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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 551 · 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 8 in 36.182? (a) 0.008 (b) 0.08 (c) 8 (d) 0.8
  2. 2.What is the value of the digit 3 in 53.248? (a) 3 (b) 30 (c) 0.03 (d) 0.3
  3. 3.Which is the greatest: 0.365, 0.026, 0.4, 0.43? (a) 0.365 (b) 0.026 (c) 0.4 (d) 0.43
  4. 4.What is the value of the digit 2 in 62.318? (a) 0.2 (b) 20 (c) 2 (d) 0.02
  5. 5.Which is the smallest: 0.067, 0.86, 0.8, 0.753? (a) 0.067 (b) 0.86 (c) 0.8 (d) 0.753
  6. 6.2.48 + 7.9 = ? (a) 10.28 (b) 10.38 (c) 10.48 (d) 3.27
  7. 7.Which is the smallest: 0.722, 0.85, 0.8, 0.052? (a) 0.722 (b) 0.85 (c) 0.8 (d) 0.052
  8. 8.4.67 + 8.2 = ? (a) 12.97 (b) 5.49 (c) 12.77 (d) 12.87
  9. 9.What is the value of the digit 9 in 29.465? (a) 0.09 (b) 9 (c) 90 (d) 0.9
  10. 10.Which is the smallest: 0.036, 0.278, 0.37, 0.3? (a) 0.036 (b) 0.278 (c) 0.37 (d) 0.3
  11. 11.What is the value of the digit 7 in 89.217? (a) 0.07 (b) 7 (c) 0.7 (d) 0.007
  12. 12.7.52 + 4.4 = ? (a) 12.02 (b) 11.92 (c) 11.82 (d) 7.96
  13. 13.3.32 + 8.2 = ? (a) 11.62 (b) 4.14 (c) 11.52 (d) 11.42
  14. 14.What is the value of the digit 9 in 37.419? (a) 0.09 (b) 0.009 (c) 0.9 (d) 9
  15. 15.What is the value of the digit 5 in 85.923? (a) 0.5 (b) 5 (c) 50 (d) 0.05
  16. 16.5.44 + 1.5 = ? (a) 7.04 (b) 5.59 (c) 6.84 (d) 6.94
  17. 17.What is the value of the digit 2 in 57.298? (a) 0.002 (b) 0.2 (c) 0.02 (d) 2
  18. 18.Which is the greatest: 0.4, 0.42, 0.034, 0.388? (a) 0.4 (b) 0.42 (c) 0.034 (d) 0.388
  19. 19.4.16 + 2.2 = ? (a) 6.26 (b) 4.38 (c) 6.46 (d) 6.36
  20. 20.Which is the greatest: 0.69, 0.012, 0.573, 0.6? (a) 0.69 (b) 0.012 (c) 0.573 (d) 0.6
  21. 21.What is the value of the digit 8 in 86.274? (a) 80 (b) 0.8 (c) 0.08 (d) 8
  22. 22.What is the value of the digit 3 in 31.265? (a) 3 (b) 30 (c) 0.3 (d) 0.03
  23. 23.What is the value of the digit 1 in 61.754? (a) 10 (b) 0.1 (c) 1 (d) 0.01
  24. 24.8.91 + 4.8 = ? (a) 13.61 (b) 9.39 (c) 13.71 (d) 13.81
  25. 25.4.68 + 8.6 = ? (a) 5.54 (b) 13.38 (c) 13.18 (d) 13.28
  26. 26.Which is the greatest: 0.096, 0.2, 0.174, 0.23? (a) 0.096 (b) 0.2 (c) 0.174 (d) 0.23
  27. 27.Which is the greatest: 0.3, 0.084, 0.31, 0.272? (a) 0.3 (b) 0.084 (c) 0.31 (d) 0.272
  28. 28.Which is the greatest: 0.036, 0.452, 0.51, 0.5? (a) 0.036 (b) 0.452 (c) 0.51 (d) 0.5
  29. 29.7.33 + 9.7 = ? (a) 17.13 (b) 16.93 (c) 8.3 (d) 17.03
  30. 30.8.04 + 5.2 = ? (a) 8.56 (b) 13.24 (c) 13.34 (d) 13.14
  31. 31.Which is the smallest: 0.66, 0.084, 0.547, 0.6? (a) 0.66 (b) 0.084 (c) 0.547 (d) 0.6
  32. 32.Which is the smallest: 0.589, 0.64, 0.072, 0.6? (a) 0.589 (b) 0.64 (c) 0.072 (d) 0.6
  33. 33.7.96 + 6.2 = ? (a) 8.58 (b) 14.26 (c) 14.16 (d) 14.06
  34. 34.Which is the greatest: 0.719, 0.85, 0.8, 0.014? (a) 0.719 (b) 0.85 (c) 0.8 (d) 0.014
  35. 35.4.23 + 3.2 = ? (a) 7.43 (b) 7.53 (c) 7.33 (d) 4.55
  36. 36.Which is the greatest: 0.6, 0.578, 0.67, 0.081? (a) 0.6 (b) 0.578 (c) 0.67 (d) 0.081
  37. 37.Which is the greatest: 0.016, 0.3, 0.213, 0.34? (a) 0.016 (b) 0.3 (c) 0.213 (d) 0.34
  38. 38.Which is the greatest: 0.089, 0.39, 0.3, 0.284? (a) 0.089 (b) 0.39 (c) 0.3 (d) 0.284
  39. 39.3.47 + 3.6 = ? (a) 7.07 (b) 6.97 (c) 3.83 (d) 7.17
  40. 40.9.49 + 2.5 = ? (a) 11.99 (b) 11.89 (c) 12.09 (d) 9.74

Answer key

  1. 0.08
  2. 3
  3. 0.43
  4. 2
  5. 0.067
  6. 10.38
  7. 0.052
  8. 12.87
  9. 9
  10. 0.036
  11. 0.007
  12. 11.92
  13. 11.52
  14. 0.009
  15. 5
  16. 6.94
  17. 0.2
  18. 0.42
  19. 6.36
  20. 0.69
  21. 80
  22. 30
  23. 1
  24. 13.71
  25. 13.28
  26. 0.23
  27. 0.31
  28. 0.51
  29. 17.03
  30. 13.24
  31. 0.084
  32. 0.072
  33. 14.16
  34. 0.85
  35. 7.43
  36. 0.67
  37. 0.34
  38. 0.39
  39. 7.07
  40. 11.99

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