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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 463 · 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: 0.2, 0.125, 0.034, 0.29? (a) 0.2 (b) 0.125 (c) 0.034 (d) 0.29
  2. 2.What is the value of the digit 1 in 26.913? (a) 1 (b) 0.01 (c) 0.001 (d) 0.1
  3. 3.What is the value of the digit 2 in 31.258? (a) 0.002 (b) 2 (c) 0.02 (d) 0.2
  4. 4.Which is the greatest: 0.24, 0.2, 0.112, 0.088? (a) 0.24 (b) 0.2 (c) 0.112 (d) 0.088
  5. 5.Which is the smallest: 0.2, 0.012, 0.21, 0.197? (a) 0.2 (b) 0.012 (c) 0.21 (d) 0.197
  6. 6.Which is the greatest: 0.8, 0.795, 0.091, 0.89? (a) 0.8 (b) 0.795 (c) 0.091 (d) 0.89
  7. 7.9.71 + 7.3 = ? (a) 17.01 (b) 16.91 (c) 10.44 (d) 17.11
  8. 8.Which is the smallest: 0.2, 0.114, 0.22, 0.021? (a) 0.2 (b) 0.114 (c) 0.22 (d) 0.021
  9. 9.Which is the smallest: 0.2, 0.24, 0.135, 0.084? (a) 0.2 (b) 0.24 (c) 0.135 (d) 0.084
  10. 10.Which is the smallest: 0.643, 0.7, 0.069, 0.73? (a) 0.643 (b) 0.7 (c) 0.069 (d) 0.73
  11. 11.What is the value of the digit 2 in 19.723? (a) 0.02 (b) 0.002 (c) 0.2 (d) 2
  12. 12.Which is the smallest: 0.351, 0.023, 0.4, 0.47? (a) 0.351 (b) 0.023 (c) 0.4 (d) 0.47
  13. 13.3.26 + 1.6 = ? (a) 4.76 (b) 4.96 (c) 3.42 (d) 4.86
  14. 14.1.05 + 7.6 = ? (a) 8.65 (b) 1.81 (c) 8.75 (d) 8.55
  15. 15.Which is the greatest: 0.41, 0.4, 0.049, 0.391? (a) 0.41 (b) 0.4 (c) 0.049 (d) 0.391
  16. 16.What is the value of the digit 9 in 15.984? (a) 0.9 (b) 0.09 (c) 0.009 (d) 9
  17. 17.8.72 + 8.8 = ? (a) 17.62 (b) 17.52 (c) 9.6 (d) 17.42
  18. 18.What is the value of the digit 5 in 56.297? (a) 0.05 (b) 0.5 (c) 5 (d) 50
  19. 19.What is the value of the digit 6 in 64.172? (a) 60 (b) 0.6 (c) 0.06 (d) 6
  20. 20.What is the value of the digit 9 in 28.759? (a) 0.9 (b) 0.009 (c) 0.09 (d) 9
  21. 21.Which is the smallest: 0.6, 0.531, 0.64, 0.073? (a) 0.6 (b) 0.531 (c) 0.64 (d) 0.073
  22. 22.Which is the greatest: 0.32, 0.3, 0.031, 0.211? (a) 0.32 (b) 0.3 (c) 0.031 (d) 0.211
  23. 23.What is the value of the digit 2 in 52.491? (a) 20 (b) 0.02 (c) 0.2 (d) 2
  24. 24.5.37 + 1.9 = ? (a) 5.56 (b) 7.27 (c) 7.17 (d) 7.37
  25. 25.7.59 + 4.9 = ? (a) 12.49 (b) 12.39 (c) 12.59 (d) 8.08
  26. 26.What is the value of the digit 7 in 18.527? (a) 0.7 (b) 0.07 (c) 7 (d) 0.007
  27. 27.Which is the smallest: 0.6, 0.66, 0.552, 0.076? (a) 0.6 (b) 0.66 (c) 0.552 (d) 0.076
  28. 28.Which is the smallest: 0.099, 0.379, 0.4, 0.47? (a) 0.099 (b) 0.379 (c) 0.4 (d) 0.47
  29. 29.6.34 + 5.4 = ? (a) 11.74 (b) 11.84 (c) 6.88 (d) 11.64
  30. 30.What is the value of the digit 9 in 49.321? (a) 0.09 (b) 0.9 (c) 9 (d) 90
  31. 31.Which is the smallest: 0.792, 0.061, 0.88, 0.8? (a) 0.792 (b) 0.061 (c) 0.88 (d) 0.8
  32. 32.What is the value of the digit 5 in 17.925? (a) 0.05 (b) 5 (c) 0.5 (d) 0.005
  33. 33.Which is the smallest: 0.3, 0.39, 0.047, 0.293? (a) 0.3 (b) 0.39 (c) 0.047 (d) 0.293
  34. 34.What is the value of the digit 2 in 42.631? (a) 20 (b) 0.2 (c) 0.02 (d) 2
  35. 35.4.77 + 1.4 = ? (a) 4.91 (b) 6.07 (c) 6.27 (d) 6.17
  36. 36.Which is the smallest: 0.78, 0.7, 0.696, 0.059? (a) 0.78 (b) 0.7 (c) 0.696 (d) 0.059
  37. 37.Which is the greatest: 0.6, 0.569, 0.61, 0.016? (a) 0.6 (b) 0.569 (c) 0.61 (d) 0.016
  38. 38.Which is the smallest: 0.039, 0.31, 0.3, 0.251? (a) 0.039 (b) 0.31 (c) 0.3 (d) 0.251
  39. 39.What is the value of the digit 7 in 16.723? (a) 0.007 (b) 0.7 (c) 0.07 (d) 7
  40. 40.6.39 + 8.2 = ? (a) 14.69 (b) 14.49 (c) 7.21 (d) 14.59

Answer key

  1. 0.034
  2. 0.01
  3. 0.2
  4. 0.24
  5. 0.012
  6. 0.89
  7. 17.01
  8. 0.021
  9. 0.084
  10. 0.069
  11. 0.02
  12. 0.023
  13. 4.86
  14. 8.65
  15. 0.41
  16. 0.9
  17. 17.52
  18. 50
  19. 60
  20. 0.009
  21. 0.073
  22. 0.32
  23. 2
  24. 7.27
  25. 12.49
  26. 0.007
  27. 0.076
  28. 0.099
  29. 11.74
  30. 9
  31. 0.061
  32. 0.005
  33. 0.047
  34. 2
  35. 6.17
  36. 0.059
  37. 0.61
  38. 0.039
  39. 0.7
  40. 14.59

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