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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 995 · 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 6 in 29.645? (a) 0.006 (b) 6 (c) 0.6 (d) 0.06
  2. 2.Which is the greatest: 0.82, 0.075, 0.744, 0.8? (a) 0.82 (b) 0.075 (c) 0.744 (d) 0.8
  3. 3.1.17 + 1.9 = ? (a) 1.36 (b) 3.07 (c) 3.17 (d) 2.97
  4. 4.3.58 + 5.6 = ? (a) 9.28 (b) 9.08 (c) 9.18 (d) 4.14
  5. 5.9.99 + 2.3 = ? (a) 10.22 (b) 12.39 (c) 12.29 (d) 12.19
  6. 6.1.83 + 5.8 = ? (a) 7.53 (b) 7.63 (c) 7.73 (d) 2.41
  7. 7.What is the value of the digit 9 in 81.925? (a) 0.9 (b) 0.009 (c) 0.09 (d) 9
  8. 8.5.94 + 9.5 = ? (a) 15.44 (b) 15.34 (c) 6.89 (d) 15.54
  9. 9.Which is the smallest: 0.061, 0.516, 0.61, 0.6? (a) 0.061 (b) 0.516 (c) 0.61 (d) 0.6
  10. 10.What is the value of the digit 5 in 46.532? (a) 5 (b) 0.05 (c) 0.5 (d) 0.005
  11. 11.Which is the smallest: 0.449, 0.075, 0.5, 0.55? (a) 0.449 (b) 0.075 (c) 0.5 (d) 0.55
  12. 12.3.12 + 1.5 = ? (a) 4.72 (b) 4.62 (c) 4.52 (d) 3.27
  13. 13.Which is the greatest: 0.248, 0.34, 0.099, 0.3? (a) 0.248 (b) 0.34 (c) 0.099 (d) 0.3
  14. 14.What is the value of the digit 1 in 17.463? (a) 0.1 (b) 0.01 (c) 10 (d) 1
  15. 15.What is the value of the digit 9 in 93.481? (a) 90 (b) 0.09 (c) 9 (d) 0.9
  16. 16.Which is the greatest: 0.039, 0.463, 0.5, 0.53? (a) 0.039 (b) 0.463 (c) 0.5 (d) 0.53
  17. 17.2.11 + 7.1 = ? (a) 2.82 (b) 9.21 (c) 9.31 (d) 9.11
  18. 18.Which is the greatest: 0.44, 0.049, 0.388, 0.4? (a) 0.44 (b) 0.049 (c) 0.388 (d) 0.4
  19. 19.8.92 + 1.2 = ? (a) 10.02 (b) 10.12 (c) 10.22 (d) 9.04
  20. 20.Which is the greatest: 0.447, 0.5, 0.093, 0.57? (a) 0.447 (b) 0.5 (c) 0.093 (d) 0.57
  21. 21.Which is the greatest: 0.4, 0.384, 0.095, 0.47? (a) 0.4 (b) 0.384 (c) 0.095 (d) 0.47
  22. 22.What is the value of the digit 8 in 76.418? (a) 0.08 (b) 8 (c) 0.8 (d) 0.008
  23. 23.Which is the greatest: 0.29, 0.012, 0.2, 0.187? (a) 0.29 (b) 0.012 (c) 0.2 (d) 0.187
  24. 24.7.61 + 5.1 = ? (a) 12.81 (b) 12.71 (c) 12.61 (d) 8.12
  25. 25.7.46 + 6.5 = ? (a) 13.86 (b) 14.06 (c) 13.96 (d) 8.11
  26. 26.What is the value of the digit 7 in 73.149? (a) 7 (b) 0.07 (c) 70 (d) 0.7
  27. 27.Which is the greatest: 0.024, 0.187, 0.2, 0.28? (a) 0.024 (b) 0.187 (c) 0.2 (d) 0.28
  28. 28.What is the value of the digit 1 in 82.631? (a) 0.01 (b) 0.001 (c) 0.1 (d) 1
  29. 29.5.68 + 4.6 = ? (a) 6.14 (b) 10.38 (c) 10.28 (d) 10.18
  30. 30.What is the value of the digit 8 in 85.631? (a) 0.08 (b) 0.8 (c) 80 (d) 8
  31. 31.8.87 + 3.5 = ? (a) 12.47 (b) 12.27 (c) 12.37 (d) 9.22
  32. 32.What is the value of the digit 7 in 97.853? (a) 70 (b) 0.07 (c) 7 (d) 0.7
  33. 33.3.89 + 8.8 = ? (a) 12.69 (b) 12.59 (c) 12.79 (d) 4.77
  34. 34.What is the value of the digit 2 in 28.679? (a) 0.2 (b) 2 (c) 0.02 (d) 20
  35. 35.7.73 + 5.4 = ? (a) 13.03 (b) 13.23 (c) 8.27 (d) 13.13
  36. 36.Which is the greatest: 0.4, 0.357, 0.081, 0.43? (a) 0.4 (b) 0.357 (c) 0.081 (d) 0.43
  37. 37.What is the value of the digit 3 in 26.743? (a) 0.003 (b) 0.3 (c) 3 (d) 0.03
  38. 38.What is the value of the digit 6 in 59.621? (a) 6 (b) 0.06 (c) 0.006 (d) 0.6
  39. 39.6.98 + 4.1 = ? (a) 10.98 (b) 7.39 (c) 11.18 (d) 11.08
  40. 40.Which is the smallest: 0.074, 0.5, 0.458, 0.58? (a) 0.074 (b) 0.5 (c) 0.458 (d) 0.58

Answer key

  1. 0.6
  2. 0.82
  3. 3.07
  4. 9.18
  5. 12.29
  6. 7.63
  7. 0.9
  8. 15.44
  9. 0.061
  10. 0.5
  11. 0.075
  12. 4.62
  13. 0.34
  14. 10
  15. 90
  16. 0.53
  17. 9.21
  18. 0.44
  19. 10.12
  20. 0.57
  21. 0.47
  22. 0.008
  23. 0.29
  24. 12.71
  25. 13.96
  26. 70
  27. 0.28
  28. 0.001
  29. 10.28
  30. 80
  31. 12.37
  32. 7
  33. 12.69
  34. 20
  35. 13.13
  36. 0.43
  37. 0.003
  38. 0.6
  39. 11.08
  40. 0.074

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