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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 289 · 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: 0.046, 0.298, 0.36, 0.3? (a) 0.046 (b) 0.298 (c) 0.36 (d) 0.3
  2. 2.9.69 + 5.1 = ? (a) 14.69 (b) 10.2 (c) 14.79 (d) 14.89
  3. 3.What is the value of the digit 8 in 62.183? (a) 0.008 (b) 0.8 (c) 8 (d) 0.08
  4. 4.Which is the greatest: 0.2, 0.113, 0.011, 0.22? (a) 0.2 (b) 0.113 (c) 0.011 (d) 0.22
  5. 5.9.76 + 2.1 = ? (a) 11.76 (b) 11.96 (c) 11.86 (d) 9.97
  6. 6.What is the value of the digit 5 in 59.713? (a) 0.05 (b) 0.5 (c) 50 (d) 5
  7. 7.Which is the smallest: 0.31, 0.211, 0.023, 0.3? (a) 0.31 (b) 0.211 (c) 0.023 (d) 0.3
  8. 8.What is the value of the digit 9 in 29.537? (a) 0.09 (b) 90 (c) 9 (d) 0.9
  9. 9.What is the value of the digit 2 in 89.263? (a) 0.002 (b) 2 (c) 0.02 (d) 0.2
  10. 10.What is the value of the digit 6 in 69.754? (a) 0.6 (b) 6 (c) 0.06 (d) 60
  11. 11.8.33 + 7.1 = ? (a) 15.53 (b) 9.04 (c) 15.33 (d) 15.43
  12. 12.What is the value of the digit 5 in 25.341? (a) 0.5 (b) 50 (c) 0.05 (d) 5
  13. 13.3.69 + 7.8 = ? (a) 11.39 (b) 11.59 (c) 11.49 (d) 4.47
  14. 14.What is the value of the digit 2 in 42.189? (a) 0.2 (b) 20 (c) 2 (d) 0.02
  15. 15.9.71 + 8.4 = ? (a) 18.21 (b) 18.01 (c) 10.55 (d) 18.11
  16. 16.What is the value of the digit 3 in 14.935? (a) 0.3 (b) 0.003 (c) 0.03 (d) 3
  17. 17.Which is the smallest: 0.176, 0.2, 0.29, 0.014? (a) 0.176 (b) 0.2 (c) 0.29 (d) 0.014
  18. 18.What is the value of the digit 1 in 13.786? (a) 0.1 (b) 1 (c) 10 (d) 0.01
  19. 19.4.91 + 5.1 = ? (a) 5.42 (b) 10.01 (c) 10.11 (d) 9.91
  20. 20.Which is the smallest: 0.631, 0.076, 0.7, 0.79? (a) 0.631 (b) 0.076 (c) 0.7 (d) 0.79
  21. 21.5.91 + 1.3 = ? (a) 7.31 (b) 7.21 (c) 6.04 (d) 7.11
  22. 22.Which is the smallest: 0.068, 0.45, 0.4, 0.328? (a) 0.068 (b) 0.45 (c) 0.4 (d) 0.328
  23. 23.What is the value of the digit 6 in 51.693? (a) 0.6 (b) 6 (c) 0.006 (d) 0.06
  24. 24.Which is the smallest: 0.055, 0.295, 0.36, 0.3? (a) 0.055 (b) 0.295 (c) 0.36 (d) 0.3
  25. 25.Which is the smallest: 0.21, 0.098, 0.127, 0.2? (a) 0.21 (b) 0.098 (c) 0.127 (d) 0.2
  26. 26.3.43 + 5.1 = ? (a) 3.94 (b) 8.63 (c) 8.43 (d) 8.53
  27. 27.4.74 + 1.3 = ? (a) 4.87 (b) 6.14 (c) 6.04 (d) 5.94
  28. 28.8.81 + 2.5 = ? (a) 9.06 (b) 11.21 (c) 11.31 (d) 11.41
  29. 29.Which is the greatest: 0.82, 0.717, 0.8, 0.018? (a) 0.82 (b) 0.717 (c) 0.8 (d) 0.018
  30. 30.Which is the greatest: 0.2, 0.052, 0.25, 0.121? (a) 0.2 (b) 0.052 (c) 0.25 (d) 0.121
  31. 31.2.42 + 9.1 = ? (a) 11.52 (b) 11.62 (c) 11.42 (d) 3.33
  32. 32.Which is the greatest: 0.7, 0.033, 0.72, 0.659? (a) 0.7 (b) 0.033 (c) 0.72 (d) 0.659
  33. 33.Which is the smallest: 0.84, 0.078, 0.8, 0.743? (a) 0.84 (b) 0.078 (c) 0.8 (d) 0.743
  34. 34.Which is the smallest: 0.452, 0.57, 0.015, 0.5? (a) 0.452 (b) 0.57 (c) 0.015 (d) 0.5
  35. 35.What is the value of the digit 8 in 38.716? (a) 0.08 (b) 8 (c) 0.8 (d) 80
  36. 36.Which is the greatest: 0.066, 0.2, 0.184, 0.28? (a) 0.066 (b) 0.2 (c) 0.184 (d) 0.28
  37. 37.What is the value of the digit 7 in 97.248? (a) 7 (b) 0.7 (c) 0.07 (d) 70
  38. 38.5.51 + 6.5 = ? (a) 6.16 (b) 11.91 (c) 12.11 (d) 12.01
  39. 39.3.36 + 7.4 = ? (a) 10.86 (b) 4.1 (c) 10.76 (d) 10.66
  40. 40.2.81 + 6.1 = ? (a) 8.91 (b) 3.42 (c) 8.81 (d) 9.01

Answer key

  1. 0.36
  2. 14.79
  3. 0.08
  4. 0.22
  5. 11.86
  6. 50
  7. 0.023
  8. 9
  9. 0.2
  10. 60
  11. 15.43
  12. 5
  13. 11.49
  14. 2
  15. 18.11
  16. 0.03
  17. 0.014
  18. 10
  19. 10.01
  20. 0.076
  21. 7.21
  22. 0.068
  23. 0.6
  24. 0.055
  25. 0.098
  26. 8.53
  27. 6.04
  28. 11.31
  29. 0.82
  30. 0.25
  31. 11.52
  32. 0.72
  33. 0.078
  34. 0.015
  35. 8
  36. 0.28
  37. 7
  38. 12.01
  39. 10.76
  40. 8.91

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