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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 337 · 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 4 in 23.487? (a) 0.004 (b) 0.04 (c) 4 (d) 0.4
  2. 2.What is the value of the digit 2 in 69.523? (a) 0.02 (b) 0.2 (c) 0.002 (d) 2
  3. 3.6.91 + 2.1 = ? (a) 8.91 (b) 7.12 (c) 9.01 (d) 9.11
  4. 4.9.22 + 1.4 = ? (a) 10.72 (b) 9.36 (c) 10.62 (d) 10.52
  5. 5.What is the value of the digit 7 in 68.357? (a) 7 (b) 0.07 (c) 0.7 (d) 0.007
  6. 6.1.75 + 3.3 = ? (a) 5.05 (b) 4.95 (c) 2.08 (d) 5.15
  7. 7.Which is the smallest: 0.012, 0.545, 0.69, 0.6? (a) 0.012 (b) 0.545 (c) 0.69 (d) 0.6
  8. 8.9.61 + 4.1 = ? (a) 10.02 (b) 13.71 (c) 13.61 (d) 13.81
  9. 9.What is the value of the digit 4 in 27.456? (a) 0.04 (b) 0.004 (c) 0.4 (d) 4
  10. 10.What is the value of the digit 9 in 49.372? (a) 0.09 (b) 0.9 (c) 90 (d) 9
  11. 11.What is the value of the digit 9 in 91.423? (a) 9 (b) 90 (c) 0.09 (d) 0.9
  12. 12.Which is the greatest: 0.45, 0.4, 0.052, 0.386? (a) 0.45 (b) 0.4 (c) 0.052 (d) 0.386
  13. 13.Which is the smallest: 0.3, 0.048, 0.239, 0.31? (a) 0.3 (b) 0.048 (c) 0.239 (d) 0.31
  14. 14.Which is the smallest: 0.6, 0.63, 0.061, 0.519? (a) 0.6 (b) 0.63 (c) 0.061 (d) 0.519
  15. 15.Which is the smallest: 0.653, 0.78, 0.056, 0.7? (a) 0.653 (b) 0.78 (c) 0.056 (d) 0.7
  16. 16.What is the value of the digit 6 in 92.617? (a) 0.6 (b) 6 (c) 0.06 (d) 0.006
  17. 17.What is the value of the digit 4 in 84.351? (a) 0.04 (b) 0.4 (c) 40 (d) 4
  18. 18.2.68 + 9.6 = ? (a) 12.38 (b) 12.18 (c) 3.64 (d) 12.28
  19. 19.Which is the smallest: 0.056, 0.2, 0.21, 0.149? (a) 0.056 (b) 0.2 (c) 0.21 (d) 0.149
  20. 20.2.17 + 9.5 = ? (a) 11.67 (b) 3.12 (c) 11.77 (d) 11.57
  21. 21.What is the value of the digit 4 in 23.764? (a) 0.04 (b) 0.4 (c) 0.004 (d) 4
  22. 22.Which is the smallest: 0.67, 0.055, 0.594, 0.6? (a) 0.67 (b) 0.055 (c) 0.594 (d) 0.6
  23. 23.What is the value of the digit 5 in 25.891? (a) 50 (b) 5 (c) 0.05 (d) 0.5
  24. 24.What is the value of the digit 8 in 53.287? (a) 8 (b) 0.8 (c) 0.08 (d) 0.008
  25. 25.Which is the greatest: 0.288, 0.3, 0.026, 0.32? (a) 0.288 (b) 0.3 (c) 0.026 (d) 0.32
  26. 26.3.06 + 4.1 = ? (a) 7.26 (b) 7.06 (c) 7.16 (d) 3.47
  27. 27.What is the value of the digit 7 in 17.629? (a) 0.7 (b) 70 (c) 7 (d) 0.07
  28. 28.2.41 + 7.1 = ? (a) 9.41 (b) 3.12 (c) 9.61 (d) 9.51
  29. 29.Which is the greatest: 0.81, 0.047, 0.793, 0.8? (a) 0.81 (b) 0.047 (c) 0.793 (d) 0.8
  30. 30.6.74 + 6.1 = ? (a) 12.94 (b) 7.35 (c) 12.84 (d) 12.74
  31. 31.Which is the greatest: 0.4, 0.326, 0.46, 0.036? (a) 0.4 (b) 0.326 (c) 0.46 (d) 0.036
  32. 32.Which is the smallest: 0.69, 0.036, 0.6, 0.589? (a) 0.69 (b) 0.036 (c) 0.6 (d) 0.589
  33. 33.What is the value of the digit 2 in 62.895? (a) 0.2 (b) 20 (c) 0.02 (d) 2
  34. 34.7.94 + 9.1 = ? (a) 8.85 (b) 17.14 (c) 16.94 (d) 17.04
  35. 35.9.01 + 8.2 = ? (a) 17.11 (b) 17.21 (c) 9.83 (d) 17.31
  36. 36.Which is the smallest: 0.075, 0.53, 0.5, 0.447? (a) 0.075 (b) 0.53 (c) 0.5 (d) 0.447
  37. 37.What is the value of the digit 6 in 52.364? (a) 6 (b) 0.6 (c) 0.006 (d) 0.06
  38. 38.1.97 + 2.5 = ? (a) 4.57 (b) 4.37 (c) 4.47 (d) 2.22
  39. 39.What is the value of the digit 2 in 48.237? (a) 2 (b) 0.002 (c) 0.2 (d) 0.02
  40. 40.What is the value of the digit 3 in 23.187? (a) 0.03 (b) 3 (c) 0.3 (d) 30

Answer key

  1. 0.4
  2. 0.02
  3. 9.01
  4. 10.62
  5. 0.007
  6. 5.05
  7. 0.012
  8. 13.71
  9. 0.4
  10. 9
  11. 90
  12. 0.45
  13. 0.048
  14. 0.061
  15. 0.056
  16. 0.6
  17. 4
  18. 12.28
  19. 0.056
  20. 11.67
  21. 0.004
  22. 0.055
  23. 5
  24. 0.08
  25. 0.32
  26. 7.16
  27. 7
  28. 9.51
  29. 0.81
  30. 12.84
  31. 0.46
  32. 0.036
  33. 2
  34. 17.04
  35. 17.21
  36. 0.075
  37. 0.06
  38. 4.47
  39. 0.2
  40. 3

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