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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 976 · 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 1 in 69.712? (a) 0.01 (b) 1 (c) 0.001 (d) 0.1
  2. 2.What is the value of the digit 2 in 54.821? (a) 0.002 (b) 2 (c) 0.02 (d) 0.2
  3. 3.What is the value of the digit 4 in 61.348? (a) 4 (b) 0.004 (c) 0.04 (d) 0.4
  4. 4.Which is the smallest: 0.2, 0.162, 0.023, 0.28? (a) 0.2 (b) 0.162 (c) 0.023 (d) 0.28
  5. 5.What is the value of the digit 3 in 13.742? (a) 0.3 (b) 30 (c) 3 (d) 0.03
  6. 6.1.03 + 3.7 = ? (a) 4.83 (b) 1.4 (c) 4.73 (d) 4.63
  7. 7.7.41 + 4.8 = ? (a) 7.89 (b) 12.31 (c) 12.11 (d) 12.21
  8. 8.What is the value of the digit 4 in 45.638? (a) 0.4 (b) 4 (c) 0.04 (d) 40
  9. 9.3.61 + 7.9 = ? (a) 11.41 (b) 11.61 (c) 11.51 (d) 4.4
  10. 10.What is the value of the digit 8 in 83.614? (a) 8 (b) 0.8 (c) 80 (d) 0.08
  11. 11.1.29 + 6.4 = ? (a) 7.79 (b) 7.69 (c) 7.59 (d) 1.93
  12. 12.Which is the smallest: 0.267, 0.34, 0.064, 0.3? (a) 0.267 (b) 0.34 (c) 0.064 (d) 0.3
  13. 13.Which is the greatest: 0.677, 0.73, 0.043, 0.7? (a) 0.677 (b) 0.73 (c) 0.043 (d) 0.7
  14. 14.4.98 + 5.3 = ? (a) 10.18 (b) 5.51 (c) 10.38 (d) 10.28
  15. 15.Which is the smallest: 0.2, 0.188, 0.025, 0.21? (a) 0.2 (b) 0.188 (c) 0.025 (d) 0.21
  16. 16.2.45 + 2.8 = ? (a) 2.73 (b) 5.25 (c) 5.15 (d) 5.35
  17. 17.4.43 + 1.8 = ? (a) 6.13 (b) 4.61 (c) 6.33 (d) 6.23
  18. 18.7.93 + 4.4 = ? (a) 8.37 (b) 12.43 (c) 12.23 (d) 12.33
  19. 19.Which is the greatest: 0.57, 0.459, 0.033, 0.5? (a) 0.57 (b) 0.459 (c) 0.033 (d) 0.5
  20. 20.What is the value of the digit 3 in 69.253? (a) 0.03 (b) 0.3 (c) 3 (d) 0.003
  21. 21.What is the value of the digit 4 in 19.478? (a) 0.04 (b) 0.004 (c) 4 (d) 0.4
  22. 22.What is the value of the digit 2 in 52.167? (a) 0.2 (b) 2 (c) 0.02 (d) 20
  23. 23.What is the value of the digit 3 in 34.857? (a) 0.03 (b) 0.3 (c) 30 (d) 3
  24. 24.3.46 + 1.2 = ? (a) 3.58 (b) 4.76 (c) 4.66 (d) 4.56
  25. 25.3.22 + 7.3 = ? (a) 10.62 (b) 3.95 (c) 10.52 (d) 10.42
  26. 26.Which is the smallest: 0.8, 0.038, 0.727, 0.84? (a) 0.8 (b) 0.038 (c) 0.727 (d) 0.84
  27. 27.What is the value of the digit 1 in 51.942? (a) 0.01 (b) 0.1 (c) 10 (d) 1
  28. 28.1.62 + 5.6 = ? (a) 7.32 (b) 7.12 (c) 7.22 (d) 2.18
  29. 29.What is the value of the digit 3 in 89.367? (a) 0.3 (b) 0.03 (c) 0.003 (d) 3
  30. 30.4.78 + 4.2 = ? (a) 9.08 (b) 8.88 (c) 5.2 (d) 8.98
  31. 31.9.41 + 2.7 = ? (a) 9.68 (b) 12.21 (c) 12.01 (d) 12.11
  32. 32.2.26 + 5.3 = ? (a) 7.66 (b) 7.46 (c) 7.56 (d) 2.79
  33. 33.3.19 + 5.5 = ? (a) 3.74 (b) 8.79 (c) 8.59 (d) 8.69
  34. 34.7.09 + 1.7 = ? (a) 8.79 (b) 8.69 (c) 7.26 (d) 8.89
  35. 35.Which is the smallest: 0.092, 0.7, 0.641, 0.76? (a) 0.092 (b) 0.7 (c) 0.641 (d) 0.76
  36. 36.Which is the smallest: 0.079, 0.57, 0.494, 0.5? (a) 0.079 (b) 0.57 (c) 0.494 (d) 0.5
  37. 37.Which is the smallest: 0.048, 0.535, 0.6, 0.65? (a) 0.048 (b) 0.535 (c) 0.6 (d) 0.65
  38. 38.2.01 + 7.6 = ? (a) 2.77 (b) 9.51 (c) 9.61 (d) 9.71
  39. 39.What is the value of the digit 1 in 14.326? (a) 0.01 (b) 10 (c) 0.1 (d) 1
  40. 40.6.87 + 3.5 = ? (a) 7.22 (b) 10.47 (c) 10.37 (d) 10.27

Answer key

  1. 0.01
  2. 0.02
  3. 0.04
  4. 0.023
  5. 3
  6. 4.73
  7. 12.21
  8. 40
  9. 11.51
  10. 80
  11. 7.69
  12. 0.064
  13. 0.73
  14. 10.28
  15. 0.025
  16. 5.25
  17. 6.23
  18. 12.33
  19. 0.57
  20. 0.003
  21. 0.4
  22. 2
  23. 30
  24. 4.66
  25. 10.52
  26. 0.038
  27. 1
  28. 7.22
  29. 0.3
  30. 8.98
  31. 12.11
  32. 7.56
  33. 8.69
  34. 8.79
  35. 0.092
  36. 0.079
  37. 0.048
  38. 9.61
  39. 10
  40. 10.37

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