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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 267 · 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: 0.2, 0.172, 0.25, 0.058? (a) 0.2 (b) 0.172 (c) 0.25 (d) 0.058
  2. 2.What is the value of the digit 8 in 78.245? (a) 80 (b) 0.8 (c) 8 (d) 0.08
  3. 3.Which is the smallest: 0.88, 0.792, 0.8, 0.074? (a) 0.88 (b) 0.792 (c) 0.8 (d) 0.074
  4. 4.What is the value of the digit 2 in 82.649? (a) 0.02 (b) 20 (c) 0.2 (d) 2
  5. 5.What is the value of the digit 4 in 14.256? (a) 40 (b) 4 (c) 0.4 (d) 0.04
  6. 6.What is the value of the digit 4 in 24.156? (a) 0.04 (b) 0.4 (c) 4 (d) 40
  7. 7.9.28 + 1.3 = ? (a) 10.68 (b) 10.58 (c) 10.48 (d) 9.41
  8. 8.Which is the smallest: 0.51, 0.486, 0.5, 0.011? (a) 0.51 (b) 0.486 (c) 0.5 (d) 0.011
  9. 9.What is the value of the digit 5 in 52.739? (a) 50 (b) 0.05 (c) 5 (d) 0.5
  10. 10.3.14 + 2.9 = ? (a) 3.43 (b) 6.14 (c) 6.04 (d) 5.94
  11. 11.What is the value of the digit 2 in 91.842? (a) 2 (b) 0.02 (c) 0.002 (d) 0.2
  12. 12.4.72 + 3.5 = ? (a) 8.22 (b) 5.07 (c) 8.32 (d) 8.12
  13. 13.Which is the smallest: 0.27, 0.2, 0.144, 0.025? (a) 0.27 (b) 0.2 (c) 0.144 (d) 0.025
  14. 14.4.57 + 2.5 = ? (a) 4.82 (b) 7.17 (c) 7.07 (d) 6.97
  15. 15.1.35 + 3.1 = ? (a) 1.66 (b) 4.35 (c) 4.45 (d) 4.55
  16. 16.What is the value of the digit 2 in 82.537? (a) 20 (b) 0.02 (c) 0.2 (d) 2
  17. 17.Which is the greatest: 0.32, 0.3, 0.297, 0.024? (a) 0.32 (b) 0.3 (c) 0.297 (d) 0.024
  18. 18.Which is the greatest: 0.8, 0.722, 0.092, 0.83? (a) 0.8 (b) 0.722 (c) 0.092 (d) 0.83
  19. 19.3.22 + 7.5 = ? (a) 10.82 (b) 10.62 (c) 10.72 (d) 3.97
  20. 20.What is the value of the digit 9 in 49.516? (a) 0.9 (b) 0.09 (c) 9 (d) 90
  21. 21.9.71 + 4.9 = ? (a) 14.61 (b) 10.2 (c) 14.51 (d) 14.71
  22. 22.What is the value of the digit 8 in 84.513? (a) 0.08 (b) 0.8 (c) 80 (d) 8
  23. 23.Which is the greatest: 0.161, 0.048, 0.26, 0.2? (a) 0.161 (b) 0.048 (c) 0.26 (d) 0.2
  24. 24.What is the value of the digit 9 in 29.147? (a) 9 (b) 0.09 (c) 90 (d) 0.9
  25. 25.What is the value of the digit 1 in 34.179? (a) 0.1 (b) 1 (c) 0.01 (d) 0.001
  26. 26.4.34 + 5.9 = ? (a) 10.24 (b) 10.14 (c) 4.93 (d) 10.34
  27. 27.6.21 + 5.9 = ? (a) 12.01 (b) 6.8 (c) 12.21 (d) 12.11
  28. 28.Which is the greatest: 0.53, 0.5, 0.016, 0.426? (a) 0.53 (b) 0.5 (c) 0.016 (d) 0.426
  29. 29.Which is the greatest: 0.64, 0.6, 0.541, 0.054? (a) 0.64 (b) 0.6 (c) 0.541 (d) 0.054
  30. 30.1.97 + 9.2 = ? (a) 2.89 (b) 11.27 (c) 11.17 (d) 11.07
  31. 31.1.41 + 5.9 = ? (a) 7.41 (b) 7.21 (c) 2 (d) 7.31
  32. 32.What is the value of the digit 8 in 58.926? (a) 8 (b) 0.08 (c) 80 (d) 0.8
  33. 33.1.35 + 4.8 = ? (a) 6.15 (b) 6.25 (c) 1.83 (d) 6.05
  34. 34.Which is the greatest: 0.016, 0.46, 0.377, 0.4? (a) 0.016 (b) 0.46 (c) 0.377 (d) 0.4
  35. 35.Which is the smallest: 0.026, 0.2, 0.188, 0.26? (a) 0.026 (b) 0.2 (c) 0.188 (d) 0.26
  36. 36.2.58 + 7.1 = ? (a) 9.68 (b) 9.78 (c) 9.58 (d) 3.29
  37. 37.What is the value of the digit 4 in 87.294? (a) 0.004 (b) 0.04 (c) 4 (d) 0.4
  38. 38.Which is the greatest: 0.52, 0.5, 0.013, 0.441? (a) 0.52 (b) 0.5 (c) 0.013 (d) 0.441
  39. 39.Which is the greatest: 0.176, 0.25, 0.071, 0.2? (a) 0.176 (b) 0.25 (c) 0.071 (d) 0.2
  40. 40.What is the value of the digit 3 in 84.391? (a) 0.003 (b) 0.3 (c) 0.03 (d) 3

Answer key

  1. 0.25
  2. 8
  3. 0.074
  4. 2
  5. 4
  6. 4
  7. 10.58
  8. 0.011
  9. 50
  10. 6.04
  11. 0.002
  12. 8.22
  13. 0.025
  14. 7.07
  15. 4.45
  16. 2
  17. 0.32
  18. 0.83
  19. 10.72
  20. 9
  21. 14.61
  22. 80
  23. 0.26
  24. 9
  25. 0.1
  26. 10.24
  27. 12.11
  28. 0.53
  29. 0.64
  30. 11.17
  31. 7.31
  32. 8
  33. 6.15
  34. 0.46
  35. 0.026
  36. 9.68
  37. 0.004
  38. 0.52
  39. 0.25
  40. 0.3

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