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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 284 · 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: 0.75, 0.625, 0.027, 0.7? (a) 0.75 (b) 0.625 (c) 0.027 (d) 0.7
  2. 2.Which is the smallest: 0.39, 0.3, 0.227, 0.031? (a) 0.39 (b) 0.3 (c) 0.227 (d) 0.031
  3. 3.What is the value of the digit 8 in 54.283? (a) 0.8 (b) 0.008 (c) 8 (d) 0.08
  4. 4.Which is the greatest: 0.32, 0.3, 0.052, 0.251? (a) 0.32 (b) 0.3 (c) 0.052 (d) 0.251
  5. 5.2.06 + 4.1 = ? (a) 6.16 (b) 6.06 (c) 2.47 (d) 6.26
  6. 6.Which is the greatest: 0.6, 0.63, 0.028, 0.554? (a) 0.6 (b) 0.63 (c) 0.028 (d) 0.554
  7. 7.Which is the greatest: 0.2, 0.095, 0.181, 0.27? (a) 0.2 (b) 0.095 (c) 0.181 (d) 0.27
  8. 8.What is the value of the digit 2 in 37.261? (a) 0.2 (b) 2 (c) 0.02 (d) 0.002
  9. 9.2.28 + 9.4 = ? (a) 11.78 (b) 3.22 (c) 11.68 (d) 11.58
  10. 10.Which is the greatest: 0.21, 0.121, 0.026, 0.2? (a) 0.21 (b) 0.121 (c) 0.026 (d) 0.2
  11. 11.Which is the greatest: 0.43, 0.017, 0.319, 0.4? (a) 0.43 (b) 0.017 (c) 0.319 (d) 0.4
  12. 12.2.96 + 2.3 = ? (a) 5.36 (b) 3.19 (c) 5.26 (d) 5.16
  13. 13.What is the value of the digit 2 in 36.821? (a) 0.2 (b) 0.02 (c) 0.002 (d) 2
  14. 14.Which is the smallest: 0.39, 0.016, 0.274, 0.3? (a) 0.39 (b) 0.016 (c) 0.274 (d) 0.3
  15. 15.What is the value of the digit 3 in 96.731? (a) 0.3 (b) 3 (c) 0.03 (d) 0.003
  16. 16.Which is the smallest: 0.2, 0.26, 0.161, 0.041? (a) 0.2 (b) 0.26 (c) 0.161 (d) 0.041
  17. 17.Which is the smallest: 0.066, 0.25, 0.2, 0.117? (a) 0.066 (b) 0.25 (c) 0.2 (d) 0.117
  18. 18.Which is the greatest: 0.21, 0.2, 0.011, 0.153? (a) 0.21 (b) 0.2 (c) 0.011 (d) 0.153
  19. 19.What is the value of the digit 5 in 78.356? (a) 0.005 (b) 0.5 (c) 5 (d) 0.05
  20. 20.Which is the greatest: 0.118, 0.21, 0.2, 0.035? (a) 0.118 (b) 0.21 (c) 0.2 (d) 0.035
  21. 21.What is the value of the digit 7 in 72.835? (a) 70 (b) 0.7 (c) 7 (d) 0.07
  22. 22.2.93 + 8.1 = ? (a) 3.74 (b) 11.13 (c) 11.03 (d) 10.93
  23. 23.4.94 + 9.5 = ? (a) 14.54 (b) 14.34 (c) 5.89 (d) 14.44
  24. 24.What is the value of the digit 4 in 71.435? (a) 0.04 (b) 0.4 (c) 4 (d) 0.004
  25. 25.Which is the smallest: 0.61, 0.045, 0.532, 0.6? (a) 0.61 (b) 0.045 (c) 0.532 (d) 0.6
  26. 26.3.22 + 4.5 = ? (a) 7.72 (b) 7.82 (c) 3.67 (d) 7.62
  27. 27.What is the value of the digit 1 in 41.869? (a) 0.01 (b) 10 (c) 1 (d) 0.1
  28. 28.9.11 + 1.4 = ? (a) 9.25 (b) 10.51 (c) 10.41 (d) 10.61
  29. 29.What is the value of the digit 4 in 42.186? (a) 0.04 (b) 0.4 (c) 4 (d) 40
  30. 30.Which is the smallest: 0.8, 0.084, 0.772, 0.81? (a) 0.8 (b) 0.084 (c) 0.772 (d) 0.81
  31. 31.Which is the smallest: 0.51, 0.471, 0.064, 0.5? (a) 0.51 (b) 0.471 (c) 0.064 (d) 0.5
  32. 32.Which is the smallest: 0.047, 0.417, 0.56, 0.5? (a) 0.047 (b) 0.417 (c) 0.56 (d) 0.5
  33. 33.Which is the smallest: 0.056, 0.85, 0.8, 0.758? (a) 0.056 (b) 0.85 (c) 0.8 (d) 0.758
  34. 34.What is the value of the digit 7 in 98.732? (a) 7 (b) 0.007 (c) 0.07 (d) 0.7
  35. 35.What is the value of the digit 3 in 18.392? (a) 3 (b) 0.03 (c) 0.003 (d) 0.3
  36. 36.Which is the greatest: 0.521, 0.66, 0.6, 0.031? (a) 0.521 (b) 0.66 (c) 0.6 (d) 0.031
  37. 37.What is the value of the digit 3 in 23.746? (a) 30 (b) 0.3 (c) 0.03 (d) 3
  38. 38.Which is the greatest: 0.359, 0.095, 0.4, 0.42? (a) 0.359 (b) 0.095 (c) 0.4 (d) 0.42
  39. 39.Which is the smallest: 0.332, 0.065, 0.46, 0.4? (a) 0.332 (b) 0.065 (c) 0.46 (d) 0.4
  40. 40.Which is the greatest: 0.25, 0.2, 0.062, 0.148? (a) 0.25 (b) 0.2 (c) 0.062 (d) 0.148

Answer key

  1. 0.027
  2. 0.031
  3. 0.08
  4. 0.32
  5. 6.16
  6. 0.63
  7. 0.27
  8. 0.2
  9. 11.68
  10. 0.21
  11. 0.43
  12. 5.26
  13. 0.02
  14. 0.016
  15. 0.03
  16. 0.041
  17. 0.066
  18. 0.21
  19. 0.05
  20. 0.21
  21. 70
  22. 11.03
  23. 14.44
  24. 0.4
  25. 0.045
  26. 7.72
  27. 1
  28. 10.51
  29. 40
  30. 0.084
  31. 0.064
  32. 0.047
  33. 0.056
  34. 0.7
  35. 0.3
  36. 0.66
  37. 3
  38. 0.42
  39. 0.065
  40. 0.25

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