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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 395 · 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 5 in 97.325? (a) 0.5 (b) 5 (c) 0.005 (d) 0.05
  2. 2.Which is the smallest: 0.2, 0.152, 0.099, 0.29? (a) 0.2 (b) 0.152 (c) 0.099 (d) 0.29
  3. 3.Which is the smallest: 0.2, 0.27, 0.188, 0.081? (a) 0.2 (b) 0.27 (c) 0.188 (d) 0.081
  4. 4.What is the value of the digit 6 in 83.645? (a) 6 (b) 0.006 (c) 0.6 (d) 0.06
  5. 5.Which is the smallest: 0.682, 0.7, 0.77, 0.044? (a) 0.682 (b) 0.7 (c) 0.77 (d) 0.044
  6. 6.Which is the greatest: 0.21, 0.2, 0.193, 0.023? (a) 0.21 (b) 0.2 (c) 0.193 (d) 0.023
  7. 7.Which is the greatest: 0.096, 0.2, 0.27, 0.143? (a) 0.096 (b) 0.2 (c) 0.27 (d) 0.143
  8. 8.Which is the smallest: 0.034, 0.25, 0.141, 0.2? (a) 0.034 (b) 0.25 (c) 0.141 (d) 0.2
  9. 9.What is the value of the digit 1 in 92.451? (a) 0.1 (b) 0.01 (c) 1 (d) 0.001
  10. 10.Which is the smallest: 0.026, 0.8, 0.719, 0.89? (a) 0.026 (b) 0.8 (c) 0.719 (d) 0.89
  11. 11.3.45 + 1.1 = ? (a) 4.65 (b) 4.55 (c) 3.56 (d) 4.45
  12. 12.Which is the smallest: 0.2, 0.24, 0.117, 0.039? (a) 0.2 (b) 0.24 (c) 0.117 (d) 0.039
  13. 13.Which is the greatest: 0.35, 0.221, 0.3, 0.022? (a) 0.35 (b) 0.221 (c) 0.3 (d) 0.022
  14. 14.What is the value of the digit 6 in 58.761? (a) 0.6 (b) 0.06 (c) 0.006 (d) 6
  15. 15.What is the value of the digit 4 in 98.274? (a) 4 (b) 0.004 (c) 0.04 (d) 0.4
  16. 16.Which is the smallest: 0.013, 0.7, 0.616, 0.73? (a) 0.013 (b) 0.7 (c) 0.616 (d) 0.73
  17. 17.Which is the greatest: 0.46, 0.038, 0.4, 0.371? (a) 0.46 (b) 0.038 (c) 0.4 (d) 0.371
  18. 18.Which is the smallest: 0.57, 0.445, 0.087, 0.5? (a) 0.57 (b) 0.445 (c) 0.087 (d) 0.5
  19. 19.Which is the greatest: 0.094, 0.37, 0.293, 0.3? (a) 0.094 (b) 0.37 (c) 0.293 (d) 0.3
  20. 20.What is the value of the digit 3 in 74.853? (a) 0.03 (b) 3 (c) 0.3 (d) 0.003
  21. 21.What is the value of the digit 6 in 86.325? (a) 0.06 (b) 0.6 (c) 6 (d) 60
  22. 22.2.58 + 7.2 = ? (a) 3.3 (b) 9.78 (c) 9.88 (d) 9.68
  23. 23.8.69 + 8.1 = ? (a) 9.5 (b) 16.69 (c) 16.79 (d) 16.89
  24. 24.6.51 + 1.5 = ? (a) 7.91 (b) 6.66 (c) 8.01 (d) 8.11
  25. 25.What is the value of the digit 7 in 59.637? (a) 0.007 (b) 0.07 (c) 7 (d) 0.7
  26. 26.What is the value of the digit 2 in 25.379? (a) 2 (b) 0.2 (c) 20 (d) 0.02
  27. 27.8.62 + 4.5 = ? (a) 13.02 (b) 13.22 (c) 13.12 (d) 9.07
  28. 28.3.25 + 3.3 = ? (a) 3.58 (b) 6.45 (c) 6.65 (d) 6.55
  29. 29.9.81 + 4.6 = ? (a) 14.51 (b) 10.27 (c) 14.41 (d) 14.31
  30. 30.Which is the greatest: 0.018, 0.8, 0.718, 0.88? (a) 0.018 (b) 0.8 (c) 0.718 (d) 0.88
  31. 31.What is the value of the digit 2 in 74.382? (a) 2 (b) 0.002 (c) 0.02 (d) 0.2
  32. 32.4.63 + 3.7 = ? (a) 5 (b) 8.43 (c) 8.33 (d) 8.23
  33. 33.What is the value of the digit 2 in 21.639? (a) 20 (b) 2 (c) 0.02 (d) 0.2
  34. 34.What is the value of the digit 5 in 85.713? (a) 0.5 (b) 5 (c) 50 (d) 0.05
  35. 35.6.04 + 2.8 = ? (a) 8.74 (b) 8.84 (c) 8.94 (d) 6.32
  36. 36.What is the value of the digit 8 in 84.531? (a) 0.08 (b) 0.8 (c) 8 (d) 80
  37. 37.2.03 + 7.5 = ? (a) 2.78 (b) 9.53 (c) 9.63 (d) 9.43
  38. 38.Which is the greatest: 0.378, 0.4, 0.067, 0.49? (a) 0.378 (b) 0.4 (c) 0.067 (d) 0.49
  39. 39.What is the value of the digit 9 in 79.384? (a) 0.9 (b) 90 (c) 9 (d) 0.09
  40. 40.8.63 + 4.1 = ? (a) 12.83 (b) 12.73 (c) 9.04 (d) 12.63

Answer key

  1. 0.005
  2. 0.099
  3. 0.081
  4. 0.6
  5. 0.044
  6. 0.21
  7. 0.27
  8. 0.034
  9. 0.001
  10. 0.026
  11. 4.55
  12. 0.039
  13. 0.35
  14. 0.06
  15. 0.004
  16. 0.013
  17. 0.46
  18. 0.087
  19. 0.37
  20. 0.003
  21. 6
  22. 9.78
  23. 16.79
  24. 8.01
  25. 0.007
  26. 20
  27. 13.12
  28. 6.55
  29. 14.41
  30. 0.88
  31. 0.002
  32. 8.33
  33. 20
  34. 5
  35. 8.84
  36. 80
  37. 9.53
  38. 0.49
  39. 9
  40. 12.73

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