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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 479 · 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: 0.182, 0.2, 0.26, 0.015? (a) 0.182 (b) 0.2 (c) 0.26 (d) 0.015
  2. 2.What is the value of the digit 6 in 46.519? (a) 0.06 (b) 6 (c) 60 (d) 0.6
  3. 3.What is the value of the digit 8 in 97.128? (a) 0.8 (b) 0.08 (c) 0.008 (d) 8
  4. 4.What is the value of the digit 1 in 41.328? (a) 10 (b) 0.01 (c) 0.1 (d) 1
  5. 5.6.86 + 6.1 = ? (a) 12.86 (b) 7.47 (c) 12.96 (d) 13.06
  6. 6.What is the value of the digit 1 in 92.185? (a) 0.001 (b) 0.01 (c) 0.1 (d) 1
  7. 7.What is the value of the digit 8 in 16.827? (a) 0.008 (b) 8 (c) 0.8 (d) 0.08
  8. 8.Which is the greatest: 0.197, 0.065, 0.2, 0.26? (a) 0.197 (b) 0.065 (c) 0.2 (d) 0.26
  9. 9.4.49 + 9.9 = ? (a) 14.29 (b) 5.48 (c) 14.49 (d) 14.39
  10. 10.What is the value of the digit 4 in 34.981? (a) 4 (b) 0.4 (c) 0.04 (d) 40
  11. 11.Which is the smallest: 0.83, 0.762, 0.099, 0.8? (a) 0.83 (b) 0.762 (c) 0.099 (d) 0.8
  12. 12.2.31 + 9.2 = ? (a) 11.51 (b) 3.23 (c) 11.41 (d) 11.61
  13. 13.7.18 + 5.4 = ? (a) 7.72 (b) 12.58 (c) 12.48 (d) 12.68
  14. 14.5.61 + 3.8 = ? (a) 9.41 (b) 9.31 (c) 9.51 (d) 5.99
  15. 15.3.78 + 8.7 = ? (a) 12.58 (b) 12.38 (c) 4.65 (d) 12.48
  16. 16.1.78 + 9.4 = ? (a) 2.72 (b) 11.18 (c) 11.28 (d) 11.08
  17. 17.What is the value of the digit 3 in 84.537? (a) 0.3 (b) 0.03 (c) 3 (d) 0.003
  18. 18.1.05 + 4.5 = ? (a) 5.55 (b) 5.45 (c) 5.65 (d) 1.5
  19. 19.What is the value of the digit 3 in 83.214? (a) 3 (b) 0.3 (c) 30 (d) 0.03
  20. 20.8.16 + 4.3 = ? (a) 12.56 (b) 12.36 (c) 8.59 (d) 12.46
  21. 21.4.09 + 2.7 = ? (a) 4.36 (b) 6.89 (c) 6.79 (d) 6.69
  22. 22.Which is the smallest: 0.421, 0.5, 0.59, 0.037? (a) 0.421 (b) 0.5 (c) 0.59 (d) 0.037
  23. 23.9.16 + 7.3 = ? (a) 16.36 (b) 16.46 (c) 16.56 (d) 9.89
  24. 24.4.26 + 5.5 = ? (a) 9.66 (b) 9.76 (c) 4.81 (d) 9.86
  25. 25.What is the value of the digit 4 in 84.672? (a) 0.4 (b) 4 (c) 40 (d) 0.04
  26. 26.7.63 + 9.6 = ? (a) 17.33 (b) 8.59 (c) 17.23 (d) 17.13
  27. 27.What is the value of the digit 8 in 74.518? (a) 0.8 (b) 0.08 (c) 8 (d) 0.008
  28. 28.What is the value of the digit 2 in 82.465? (a) 20 (b) 0.02 (c) 2 (d) 0.2
  29. 29.5.25 + 4.4 = ? (a) 9.75 (b) 9.65 (c) 5.69 (d) 9.55
  30. 30.Which is the greatest: 0.612, 0.71, 0.7, 0.012? (a) 0.612 (b) 0.71 (c) 0.7 (d) 0.012
  31. 31.Which is the smallest: 0.2, 0.28, 0.038, 0.158? (a) 0.2 (b) 0.28 (c) 0.038 (d) 0.158
  32. 32.5.06 + 6.5 = ? (a) 11.46 (b) 5.71 (c) 11.56 (d) 11.66
  33. 33.What is the value of the digit 8 in 43.186? (a) 8 (b) 0.08 (c) 0.8 (d) 0.008
  34. 34.3.11 + 4.3 = ? (a) 7.51 (b) 3.54 (c) 7.31 (d) 7.41
  35. 35.What is the value of the digit 7 in 91.876? (a) 0.07 (b) 7 (c) 0.007 (d) 0.7
  36. 36.What is the value of the digit 9 in 49.187? (a) 90 (b) 9 (c) 0.09 (d) 0.9
  37. 37.Which is the greatest: 0.434, 0.59, 0.034, 0.5? (a) 0.434 (b) 0.59 (c) 0.034 (d) 0.5
  38. 38.Which is the greatest: 0.31, 0.281, 0.065, 0.3? (a) 0.31 (b) 0.281 (c) 0.065 (d) 0.3
  39. 39.What is the value of the digit 2 in 43.127? (a) 0.2 (b) 2 (c) 0.002 (d) 0.02
  40. 40.4.41 + 9.7 = ? (a) 14.01 (b) 14.11 (c) 14.21 (d) 5.38

Answer key

  1. 0.26
  2. 6
  3. 0.008
  4. 1
  5. 12.96
  6. 0.1
  7. 0.8
  8. 0.26
  9. 14.39
  10. 4
  11. 0.099
  12. 11.51
  13. 12.58
  14. 9.41
  15. 12.48
  16. 11.18
  17. 0.03
  18. 5.55
  19. 3
  20. 12.46
  21. 6.79
  22. 0.037
  23. 16.46
  24. 9.76
  25. 4
  26. 17.23
  27. 0.008
  28. 2
  29. 9.65
  30. 0.71
  31. 0.038
  32. 11.56
  33. 0.08
  34. 7.41
  35. 0.07
  36. 9
  37. 0.59
  38. 0.31
  39. 0.02
  40. 14.11

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