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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 476 · 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: 0.084, 0.4, 0.326, 0.42? (a) 0.084 (b) 0.4 (c) 0.326 (d) 0.42
  2. 2.What is the value of the digit 1 in 63.971? (a) 0.1 (b) 1 (c) 0.001 (d) 0.01
  3. 3.What is the value of the digit 7 in 27.193? (a) 0.7 (b) 0.07 (c) 7 (d) 70
  4. 4.Which is the greatest: 0.017, 0.3, 0.267, 0.38? (a) 0.017 (b) 0.3 (c) 0.267 (d) 0.38
  5. 5.Which is the smallest: 0.5, 0.495, 0.53, 0.025? (a) 0.5 (b) 0.495 (c) 0.53 (d) 0.025
  6. 6.What is the value of the digit 7 in 59.827? (a) 7 (b) 0.7 (c) 0.07 (d) 0.007
  7. 7.4.73 + 1.3 = ? (a) 6.13 (b) 5.93 (c) 6.03 (d) 4.86
  8. 8.4.64 + 8.2 = ? (a) 12.74 (b) 12.94 (c) 12.84 (d) 5.46
  9. 9.Which is the smallest: 0.453, 0.53, 0.096, 0.5? (a) 0.453 (b) 0.53 (c) 0.096 (d) 0.5
  10. 10.What is the value of the digit 3 in 71.342? (a) 0.3 (b) 0.03 (c) 3 (d) 0.003
  11. 11.What is the value of the digit 2 in 35.291? (a) 0.002 (b) 0.2 (c) 0.02 (d) 2
  12. 12.What is the value of the digit 6 in 38.167? (a) 0.6 (b) 0.006 (c) 0.06 (d) 6
  13. 13.6.21 + 6.1 = ? (a) 12.21 (b) 12.31 (c) 12.41 (d) 6.82
  14. 14.Which is the smallest: 0.516, 0.082, 0.63, 0.6? (a) 0.516 (b) 0.082 (c) 0.63 (d) 0.6
  15. 15.8.44 + 9.3 = ? (a) 9.37 (b) 17.74 (c) 17.64 (d) 17.84
  16. 16.6.52 + 8.1 = ? (a) 14.62 (b) 14.52 (c) 14.72 (d) 7.33
  17. 17.8.95 + 1.2 = ? (a) 9.07 (b) 10.25 (c) 10.05 (d) 10.15
  18. 18.What is the value of the digit 7 in 59.167? (a) 0.007 (b) 0.07 (c) 0.7 (d) 7
  19. 19.What is the value of the digit 4 in 41.596? (a) 4 (b) 0.04 (c) 40 (d) 0.4
  20. 20.4.58 + 3.8 = ? (a) 8.48 (b) 8.28 (c) 4.96 (d) 8.38
  21. 21.What is the value of the digit 9 in 51.789? (a) 0.09 (b) 9 (c) 0.9 (d) 0.009
  22. 22.Which is the greatest: 0.6, 0.66, 0.023, 0.517? (a) 0.6 (b) 0.66 (c) 0.023 (d) 0.517
  23. 23.7.36 + 2.8 = ? (a) 10.26 (b) 10.16 (c) 10.06 (d) 7.64
  24. 24.Which is the greatest: 0.24, 0.193, 0.2, 0.027? (a) 0.24 (b) 0.193 (c) 0.2 (d) 0.027
  25. 25.1.33 + 2.1 = ? (a) 3.43 (b) 1.54 (c) 3.33 (d) 3.53
  26. 26.9.58 + 4.9 = ? (a) 10.07 (b) 14.48 (c) 14.38 (d) 14.58
  27. 27.Which is the smallest: 0.3, 0.211, 0.093, 0.34? (a) 0.3 (b) 0.211 (c) 0.093 (d) 0.34
  28. 28.Which is the smallest: 0.025, 0.193, 0.29, 0.2? (a) 0.025 (b) 0.193 (c) 0.29 (d) 0.2
  29. 29.4.11 + 9.2 = ? (a) 13.41 (b) 5.03 (c) 13.21 (d) 13.31
  30. 30.What is the value of the digit 1 in 39.581? (a) 1 (b) 0.001 (c) 0.1 (d) 0.01
  31. 31.Which is the greatest: 0.89, 0.073, 0.731, 0.8? (a) 0.89 (b) 0.073 (c) 0.731 (d) 0.8
  32. 32.8.72 + 2.7 = ? (a) 8.99 (b) 11.32 (c) 11.52 (d) 11.42
  33. 33.1.73 + 7.4 = ? (a) 9.23 (b) 9.13 (c) 2.47 (d) 9.03
  34. 34.2.71 + 9.3 = ? (a) 12.01 (b) 3.64 (c) 12.11 (d) 11.91
  35. 35.What is the value of the digit 3 in 24.153? (a) 0.3 (b) 0.03 (c) 3 (d) 0.003
  36. 36.What is the value of the digit 2 in 32.987? (a) 2 (b) 20 (c) 0.02 (d) 0.2
  37. 37.9.29 + 1.5 = ? (a) 10.79 (b) 10.69 (c) 10.89 (d) 9.44
  38. 38.Which is the smallest: 0.632, 0.075, 0.75, 0.7? (a) 0.632 (b) 0.075 (c) 0.75 (d) 0.7
  39. 39.1.94 + 6.1 = ? (a) 8.04 (b) 8.14 (c) 7.94 (d) 2.55
  40. 40.What is the value of the digit 1 in 51.628? (a) 0.01 (b) 1 (c) 0.1 (d) 10

Answer key

  1. 0.084
  2. 0.001
  3. 7
  4. 0.38
  5. 0.025
  6. 0.007
  7. 6.03
  8. 12.84
  9. 0.096
  10. 0.3
  11. 0.2
  12. 0.06
  13. 12.31
  14. 0.082
  15. 17.74
  16. 14.62
  17. 10.15
  18. 0.007
  19. 40
  20. 8.38
  21. 0.009
  22. 0.66
  23. 10.16
  24. 0.24
  25. 3.43
  26. 14.48
  27. 0.093
  28. 0.025
  29. 13.31
  30. 0.001
  31. 0.89
  32. 11.42
  33. 9.13
  34. 12.01
  35. 0.003
  36. 2
  37. 10.79
  38. 0.075
  39. 8.04
  40. 1

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