5 in 81.596? (a) 5 (b) 0.05 (c) 0.005 (d) 0.5
  14. 14.Which is the smallest: 0.593, 0.64, 0.6, 0.098? (a) 0.593 (b) 0.64 (c) 0.6 (d) 0.098
  15. 15.5.21 + 3.5 = ? (a) 8.81 (b) 5.56 (c) 8.61 (d) 8.71
  16. 16.7.31 + 6.7 = ? (a) 7.98 (b) 13.91 (c) 14.11 (d) 14.01
  17. 17.What is the value of the digit 7 in 52.147? (a) 0.007 (b) 0.07 (c) 0.7 (d) 7
  18. 18.Which is the smallest: 0.78, 0.7, 0.032, 0.687? (a) 0.78 (b) 0.7 (c) 0.032 (d) 0.687
  19. 19.What is the value of the digit 8 in 82.341? (a) 0.8 (b) 8 (c) 0.08 (d) 80
  20. 20.Which is the smallest: 0.32, 0.3, 0.216, 0.037? (a) 0.32 (b) 0.3 (c) 0.216 (d) 0.037
  21. 21.5.22 + 6.6 = ? (a) 5.88 (b) 11.92 (c) 11.72 (d) 11.82
  22. 22.What is the value of the digit 9 in 93.574? (a) 0.09 (b) 90 (c) 9 (d) 0.9
  23. 23.What is the value of the digit 2 in 95.276? (a) 0.02 (b) 2 (c) 0.2 (d) 0.002
  24. 24.Which is the smallest: 0.79, 0.055, 0.7, 0.666? (a) 0.79 (b) 0.055 (c) 0.7 (d) 0.666
  25. 25.What is the value of the digit 5 in 68.521? (a) 0.005 (b) 5 (c) 0.05 (d) 0.5
  26. 26.What is the value of the digit 2 in 18.259? (a) 0.02 (b) 2 (c) 0.2 (d) 0.002
  27. 27.Which is the greatest: 0.4, 0.315, 0.021, 0.42? (a) 0.4 (b) 0.315 (c) 0.021 (d) 0.42
  28. 28.4.21 + 7.6 = ? (a) 4.97 (b) 11.81 (c) 11.71 (d) 11.91
  29. 29.Which is the smallest: 0.264, 0.013, 0.3, 0.35? (a) 0.264 (b) 0.013 (c) 0.3 (d) 0.35
  30. 30.What is the value of the digit 2 in 41.982? (a) 0.02 (b) 0.2 (c) 2 (d) 0.002
  31. 31.Which is the greatest: 0.096, 0.223, 0.3, 0.34? (a) 0.096 (b) 0.223 (c) 0.3 (d) 0.34
  32. 32.9.38 + 2.4 = ? (a) 11.78 (b) 11.68 (c) 9.62 (d) 11.88
  33. 33.Which is the smallest: 0.015, 0.524, 0.65, 0.6? (a) 0.015 (b) 0.524 (c) 0.65 (d) 0.6
  34. 34.What is the value of the digit 2 in 87.529? (a) 2 (b) 0.02 (c) 0.002 (d) 0.2
  35. 35.Which is the greatest: 0.3, 0.259, 0.38, 0.052? (a) 0.3 (b) 0.259 (c) 0.38 (d) 0.052
  36. 36.Which is the smallest: 0.397, 0.087, 0.4, 0.47? (a) 0.397 (b) 0.087 (c) 0.4 (d) 0.47
  37. 37.Which is the smallest: 0.67, 0.544, 0.044, 0.6? (a) 0.67 (b) 0.544 (c) 0.044 (d) 0.6
  38. 38.9.94 + 7.1 = ? (a) 17.14 (b) 16.94 (c) 17.04 (d) 10.65
  39. 39.What is the value of the digit 1 in 89.215? (a) 0.01 (b) 0.1 (c) 1 (d) 0.001
  40. 40.What is the value of the digit 2 in 75.261? (a) 0.2 (b) 2 (c) 0.002 (d) 0.02

Answer key

  1. 30
  2. 4
  3. 40
  4. 0.05
  5. 12.81
  6. 5.83
  7. 0.2
  8. 0.062
  9. 0.06
  10. 0.032
  11. 11.72
  12. 0.38
  13. 0.5
  14. 0.098
  15. 8.71
  16. 14.01
  17. 0.007
  18. 0.032
  19. 80
  20. 0.037
  21. 11.82
  22. 90
  23. 0.2
  24. 0.055
  25. 0.5
  26. 0.2
  27. 0.42
  28. 11.81
  29. 0.013
  30. 0.002
  31. 0.34
  32. 11.78
  33. 0.015
  34. 0.02
  35. 0.38
  36. 0.087
  37. 0.044
  38. 17.04
  39. 0.01
  40. 0.2

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