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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 764 · 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: 0.119, 0.053, 0.24, 0.2? (a) 0.119 (b) 0.053 (c) 0.24 (d) 0.2
  2. 2.Which is the greatest: 0.3, 0.094, 0.37, 0.264? (a) 0.3 (b) 0.094 (c) 0.37 (d) 0.264
  3. 3.What is the value of the digit 6 in 93.456? (a) 0.06 (b) 6 (c) 0.6 (d) 0.006
  4. 4.6.65 + 4.7 = ? (a) 11.25 (b) 11.35 (c) 7.12 (d) 11.45
  5. 5.2.95 + 5.1 = ? (a) 8.05 (b) 3.46 (c) 7.95 (d) 8.15
  6. 6.9.06 + 8.8 = ? (a) 17.76 (b) 17.96 (c) 17.86 (d) 9.94
  7. 7.Which is the greatest: 0.046, 0.697, 0.77, 0.7? (a) 0.046 (b) 0.697 (c) 0.77 (d) 0.7
  8. 8.Which is the smallest: 0.065, 0.3, 0.214, 0.34? (a) 0.065 (b) 0.3 (c) 0.214 (d) 0.34
  9. 9.What is the value of the digit 6 in 41.368? (a) 0.06 (b) 6 (c) 0.6 (d) 0.006
  10. 10.What is the value of the digit 3 in 96.431? (a) 3 (b) 0.003 (c) 0.3 (d) 0.03
  11. 11.Which is the greatest: 0.513, 0.6, 0.053, 0.68? (a) 0.513 (b) 0.6 (c) 0.053 (d) 0.68
  12. 12.Which is the greatest: 0.683, 0.71, 0.036, 0.7? (a) 0.683 (b) 0.71 (c) 0.036 (d) 0.7
  13. 13.4.65 + 7.1 = ? (a) 5.36 (b) 11.75 (c) 11.85 (d) 11.65
  14. 14.2.63 + 7.1 = ? (a) 9.83 (b) 9.73 (c) 9.63 (d) 3.34
  15. 15.4.38 + 7.5 = ? (a) 11.78 (b) 11.98 (c) 5.13 (d) 11.88
  16. 16.What is the value of the digit 9 in 18.927? (a) 0.09 (b) 9 (c) 0.009 (d) 0.9
  17. 17.Which is the smallest: 0.761, 0.054, 0.8, 0.84? (a) 0.761 (b) 0.054 (c) 0.8 (d) 0.84
  18. 18.3.38 + 7.6 = ? (a) 10.88 (b) 11.08 (c) 10.98 (d) 4.14
  19. 19.Which is the smallest: 0.096, 0.66, 0.589, 0.6? (a) 0.096 (b) 0.66 (c) 0.589 (d) 0.6
  20. 20.What is the value of the digit 5 in 47.685? (a) 0.5 (b) 5 (c) 0.005 (d) 0.05
  21. 21.What is the value of the digit 2 in 63.521? (a) 0.2 (b) 2 (c) 0.02 (d) 0.002
  22. 22.Which is the greatest: 0.065, 0.64, 0.6, 0.521? (a) 0.065 (b) 0.64 (c) 0.6 (d) 0.521
  23. 23.What is the value of the digit 9 in 62.519? (a) 0.009 (b) 9 (c) 0.9 (d) 0.09
  24. 24.What is the value of the digit 6 in 42.963? (a) 0.06 (b) 0.6 (c) 6 (d) 0.006
  25. 25.What is the value of the digit 6 in 19.673? (a) 0.006 (b) 0.06 (c) 0.6 (d) 6
  26. 26.6.41 + 8.1 = ? (a) 7.22 (b) 14.61 (c) 14.51 (d) 14.41
  27. 27.Which is the greatest: 0.25, 0.2, 0.091, 0.142? (a) 0.25 (b) 0.2 (c) 0.091 (d) 0.142
  28. 28.2.63 + 1.8 = ? (a) 4.43 (b) 4.53 (c) 2.81 (d) 4.33
  29. 29.7.71 + 4.6 = ? (a) 8.17 (b) 12.41 (c) 12.21 (d) 12.31
  30. 30.What is the value of the digit 3 in 63.925? (a) 0.03 (b) 0.3 (c) 30 (d) 3
  31. 31.What is the value of the digit 4 in 41.327? (a) 4 (b) 0.04 (c) 40 (d) 0.4
  32. 32.What is the value of the digit 5 in 54.172? (a) 5 (b) 0.05 (c) 0.5 (d) 50
  33. 33.1.62 + 1.9 = ? (a) 1.81 (b) 3.62 (c) 3.52 (d) 3.42
  34. 34.7.11 + 2.2 = ? (a) 9.31 (b) 9.41 (c) 9.21 (d) 7.33
  35. 35.Which is the smallest: 0.033, 0.23, 0.2, 0.141? (a) 0.033 (b) 0.23 (c) 0.2 (d) 0.141
  36. 36.6.37 + 4.1 = ? (a) 6.78 (b) 10.57 (c) 10.37 (d) 10.47
  37. 37.What is the value of the digit 1 in 69.231? (a) 0.01 (b) 1 (c) 0.001 (d) 0.1
  38. 38.What is the value of the digit 5 in 71.852? (a) 0.5 (b) 0.05 (c) 5 (d) 0.005
  39. 39.Which is the smallest: 0.114, 0.26, 0.2, 0.053? (a) 0.114 (b) 0.26 (c) 0.2 (d) 0.053
  40. 40.Which is the smallest: 0.114, 0.23, 0.084, 0.2? (a) 0.114 (b) 0.23 (c) 0.084 (d) 0.2

Answer key

  1. 0.053
  2. 0.37
  3. 0.006
  4. 11.35
  5. 8.05
  6. 17.86
  7. 0.77
  8. 0.065
  9. 0.06
  10. 0.03
  11. 0.68
  12. 0.71
  13. 11.75
  14. 9.73
  15. 11.88
  16. 0.9
  17. 0.054
  18. 10.98
  19. 0.096
  20. 0.005
  21. 0.02
  22. 0.64
  23. 0.009
  24. 0.06
  25. 0.6
  26. 14.51
  27. 0.25
  28. 4.43
  29. 12.31
  30. 3
  31. 40
  32. 50
  33. 3.52
  34. 9.31
  35. 0.033
  36. 10.47
  37. 0.001
  38. 0.05
  39. 0.053
  40. 0.084

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