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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 566 · 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 2 in 57.892? (a) 0.2 (b) 0.02 (c) 0.002 (d) 2
  2. 2.Which is the greatest: 0.3, 0.096, 0.35, 0.224? (a) 0.3 (b) 0.096 (c) 0.35 (d) 0.224
  3. 3.Which is the greatest: 0.099, 0.23, 0.2, 0.162? (a) 0.099 (b) 0.23 (c) 0.2 (d) 0.162
  4. 4.What is the value of the digit 6 in 73.956? (a) 0.006 (b) 6 (c) 0.06 (d) 0.6
  5. 5.Which is the smallest: 0.013, 0.4, 0.396, 0.45? (a) 0.013 (b) 0.4 (c) 0.396 (d) 0.45
  6. 6.Which is the smallest: 0.335, 0.44, 0.036, 0.4? (a) 0.335 (b) 0.44 (c) 0.036 (d) 0.4
  7. 7.Which is the greatest: 0.596, 0.6, 0.021, 0.66? (a) 0.596 (b) 0.6 (c) 0.021 (d) 0.66
  8. 8.Which is the smallest: 0.688, 0.068, 0.79, 0.7? (a) 0.688 (b) 0.068 (c) 0.79 (d) 0.7
  9. 9.3.31 + 6.7 = ? (a) 9.91 (b) 10.01 (c) 10.11 (d) 3.98
  10. 10.9.22 + 6.1 = ? (a) 9.83 (b) 15.22 (c) 15.32 (d) 15.42
  11. 11.What is the value of the digit 6 in 26.371? (a) 6 (b) 0.06 (c) 60 (d) 0.6
  12. 12.Which is the greatest: 0.5, 0.048, 0.58, 0.439? (a) 0.5 (b) 0.048 (c) 0.58 (d) 0.439
  13. 13.Which is the smallest: 0.153, 0.2, 0.082, 0.21? (a) 0.153 (b) 0.2 (c) 0.082 (d) 0.21
  14. 14.What is the value of the digit 4 in 81.547? (a) 0.4 (b) 0.04 (c) 4 (d) 0.004
  15. 15.8.21 + 5.8 = ? (a) 13.91 (b) 8.79 (c) 14.11 (d) 14.01
  16. 16.What is the value of the digit 3 in 28.346? (a) 0.3 (b) 0.03 (c) 3 (d) 0.003
  17. 17.7.11 + 6.3 = ? (a) 13.31 (b) 13.51 (c) 13.41 (d) 7.74
  18. 18.2.11 + 4.1 = ? (a) 6.21 (b) 6.31 (c) 2.52 (d) 6.11
  19. 19.2.61 + 6.4 = ? (a) 9.11 (b) 9.01 (c) 3.25 (d) 8.91
  20. 20.7.48 + 7.3 = ? (a) 14.68 (b) 14.88 (c) 14.78 (d) 8.21
  21. 21.What is the value of the digit 9 in 38.759? (a) 0.009 (b) 0.09 (c) 9 (d) 0.9
  22. 22.2.58 + 7.6 = ? (a) 10.28 (b) 10.18 (c) 10.08 (d) 3.34
  23. 23.What is the value of the digit 1 in 12.394? (a) 0.1 (b) 0.01 (c) 10 (d) 1
  24. 24.6.42 + 2.4 = ? (a) 8.92 (b) 8.72 (c) 6.66 (d) 8.82
  25. 25.8.96 + 9.5 = ? (a) 18.46 (b) 9.91 (c) 18.56 (d) 18.36
  26. 26.What is the value of the digit 1 in 19.457? (a) 0.01 (b) 10 (c) 1 (d) 0.1
  27. 27.9.96 + 4.5 = ? (a) 14.46 (b) 10.41 (c) 14.56 (d) 14.36
  28. 28.What is the value of the digit 3 in 41.326? (a) 0.3 (b) 0.003 (c) 0.03 (d) 3
  29. 29.What is the value of the digit 5 in 53.179? (a) 5 (b) 0.05 (c) 0.5 (d) 50
  30. 30.3.35 + 5.8 = ? (a) 9.15 (b) 9.05 (c) 9.25 (d) 3.93
  31. 31.What is the value of the digit 2 in 49.382? (a) 0.002 (b) 0.2 (c) 0.02 (d) 2
  32. 32.Which is the smallest: 0.377, 0.4, 0.41, 0.026? (a) 0.377 (b) 0.4 (c) 0.41 (d) 0.026
  33. 33.Which is the smallest: 0.414, 0.5, 0.083, 0.53? (a) 0.414 (b) 0.5 (c) 0.083 (d) 0.53
  34. 34.8.41 + 7.1 = ? (a) 15.61 (b) 15.41 (c) 9.12 (d) 15.51
  35. 35.3.63 + 4.4 = ? (a) 8.13 (b) 4.07 (c) 7.93 (d) 8.03
  36. 36.What is the value of the digit 7 in 64.731? (a) 0.07 (b) 0.007 (c) 0.7 (d) 7
  37. 37.Which is the smallest: 0.67, 0.528, 0.032, 0.6? (a) 0.67 (b) 0.528 (c) 0.032 (d) 0.6
  38. 38.Which is the smallest: 0.83, 0.052, 0.737, 0.8? (a) 0.83 (b) 0.052 (c) 0.737 (d) 0.8
  39. 39.What is the value of the digit 5 in 36.475? (a) 0.005 (b) 0.05 (c) 5 (d) 0.5
  40. 40.What is the value of the digit 6 in 47.986? (a) 0.06 (b) 6 (c) 0.6 (d) 0.006

Answer key

  1. 0.002
  2. 0.35
  3. 0.23
  4. 0.006
  5. 0.013
  6. 0.036
  7. 0.66
  8. 0.068
  9. 10.01
  10. 15.32
  11. 6
  12. 0.58
  13. 0.082
  14. 0.04
  15. 14.01
  16. 0.3
  17. 13.41
  18. 6.21
  19. 9.01
  20. 14.78
  21. 0.009
  22. 10.18
  23. 10
  24. 8.82
  25. 18.46
  26. 10
  27. 14.46
  28. 0.3
  29. 50
  30. 9.15
  31. 0.002
  32. 0.026
  33. 0.083
  34. 15.51
  35. 8.03
  36. 0.7
  37. 0.032
  38. 0.052
  39. 0.005
  40. 0.006

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