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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 754 · 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: 0.094, 0.733, 0.8, 0.84? (a) 0.094 (b) 0.733 (c) 0.8 (d) 0.84
  2. 2.4.44 + 6.7 = ? (a) 11.14 (b) 11.04 (c) 5.11 (d) 11.24
  3. 3.9.77 + 6.2 = ? (a) 16.07 (b) 10.39 (c) 15.87 (d) 15.97
  4. 4.What is the value of the digit 3 in 92.153? (a) 0.003 (b) 0.03 (c) 3 (d) 0.3
  5. 5.What is the value of the digit 9 in 78.692? (a) 0.09 (b) 9 (c) 0.009 (d) 0.9
  6. 6.8.55 + 6.6 = ? (a) 15.25 (b) 9.21 (c) 15.05 (d) 15.15
  7. 7.What is the value of the digit 9 in 51.937? (a) 9 (b) 0.9 (c) 0.009 (d) 0.09
  8. 8.1.29 + 9.9 = ? (a) 2.28 (b) 11.19 (c) 11.09 (d) 11.29
  9. 9.What is the value of the digit 6 in 63.815? (a) 0.6 (b) 60 (c) 0.06 (d) 6
  10. 10.What is the value of the digit 9 in 15.936? (a) 0.09 (b) 0.009 (c) 0.9 (d) 9
  11. 11.What is the value of the digit 4 in 71.425? (a) 0.04 (b) 0.004 (c) 4 (d) 0.4
  12. 12.2.12 + 7.7 = ? (a) 2.89 (b) 9.92 (c) 9.72 (d) 9.82
  13. 13.Which is the smallest: 0.242, 0.085, 0.39, 0.3? (a) 0.242 (b) 0.085 (c) 0.39 (d) 0.3
  14. 14.Which is the smallest: 0.4, 0.099, 0.48, 0.313? (a) 0.4 (b) 0.099 (c) 0.48 (d) 0.313
  15. 15.Which is the smallest: 0.89, 0.8, 0.748, 0.028? (a) 0.89 (b) 0.8 (c) 0.748 (d) 0.028
  16. 16.Which is the smallest: 0.089, 0.78, 0.641, 0.7? (a) 0.089 (b) 0.78 (c) 0.641 (d) 0.7
  17. 17.6.04 + 8.9 = ? (a) 14.94 (b) 15.04 (c) 6.93 (d) 14.84
  18. 18.Which is the greatest: 0.592, 0.032, 0.68, 0.6? (a) 0.592 (b) 0.032 (c) 0.68 (d) 0.6
  19. 19.What is the value of the digit 5 in 18.356? (a) 0.005 (b) 0.05 (c) 0.5 (d) 5
  20. 20.Which is the greatest: 0.657, 0.72, 0.013, 0.7? (a) 0.657 (b) 0.72 (c) 0.013 (d) 0.7
  21. 21.5.17 + 8.6 = ? (a) 13.67 (b) 13.77 (c) 13.87 (d) 6.03
  22. 22.8.98 + 6.2 = ? (a) 15.28 (b) 15.08 (c) 9.6 (d) 15.18
  23. 23.Which is the greatest: 0.365, 0.027, 0.43, 0.4? (a) 0.365 (b) 0.027 (c) 0.43 (d) 0.4
  24. 24.Which is the greatest: 0.185, 0.053, 0.26, 0.2? (a) 0.185 (b) 0.053 (c) 0.26 (d) 0.2
  25. 25.What is the value of the digit 5 in 21.653? (a) 5 (b) 0.005 (c) 0.05 (d) 0.5
  26. 26.Which is the greatest: 0.7, 0.636, 0.012, 0.79? (a) 0.7 (b) 0.636 (c) 0.012 (d) 0.79
  27. 27.Which is the smallest: 0.069, 0.446, 0.53, 0.5? (a) 0.069 (b) 0.446 (c) 0.53 (d) 0.5
  28. 28.Which is the greatest: 0.037, 0.5, 0.52, 0.473? (a) 0.037 (b) 0.5 (c) 0.52 (d) 0.473
  29. 29.2.21 + 6.6 = ? (a) 8.71 (b) 8.81 (c) 8.91 (d) 2.87
  30. 30.7.89 + 3.8 = ? (a) 11.69 (b) 8.27 (c) 11.59 (d) 11.79
  31. 31.What is the value of the digit 5 in 85.617? (a) 5 (b) 50 (c) 0.05 (d) 0.5
  32. 32.7.49 + 2.3 = ? (a) 9.69 (b) 7.72 (c) 9.79 (d) 9.89
  33. 33.6.17 + 3.6 = ? (a) 9.67 (b) 6.53 (c) 9.77 (d) 9.87
  34. 34.5.99 + 6.4 = ? (a) 6.63 (b) 12.49 (c) 12.29 (d) 12.39
  35. 35.What is the value of the digit 3 in 78.391? (a) 0.3 (b) 0.003 (c) 0.03 (d) 3
  36. 36.What is the value of the digit 2 in 42.761? (a) 20 (b) 0.2 (c) 0.02 (d) 2
  37. 37.What is the value of the digit 4 in 76.534? (a) 0.004 (b) 4 (c) 0.4 (d) 0.04
  38. 38.2.52 + 9.3 = ? (a) 11.82 (b) 11.72 (c) 11.92 (d) 3.45
  39. 39.2.54 + 8.3 = ? (a) 3.37 (b) 10.74 (c) 10.94 (d) 10.84
  40. 40.8.28 + 1.1 = ? (a) 8.39 (b) 9.28 (c) 9.48 (d) 9.38

Answer key

  1. 0.84
  2. 11.14
  3. 15.97
  4. 0.003
  5. 0.09
  6. 15.15
  7. 0.9
  8. 11.19
  9. 60
  10. 0.9
  11. 0.4
  12. 9.82
  13. 0.085
  14. 0.099
  15. 0.028
  16. 0.089
  17. 14.94
  18. 0.68
  19. 0.05
  20. 0.72
  21. 13.77
  22. 15.18
  23. 0.43
  24. 0.26
  25. 0.05
  26. 0.79
  27. 0.069
  28. 0.52
  29. 8.81
  30. 11.69
  31. 5
  32. 9.79
  33. 9.77
  34. 12.39
  35. 0.3
  36. 2
  37. 0.004
  38. 11.82
  39. 10.84
  40. 9.38

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