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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 386 · 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 13.826? (a) 2 (b) 0.2 (c) 0.002 (d) 0.02
  2. 2.Which is the greatest: 0.554, 0.68, 0.018, 0.6? (a) 0.554 (b) 0.68 (c) 0.018 (d) 0.6
  3. 3.6.21 + 4.9 = ? (a) 6.7 (b) 11.21 (c) 11.01 (d) 11.11
  4. 4.Which is the greatest: 0.061, 0.51, 0.454, 0.5? (a) 0.061 (b) 0.51 (c) 0.454 (d) 0.5
  5. 5.Which is the greatest: 0.034, 0.788, 0.81, 0.8? (a) 0.034 (b) 0.788 (c) 0.81 (d) 0.8
  6. 6.6.11 + 7.3 = ? (a) 13.51 (b) 13.41 (c) 6.84 (d) 13.31
  7. 7.6.57 + 7.1 = ? (a) 13.67 (b) 13.77 (c) 7.28 (d) 13.57
  8. 8.What is the value of the digit 4 in 43.186? (a) 40 (b) 0.04 (c) 4 (d) 0.4
  9. 9.Which is the smallest: 0.049, 0.48, 0.335, 0.4? (a) 0.049 (b) 0.48 (c) 0.335 (d) 0.4
  10. 10.Which is the greatest: 0.081, 0.5, 0.411, 0.53? (a) 0.081 (b) 0.5 (c) 0.411 (d) 0.53
  11. 11.3.22 + 6.6 = ? (a) 3.88 (b) 9.92 (c) 9.82 (d) 9.72
  12. 12.What is the value of the digit 3 in 17.396? (a) 0.3 (b) 0.003 (c) 0.03 (d) 3
  13. 13.Which is the smallest: 0.4, 0.41, 0.326, 0.089? (a) 0.4 (b) 0.41 (c) 0.326 (d) 0.089
  14. 14.What is the value of the digit 5 in 87.956? (a) 5 (b) 0.005 (c) 0.05 (d) 0.5
  15. 15.5.28 + 3.9 = ? (a) 9.08 (b) 5.67 (c) 9.18 (d) 9.28
  16. 16.What is the value of the digit 3 in 31.876? (a) 3 (b) 0.03 (c) 0.3 (d) 30
  17. 17.What is the value of the digit 9 in 79.652? (a) 0.9 (b) 0.09 (c) 9 (d) 90
  18. 18.Which is the greatest: 0.056, 0.26, 0.2, 0.186? (a) 0.056 (b) 0.26 (c) 0.2 (d) 0.186
  19. 19.3.15 + 4.9 = ? (a) 3.64 (b) 7.95 (c) 8.15 (d) 8.05
  20. 20.Which is the greatest: 0.8, 0.747, 0.029, 0.81? (a) 0.8 (b) 0.747 (c) 0.029 (d) 0.81
  21. 21.What is the value of the digit 9 in 24.839? (a) 0.9 (b) 0.009 (c) 0.09 (d) 9
  22. 22.7.32 + 6.3 = ? (a) 13.52 (b) 13.72 (c) 7.95 (d) 13.62
  23. 23.What is the value of the digit 3 in 43.872? (a) 3 (b) 30 (c) 0.3 (d) 0.03
  24. 24.Which is the greatest: 0.6, 0.585, 0.039, 0.68? (a) 0.6 (b) 0.585 (c) 0.039 (d) 0.68
  25. 25.What is the value of the digit 6 in 98.162? (a) 0.006 (b) 6 (c) 0.06 (d) 0.6
  26. 26.5.54 + 6.3 = ? (a) 11.74 (b) 11.84 (c) 6.17 (d) 11.94
  27. 27.7.48 + 7.6 = ? (a) 8.24 (b) 14.98 (c) 15.18 (d) 15.08
  28. 28.What is the value of the digit 5 in 86.725? (a) 0.5 (b) 0.005 (c) 0.05 (d) 5
  29. 29.What is the value of the digit 1 in 24.971? (a) 0.1 (b) 0.001 (c) 0.01 (d) 1
  30. 30.Which is the greatest: 0.623, 0.73, 0.7, 0.029? (a) 0.623 (b) 0.73 (c) 0.7 (d) 0.029
  31. 31.What is the value of the digit 6 in 87.963? (a) 0.06 (b) 0.006 (c) 0.6 (d) 6
  32. 32.Which is the greatest: 0.7, 0.011, 0.72, 0.687? (a) 0.7 (b) 0.011 (c) 0.72 (d) 0.687
  33. 33.8.32 + 4.8 = ? (a) 13.02 (b) 13.12 (c) 8.8 (d) 13.22
  34. 34.Which is the greatest: 0.037, 0.41, 0.4, 0.364? (a) 0.037 (b) 0.41 (c) 0.4 (d) 0.364
  35. 35.Which is the smallest: 0.81, 0.738, 0.8, 0.045? (a) 0.81 (b) 0.738 (c) 0.8 (d) 0.045
  36. 36.Which is the greatest: 0.071, 0.32, 0.255, 0.3? (a) 0.071 (b) 0.32 (c) 0.255 (d) 0.3
  37. 37.2.23 + 5.9 = ? (a) 8.23 (b) 2.82 (c) 8.13 (d) 8.03
  38. 38.Which is the greatest: 0.75, 0.7, 0.058, 0.692? (a) 0.75 (b) 0.7 (c) 0.058 (d) 0.692
  39. 39.Which is the smallest: 0.67, 0.083, 0.6, 0.574? (a) 0.67 (b) 0.083 (c) 0.6 (d) 0.574
  40. 40.What is the value of the digit 9 in 64.597? (a) 0.09 (b) 0.009 (c) 9 (d) 0.9

Answer key

  1. 0.02
  2. 0.68
  3. 11.11
  4. 0.51
  5. 0.81
  6. 13.41
  7. 13.67
  8. 40
  9. 0.049
  10. 0.53
  11. 9.82
  12. 0.3
  13. 0.089
  14. 0.05
  15. 9.18
  16. 30
  17. 9
  18. 0.26
  19. 8.05
  20. 0.81
  21. 0.009
  22. 13.62
  23. 3
  24. 0.68
  25. 0.06
  26. 11.84
  27. 15.08
  28. 0.005
  29. 0.001
  30. 0.73
  31. 0.06
  32. 0.72
  33. 13.12
  34. 0.41
  35. 0.045
  36. 0.32
  37. 8.13
  38. 0.75
  39. 0.083
  40. 0.09

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