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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 527 · 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 8 in 86.271? (a) 80 (b) 0.08 (c) 0.8 (d) 8
  2. 2.Which is the smallest: 0.537, 0.012, 0.6, 0.66? (a) 0.537 (b) 0.012 (c) 0.6 (d) 0.66
  3. 3.What is the value of the digit 1 in 61.847? (a) 0.01 (b) 0.1 (c) 1 (d) 10
  4. 4.Which is the smallest: 0.62, 0.526, 0.6, 0.043? (a) 0.62 (b) 0.526 (c) 0.6 (d) 0.043
  5. 5.What is the value of the digit 3 in 73.158? (a) 0.03 (b) 0.3 (c) 3 (d) 30
  6. 6.What is the value of the digit 1 in 21.348? (a) 0.1 (b) 1 (c) 10 (d) 0.01
  7. 7.8.57 + 3.3 = ? (a) 11.77 (b) 11.97 (c) 11.87 (d) 8.9
  8. 8.4.55 + 9.6 = ? (a) 14.25 (b) 5.51 (c) 14.15 (d) 14.05
  9. 9.9.12 + 2.1 = ? (a) 11.32 (b) 9.33 (c) 11.12 (d) 11.22
  10. 10.What is the value of the digit 2 in 87.234? (a) 0.02 (b) 0.002 (c) 0.2 (d) 2
  11. 11.6.52 + 3.2 = ? (a) 9.62 (b) 9.72 (c) 9.82 (d) 6.84
  12. 12.Which is the greatest: 0.545, 0.64, 0.035, 0.6? (a) 0.545 (b) 0.64 (c) 0.035 (d) 0.6
  13. 13.Which is the smallest: 0.6, 0.049, 0.541, 0.66? (a) 0.6 (b) 0.049 (c) 0.541 (d) 0.66
  14. 14.Which is the greatest: 0.078, 0.35, 0.3, 0.212? (a) 0.078 (b) 0.35 (c) 0.3 (d) 0.212
  15. 15.Which is the greatest: 0.39, 0.263, 0.036, 0.3? (a) 0.39 (b) 0.263 (c) 0.036 (d) 0.3
  16. 16.6.99 + 3.4 = ? (a) 10.39 (b) 10.49 (c) 10.29 (d) 7.33
  17. 17.9.19 + 1.5 = ? (a) 10.59 (b) 10.69 (c) 10.79 (d) 9.34
  18. 18.What is the value of the digit 1 in 86.319? (a) 0.1 (b) 0.001 (c) 0.01 (d) 1
  19. 19.Which is the greatest: 0.23, 0.132, 0.075, 0.2? (a) 0.23 (b) 0.132 (c) 0.075 (d) 0.2
  20. 20.What is the value of the digit 2 in 71.426? (a) 0.2 (b) 0.02 (c) 0.002 (d) 2
  21. 21.1.41 + 2.2 = ? (a) 3.51 (b) 3.61 (c) 3.71 (d) 1.63
  22. 22.What is the value of the digit 2 in 65.328? (a) 0.002 (b) 2 (c) 0.2 (d) 0.02
  23. 23.What is the value of the digit 3 in 36.284? (a) 3 (b) 0.03 (c) 0.3 (d) 30
  24. 24.8.92 + 1.3 = ? (a) 10.32 (b) 10.22 (c) 9.05 (d) 10.12
  25. 25.What is the value of the digit 1 in 14.369? (a) 0.01 (b) 10 (c) 0.1 (d) 1
  26. 26.Which is the greatest: 0.7, 0.671, 0.79, 0.067? (a) 0.7 (b) 0.671 (c) 0.79 (d) 0.067
  27. 27.2.31 + 4.8 = ? (a) 2.79 (b) 7.01 (c) 7.21 (d) 7.11
  28. 28.Which is the smallest: 0.6, 0.054, 0.68, 0.531? (a) 0.6 (b) 0.054 (c) 0.68 (d) 0.531
  29. 29.4.11 + 7.8 = ? (a) 12.01 (b) 4.89 (c) 11.91 (d) 11.81
  30. 30.What is the value of the digit 1 in 34.217? (a) 1 (b) 0.01 (c) 0.1 (d) 0.001
  31. 31.What is the value of the digit 5 in 91.548? (a) 0.005 (b) 0.05 (c) 0.5 (d) 5
  32. 32.Which is the greatest: 0.047, 0.3, 0.37, 0.251? (a) 0.047 (b) 0.3 (c) 0.37 (d) 0.251
  33. 33.What is the value of the digit 8 in 85.134? (a) 0.08 (b) 0.8 (c) 8 (d) 80
  34. 34.6.48 + 9.3 = ? (a) 7.41 (b) 15.88 (c) 15.78 (d) 15.68
  35. 35.What is the value of the digit 5 in 91.356? (a) 0.5 (b) 0.05 (c) 0.005 (d) 5
  36. 36.Which is the greatest: 0.8, 0.88, 0.055, 0.772? (a) 0.8 (b) 0.88 (c) 0.055 (d) 0.772
  37. 37.What is the value of the digit 2 in 23.746? (a) 2 (b) 20 (c) 0.02 (d) 0.2
  38. 38.What is the value of the digit 8 in 48.629? (a) 0.08 (b) 8 (c) 0.8 (d) 80
  39. 39.What is the value of the digit 9 in 41.987? (a) 0.09 (b) 0.9 (c) 9 (d) 0.009
  40. 40.Which is the greatest: 0.068, 0.27, 0.143, 0.2? (a) 0.068 (b) 0.27 (c) 0.143 (d) 0.2

Answer key

  1. 80
  2. 0.012
  3. 1
  4. 0.043
  5. 3
  6. 1
  7. 11.87
  8. 14.15
  9. 11.22
  10. 0.2
  11. 9.72
  12. 0.64
  13. 0.049
  14. 0.35
  15. 0.39
  16. 10.39
  17. 10.69
  18. 0.01
  19. 0.23
  20. 0.02
  21. 3.61
  22. 0.02
  23. 30
  24. 10.22
  25. 10
  26. 0.79
  27. 7.11
  28. 0.054
  29. 11.91
  30. 0.01
  31. 0.5
  32. 0.37
  33. 80
  34. 15.78
  35. 0.05
  36. 0.88
  37. 20
  38. 8
  39. 0.9
  40. 0.27

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