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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 567 · 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 greatest: 0.59, 0.456, 0.011, 0.5? (a) 0.59 (b) 0.456 (c) 0.011 (d) 0.5
  2. 2.2.63 + 8.8 = ? (a) 11.33 (b) 3.51 (c) 11.43 (d) 11.53
  3. 3.What is the value of the digit 2 in 82.935? (a) 20 (b) 2 (c) 0.2 (d) 0.02
  4. 4.What is the value of the digit 8 in 39.816? (a) 0.8 (b) 0.08 (c) 0.008 (d) 8
  5. 5.5.77 + 5.7 = ? (a) 11.37 (b) 11.57 (c) 6.34 (d) 11.47
  6. 6.3.33 + 6.3 = ? (a) 3.96 (b) 9.63 (c) 9.73 (d) 9.53
  7. 7.Which is the greatest: 0.63, 0.6, 0.561, 0.024? (a) 0.63 (b) 0.6 (c) 0.561 (d) 0.024
  8. 8.5.14 + 5.5 = ? (a) 5.69 (b) 10.74 (c) 10.64 (d) 10.54
  9. 9.Which is the greatest: 0.78, 0.629, 0.7, 0.053? (a) 0.78 (b) 0.629 (c) 0.7 (d) 0.053
  10. 10.What is the value of the digit 8 in 85.764? (a) 0.08 (b) 80 (c) 8 (d) 0.8
  11. 11.Which is the smallest: 0.8, 0.041, 0.758, 0.82? (a) 0.8 (b) 0.041 (c) 0.758 (d) 0.82
  12. 12.What is the value of the digit 8 in 71.458? (a) 0.08 (b) 0.8 (c) 0.008 (d) 8
  13. 13.Which is the smallest: 0.26, 0.084, 0.112, 0.2? (a) 0.26 (b) 0.084 (c) 0.112 (d) 0.2
  14. 14.Which is the greatest: 0.579, 0.025, 0.67, 0.6? (a) 0.579 (b) 0.025 (c) 0.67 (d) 0.6
  15. 15.What is the value of the digit 3 in 26.531? (a) 0.003 (b) 3 (c) 0.03 (d) 0.3
  16. 16.2.55 + 3.6 = ? (a) 6.25 (b) 6.05 (c) 6.15 (d) 2.91
  17. 17.What is the value of the digit 1 in 74.516? (a) 1 (b) 0.1 (c) 0.01 (d) 0.001
  18. 18.Which is the smallest: 0.81, 0.046, 0.8, 0.733? (a) 0.81 (b) 0.046 (c) 0.8 (d) 0.733
  19. 19.2.06 + 4.1 = ? (a) 6.16 (b) 2.47 (c) 6.26 (d) 6.06
  20. 20.9.83 + 5.1 = ? (a) 10.34 (b) 14.83 (c) 14.93 (d) 15.03
  21. 21.Which is the greatest: 0.056, 0.381, 0.48, 0.4? (a) 0.056 (b) 0.381 (c) 0.48 (d) 0.4
  22. 22.9.87 + 3.4 = ? (a) 13.37 (b) 13.27 (c) 10.21 (d) 13.17
  23. 23.Which is the smallest: 0.576, 0.68, 0.6, 0.079? (a) 0.576 (b) 0.68 (c) 0.6 (d) 0.079
  24. 24.What is the value of the digit 2 in 82.415? (a) 20 (b) 0.02 (c) 0.2 (d) 2
  25. 25.Which is the greatest: 0.411, 0.57, 0.5, 0.044? (a) 0.411 (b) 0.57 (c) 0.5 (d) 0.044
  26. 26.What is the value of the digit 3 in 31.579? (a) 3 (b) 30 (c) 0.03 (d) 0.3
  27. 27.8.95 + 8.1 = ? (a) 17.05 (b) 16.95 (c) 17.15 (d) 9.76
  28. 28.4.66 + 2.1 = ? (a) 4.87 (b) 6.86 (c) 6.66 (d) 6.76
  29. 29.9.96 + 4.3 = ? (a) 14.36 (b) 14.16 (c) 10.39 (d) 14.26
  30. 30.Which is the greatest: 0.3, 0.276, 0.098, 0.39? (a) 0.3 (b) 0.276 (c) 0.098 (d) 0.39
  31. 31.What is the value of the digit 8 in 32.186? (a) 8 (b) 0.8 (c) 0.08 (d) 0.008
  32. 32.2.92 + 8.8 = ? (a) 11.82 (b) 11.72 (c) 3.8 (d) 11.62
  33. 33.Which is the smallest: 0.133, 0.2, 0.21, 0.033? (a) 0.133 (b) 0.2 (c) 0.21 (d) 0.033
  34. 34.3.83 + 4.3 = ? (a) 8.13 (b) 8.23 (c) 8.03 (d) 4.26
  35. 35.What is the value of the digit 1 in 15.284? (a) 10 (b) 1 (c) 0.01 (d) 0.1
  36. 36.What is the value of the digit 9 in 58.972? (a) 9 (b) 0.9 (c) 0.009 (d) 0.09
  37. 37.Which is the smallest: 0.717, 0.8, 0.87, 0.021? (a) 0.717 (b) 0.8 (c) 0.87 (d) 0.021
  38. 38.What is the value of the digit 9 in 91.432? (a) 90 (b) 9 (c) 0.09 (d) 0.9
  39. 39.9.28 + 8.9 = ? (a) 18.08 (b) 18.28 (c) 18.18 (d) 10.17
  40. 40.What is the value of the digit 9 in 45.932? (a) 0.009 (b) 0.9 (c) 0.09 (d) 9

Answer key

  1. 0.59
  2. 11.43
  3. 2
  4. 0.8
  5. 11.47
  6. 9.63
  7. 0.63
  8. 10.64
  9. 0.78
  10. 80
  11. 0.041
  12. 0.008
  13. 0.084
  14. 0.67
  15. 0.03
  16. 6.15
  17. 0.01
  18. 0.046
  19. 6.16
  20. 14.93
  21. 0.48
  22. 13.27
  23. 0.079
  24. 2
  25. 0.57
  26. 30
  27. 17.05
  28. 6.76
  29. 14.26
  30. 0.39
  31. 0.08
  32. 11.72
  33. 0.033
  34. 8.13
  35. 10
  36. 0.9
  37. 0.021
  38. 90
  39. 18.18
  40. 0.9

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