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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 934 · 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 smallest: 0.066, 0.5, 0.58, 0.476? (a) 0.066 (b) 0.5 (c) 0.58 (d) 0.476
  2. 2.Which is the greatest: 0.086, 0.72, 0.7, 0.614? (a) 0.086 (b) 0.72 (c) 0.7 (d) 0.614
  3. 3.5.01 + 9.3 = ? (a) 14.31 (b) 14.21 (c) 5.94 (d) 14.41
  4. 4.Which is the smallest: 0.7, 0.75, 0.094, 0.669? (a) 0.7 (b) 0.75 (c) 0.094 (d) 0.669
  5. 5.8.57 + 6.6 = ? (a) 15.17 (b) 15.07 (c) 9.23 (d) 15.27
  6. 6.Which is the smallest: 0.063, 0.3, 0.38, 0.236? (a) 0.063 (b) 0.3 (c) 0.38 (d) 0.236
  7. 7.What is the value of the digit 7 in 18.572? (a) 0.7 (b) 0.007 (c) 0.07 (d) 7
  8. 8.Which is the greatest: 0.387, 0.4, 0.42, 0.021? (a) 0.387 (b) 0.4 (c) 0.42 (d) 0.021
  9. 9.8.06 + 7.9 = ? (a) 8.85 (b) 15.86 (c) 16.06 (d) 15.96
  10. 10.8.63 + 1.1 = ? (a) 9.83 (b) 9.63 (c) 9.73 (d) 8.74
  11. 11.4.41 + 6.5 = ? (a) 11.01 (b) 5.06 (c) 10.81 (d) 10.91
  12. 12.Which is the greatest: 0.5, 0.421, 0.53, 0.083? (a) 0.5 (b) 0.421 (c) 0.53 (d) 0.083
  13. 13.Which is the greatest: 0.62, 0.039, 0.549, 0.6? (a) 0.62 (b) 0.039 (c) 0.549 (d) 0.6
  14. 14.What is the value of the digit 5 in 89.135? (a) 0.5 (b) 5 (c) 0.05 (d) 0.005
  15. 15.Which is the greatest: 0.5, 0.478, 0.026, 0.56? (a) 0.5 (b) 0.478 (c) 0.026 (d) 0.56
  16. 16.3.31 + 2.7 = ? (a) 5.91 (b) 6.01 (c) 6.11 (d) 3.58
  17. 17.7.33 + 5.1 = ? (a) 12.33 (b) 12.53 (c) 12.43 (d) 7.84
  18. 18.What is the value of the digit 2 in 63.248? (a) 0.02 (b) 2 (c) 0.002 (d) 0.2
  19. 19.3.91 + 2.3 = ? (a) 6.11 (b) 6.21 (c) 4.14 (d) 6.31
  20. 20.What is the value of the digit 7 in 69.475? (a) 0.07 (b) 0.007 (c) 0.7 (d) 7
  21. 21.What is the value of the digit 6 in 36.145? (a) 0.6 (b) 60 (c) 0.06 (d) 6
  22. 22.7.28 + 4.3 = ? (a) 11.58 (b) 11.68 (c) 7.71 (d) 11.48
  23. 23.What is the value of the digit 7 in 17.324? (a) 0.7 (b) 0.07 (c) 7 (d) 70
  24. 24.Which is the greatest: 0.233, 0.031, 0.3, 0.32? (a) 0.233 (b) 0.031 (c) 0.3 (d) 0.32
  25. 25.Which is the greatest: 0.6, 0.071, 0.61, 0.513? (a) 0.6 (b) 0.071 (c) 0.61 (d) 0.513
  26. 26.4.53 + 7.5 = ? (a) 12.03 (b) 5.28 (c) 11.93 (d) 12.13
  27. 27.What is the value of the digit 2 in 27.815? (a) 20 (b) 0.2 (c) 0.02 (d) 2
  28. 28.Which is the smallest: 0.083, 0.3, 0.37, 0.274? (a) 0.083 (b) 0.3 (c) 0.37 (d) 0.274
  29. 29.6.23 + 7.9 = ? (a) 14.13 (b) 7.02 (c) 14.23 (d) 14.03
  30. 30.9.67 + 2.1 = ? (a) 9.88 (b) 11.67 (c) 11.87 (d) 11.77
  31. 31.1.68 + 4.3 = ? (a) 6.08 (b) 5.88 (c) 2.11 (d) 5.98
  32. 32.Which is the smallest: 0.3, 0.032, 0.254, 0.35? (a) 0.3 (b) 0.032 (c) 0.254 (d) 0.35
  33. 33.What is the value of the digit 8 in 52.846? (a) 8 (b) 0.8 (c) 0.08 (d) 0.008
  34. 34.What is the value of the digit 3 in 48.239? (a) 0.03 (b) 0.3 (c) 0.003 (d) 3
  35. 35.What is the value of the digit 1 in 15.764? (a) 1 (b) 10 (c) 0.01 (d) 0.1
  36. 36.Which is the greatest: 0.5, 0.046, 0.471, 0.52? (a) 0.5 (b) 0.046 (c) 0.471 (d) 0.52
  37. 37.5.04 + 4.9 = ? (a) 9.84 (b) 10.04 (c) 5.53 (d) 9.94
  38. 38.3.68 + 1.9 = ? (a) 5.68 (b) 5.48 (c) 5.58 (d) 3.87
  39. 39.What is the value of the digit 9 in 83.972? (a) 0.009 (b) 0.9 (c) 9 (d) 0.09
  40. 40.Which is the smallest: 0.27, 0.021, 0.191, 0.2? (a) 0.27 (b) 0.021 (c) 0.191 (d) 0.2

Answer key

  1. 0.066
  2. 0.72
  3. 14.31
  4. 0.094
  5. 15.17
  6. 0.063
  7. 0.07
  8. 0.42
  9. 15.96
  10. 9.73
  11. 10.91
  12. 0.53
  13. 0.62
  14. 0.005
  15. 0.56
  16. 6.01
  17. 12.43
  18. 0.2
  19. 6.21
  20. 0.07
  21. 6
  22. 11.58
  23. 7
  24. 0.32
  25. 0.61
  26. 12.03
  27. 20
  28. 0.083
  29. 14.13
  30. 11.77
  31. 5.98
  32. 0.032
  33. 0.8
  34. 0.03
  35. 10
  36. 0.52
  37. 9.94
  38. 5.58
  39. 0.9
  40. 0.021

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