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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 524 · 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 62.953? (a) 0.06 (b) 6 (c) 60 (d) 0.6
  2. 2.Which is the smallest: 0.566, 0.61, 0.027, 0.6? (a) 0.566 (b) 0.61 (c) 0.027 (d) 0.6
  3. 3.What is the value of the digit 6 in 64.538? (a) 60 (b) 6 (c) 0.6 (d) 0.06
  4. 4.What is the value of the digit 4 in 14.825? (a) 40 (b) 0.04 (c) 4 (d) 0.4
  5. 5.What is the value of the digit 8 in 21.583? (a) 8 (b) 0.008 (c) 0.08 (d) 0.8
  6. 6.What is the value of the digit 2 in 52.749? (a) 0.2 (b) 0.02 (c) 20 (d) 2
  7. 7.2.56 + 2.9 = ? (a) 5.56 (b) 2.85 (c) 5.36 (d) 5.46
  8. 8.5.44 + 1.4 = ? (a) 5.58 (b) 6.94 (c) 6.84 (d) 6.74
  9. 9.Which is the smallest: 0.218, 0.3, 0.027, 0.31? (a) 0.218 (b) 0.3 (c) 0.027 (d) 0.31
  10. 10.Which is the smallest: 0.72, 0.078, 0.695, 0.7? (a) 0.72 (b) 0.078 (c) 0.695 (d) 0.7
  11. 11.Which is the smallest: 0.026, 0.3, 0.249, 0.39? (a) 0.026 (b) 0.3 (c) 0.249 (d) 0.39
  12. 12.Which is the greatest: 0.027, 0.6, 0.69, 0.581? (a) 0.027 (b) 0.6 (c) 0.69 (d) 0.581
  13. 13.Which is the greatest: 0.64, 0.6, 0.565, 0.098? (a) 0.64 (b) 0.6 (c) 0.565 (d) 0.098
  14. 14.What is the value of the digit 8 in 36.872? (a) 0.08 (b) 0.008 (c) 0.8 (d) 8
  15. 15.Which is the smallest: 0.3, 0.273, 0.027, 0.35? (a) 0.3 (b) 0.273 (c) 0.027 (d) 0.35
  16. 16.6.01 + 1.1 = ? (a) 6.12 (b) 7.11 (c) 7.01 (d) 7.21
  17. 17.What is the value of the digit 1 in 19.273? (a) 1 (b) 10 (c) 0.01 (d) 0.1
  18. 18.2.41 + 9.3 = ? (a) 11.71 (b) 11.81 (c) 11.61 (d) 3.34
  19. 19.3.08 + 7.7 = ? (a) 3.85 (b) 10.78 (c) 10.88 (d) 10.68
  20. 20.Which is the smallest: 0.51, 0.032, 0.5, 0.481? (a) 0.51 (b) 0.032 (c) 0.5 (d) 0.481
  21. 21.Which is the smallest: 0.038, 0.454, 0.5, 0.51? (a) 0.038 (b) 0.454 (c) 0.5 (d) 0.51
  22. 22.Which is the smallest: 0.84, 0.8, 0.026, 0.755? (a) 0.84 (b) 0.8 (c) 0.026 (d) 0.755
  23. 23.What is the value of the digit 3 in 25.379? (a) 3 (b) 0.3 (c) 0.03 (d) 0.003
  24. 24.What is the value of the digit 8 in 73.986? (a) 8 (b) 0.008 (c) 0.8 (d) 0.08
  25. 25.Which is the greatest: 0.54, 0.493, 0.061, 0.5? (a) 0.54 (b) 0.493 (c) 0.061 (d) 0.5
  26. 26.7.86 + 1.7 = ? (a) 9.66 (b) 9.46 (c) 9.56 (d) 8.03
  27. 27.Which is the greatest: 0.083, 0.311, 0.41, 0.4? (a) 0.083 (b) 0.311 (c) 0.41 (d) 0.4
  28. 28.What is the value of the digit 8 in 47.182? (a) 0.8 (b) 8 (c) 0.008 (d) 0.08
  29. 29.Which is the smallest: 0.063, 0.84, 0.734, 0.8? (a) 0.063 (b) 0.84 (c) 0.734 (d) 0.8
  30. 30.1.43 + 5.6 = ? (a) 1.99 (b) 7.13 (c) 6.93 (d) 7.03
  31. 31.What is the value of the digit 6 in 51.836? (a) 0.6 (b) 0.006 (c) 6 (d) 0.06
  32. 32.Which is the greatest: 0.3, 0.32, 0.271, 0.092? (a) 0.3 (b) 0.32 (c) 0.271 (d) 0.092
  33. 33.What is the value of the digit 2 in 91.825? (a) 0.002 (b) 0.02 (c) 2 (d) 0.2
  34. 34.Which is the smallest: 0.3, 0.271, 0.073, 0.38? (a) 0.3 (b) 0.271 (c) 0.073 (d) 0.38
  35. 35.Which is the smallest: 0.462, 0.57, 0.5, 0.071? (a) 0.462 (b) 0.57 (c) 0.5 (d) 0.071
  36. 36.8.58 + 3.2 = ? (a) 11.68 (b) 8.9 (c) 11.88 (d) 11.78
  37. 37.What is the value of the digit 3 in 81.953? (a) 0.03 (b) 0.3 (c) 0.003 (d) 3
  38. 38.What is the value of the digit 1 in 91.587? (a) 1 (b) 10 (c) 0.1 (d) 0.01
  39. 39.9.83 + 6.5 = ? (a) 16.23 (b) 16.33 (c) 16.43 (d) 10.48
  40. 40.Which is the greatest: 0.39, 0.297, 0.083, 0.3? (a) 0.39 (b) 0.297 (c) 0.083 (d) 0.3

Answer key

  1. 60
  2. 0.027
  3. 60
  4. 4
  5. 0.08
  6. 2
  7. 5.46
  8. 6.84
  9. 0.027
  10. 0.078
  11. 0.026
  12. 0.69
  13. 0.64
  14. 0.8
  15. 0.027
  16. 7.11
  17. 10
  18. 11.71
  19. 10.78
  20. 0.032
  21. 0.038
  22. 0.026
  23. 0.3
  24. 0.08
  25. 0.54
  26. 9.56
  27. 0.41
  28. 0.08
  29. 0.063
  30. 7.03
  31. 0.006
  32. 0.32
  33. 0.02
  34. 0.073
  35. 0.071
  36. 11.78
  37. 0.003
  38. 1
  39. 16.33
  40. 0.39

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