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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 355 · 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 2 in 25.638? (a) 0.02 (b) 0.2 (c) 20 (d) 2
  2. 2.What is the value of the digit 4 in 54.371? (a) 0.4 (b) 4 (c) 40 (d) 0.04
  3. 3.What is the value of the digit 6 in 62.978? (a) 0.06 (b) 6 (c) 60 (d) 0.6
  4. 4.Which is the greatest: 0.121, 0.22, 0.2, 0.092? (a) 0.121 (b) 0.22 (c) 0.2 (d) 0.092
  5. 5.What is the value of the digit 2 in 56.723? (a) 0.2 (b) 0.02 (c) 0.002 (d) 2
  6. 6.5.13 + 3.6 = ? (a) 8.73 (b) 5.49 (c) 8.83 (d) 8.63
  7. 7.Which is the smallest: 0.227, 0.32, 0.082, 0.3? (a) 0.227 (b) 0.32 (c) 0.082 (d) 0.3
  8. 8.Which is the smallest: 0.071, 0.3, 0.31, 0.258? (a) 0.071 (b) 0.3 (c) 0.31 (d) 0.258
  9. 9.What is the value of the digit 6 in 56.239? (a) 6 (b) 0.06 (c) 60 (d) 0.6
  10. 10.2.13 + 8.4 = ? (a) 10.53 (b) 10.63 (c) 2.97 (d) 10.43
  11. 11.What is the value of the digit 1 in 31.586? (a) 0.1 (b) 1 (c) 0.01 (d) 10
  12. 12.Which is the greatest: 0.6, 0.63, 0.051, 0.536? (a) 0.6 (b) 0.63 (c) 0.051 (d) 0.536
  13. 13.What is the value of the digit 1 in 15.249? (a) 0.01 (b) 1 (c) 0.1 (d) 10
  14. 14.What is the value of the digit 8 in 87.641? (a) 0.8 (b) 8 (c) 0.08 (d) 80
  15. 15.1.31 + 4.2 = ? (a) 1.73 (b) 5.51 (c) 5.41 (d) 5.61
  16. 16.Which is the greatest: 0.2, 0.163, 0.23, 0.093? (a) 0.2 (b) 0.163 (c) 0.23 (d) 0.093
  17. 17.Which is the smallest: 0.077, 0.256, 0.3, 0.35? (a) 0.077 (b) 0.256 (c) 0.3 (d) 0.35
  18. 18.Which is the greatest: 0.67, 0.6, 0.094, 0.544? (a) 0.67 (b) 0.6 (c) 0.094 (d) 0.544
  19. 19.Which is the smallest: 0.166, 0.27, 0.082, 0.2? (a) 0.166 (b) 0.27 (c) 0.082 (d) 0.2
  20. 20.Which is the greatest: 0.075, 0.311, 0.42, 0.4? (a) 0.075 (b) 0.311 (c) 0.42 (d) 0.4
  21. 21.6.55 + 8.2 = ? (a) 14.65 (b) 14.85 (c) 7.37 (d) 14.75
  22. 22.Which is the smallest: 0.52, 0.5, 0.024, 0.459? (a) 0.52 (b) 0.5 (c) 0.024 (d) 0.459
  23. 23.Which is the greatest: 0.796, 0.88, 0.8, 0.097? (a) 0.796 (b) 0.88 (c) 0.8 (d) 0.097
  24. 24.2.99 + 8.5 = ? (a) 11.39 (b) 3.84 (c) 11.59 (d) 11.49
  25. 25.What is the value of the digit 5 in 32.185? (a) 0.005 (b) 0.05 (c) 5 (d) 0.5
  26. 26.Which is the greatest: 0.313, 0.062, 0.4, 0.42? (a) 0.313 (b) 0.062 (c) 0.4 (d) 0.42
  27. 27.1.68 + 1.9 = ? (a) 1.87 (b) 3.68 (c) 3.58 (d) 3.48
  28. 28.What is the value of the digit 5 in 92.458? (a) 5 (b) 0.005 (c) 0.5 (d) 0.05
  29. 29.4.02 + 4.1 = ? (a) 8.12 (b) 8.02 (c) 4.43 (d) 8.22
  30. 30.Which is the smallest: 0.261, 0.35, 0.3, 0.046? (a) 0.261 (b) 0.35 (c) 0.3 (d) 0.046
  31. 31.Which is the greatest: 0.743, 0.8, 0.89, 0.071? (a) 0.743 (b) 0.8 (c) 0.89 (d) 0.071
  32. 32.Which is the greatest: 0.74, 0.045, 0.663, 0.7? (a) 0.74 (b) 0.045 (c) 0.663 (d) 0.7
  33. 33.What is the value of the digit 6 in 39.416? (a) 6 (b) 0.06 (c) 0.6 (d) 0.006
  34. 34.6.03 + 2.1 = ? (a) 8.23 (b) 6.24 (c) 8.03 (d) 8.13
  35. 35.Which is the greatest: 0.188, 0.2, 0.27, 0.051? (a) 0.188 (b) 0.2 (c) 0.27 (d) 0.051
  36. 36.9.71 + 5.7 = ? (a) 15.51 (b) 10.28 (c) 15.41 (d) 15.31
  37. 37.2.01 + 7.1 = ? (a) 9.01 (b) 9.11 (c) 9.21 (d) 2.72
  38. 38.What is the value of the digit 9 in 27.198? (a) 0.9 (b) 0.009 (c) 9 (d) 0.09
  39. 39.1.31 + 9.3 = ? (a) 10.51 (b) 2.24 (c) 10.71 (d) 10.61
  40. 40.8.44 + 3.3 = ? (a) 11.64 (b) 8.77 (c) 11.84 (d) 11.74

Answer key

  1. 20
  2. 4
  3. 60
  4. 0.22
  5. 0.02
  6. 8.73
  7. 0.082
  8. 0.071
  9. 6
  10. 10.53
  11. 1
  12. 0.63
  13. 10
  14. 80
  15. 5.51
  16. 0.23
  17. 0.077
  18. 0.67
  19. 0.082
  20. 0.42
  21. 14.75
  22. 0.024
  23. 0.88
  24. 11.49
  25. 0.005
  26. 0.42
  27. 3.58
  28. 0.05
  29. 8.12
  30. 0.046
  31. 0.89
  32. 0.74
  33. 0.006
  34. 8.13
  35. 0.27
  36. 15.41
  37. 9.11
  38. 0.09
  39. 10.61
  40. 11.74

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