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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 404 · 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 9 in 37.894? (a) 9 (b) 0.09 (c) 0.9 (d) 0.009
  2. 2.What is the value of the digit 7 in 84.753? (a) 0.07 (b) 7 (c) 0.007 (d) 0.7
  3. 3.Which is the smallest: 0.012, 0.44, 0.4, 0.319? (a) 0.012 (b) 0.44 (c) 0.4 (d) 0.319
  4. 4.7.16 + 7.1 = ? (a) 7.87 (b) 14.36 (c) 14.26 (d) 14.16
  5. 5.What is the value of the digit 6 in 47.896? (a) 0.006 (b) 0.06 (c) 6 (d) 0.6
  6. 6.6.37 + 1.6 = ? (a) 7.97 (b) 8.07 (c) 7.87 (d) 6.53
  7. 7.Which is the greatest: 0.85, 0.013, 0.8, 0.726? (a) 0.85 (b) 0.013 (c) 0.8 (d) 0.726
  8. 8.Which is the greatest: 0.143, 0.011, 0.27, 0.2? (a) 0.143 (b) 0.011 (c) 0.27 (d) 0.2
  9. 9.What is the value of the digit 7 in 47.185? (a) 70 (b) 7 (c) 0.07 (d) 0.7
  10. 10.7.09 + 7.5 = ? (a) 7.84 (b) 14.59 (c) 14.49 (d) 14.69
  11. 11.What is the value of the digit 8 in 18.954? (a) 0.08 (b) 80 (c) 8 (d) 0.8
  12. 12.What is the value of the digit 4 in 71.824? (a) 0.4 (b) 0.04 (c) 4 (d) 0.004
  13. 13.4.81 + 9.8 = ? (a) 14.61 (b) 14.71 (c) 5.79 (d) 14.51
  14. 14.5.51 + 1.1 = ? (a) 6.51 (b) 6.61 (c) 6.71 (d) 5.62
  15. 15.What is the value of the digit 8 in 85.623? (a) 0.08 (b) 8 (c) 80 (d) 0.8
  16. 16.What is the value of the digit 3 in 93.682? (a) 30 (b) 0.03 (c) 0.3 (d) 3
  17. 17.What is the value of the digit 9 in 25.794? (a) 0.009 (b) 0.9 (c) 0.09 (d) 9
  18. 18.What is the value of the digit 3 in 25.384? (a) 0.3 (b) 0.003 (c) 0.03 (d) 3
  19. 19.Which is the greatest: 0.5, 0.57, 0.054, 0.485? (a) 0.5 (b) 0.57 (c) 0.054 (d) 0.485
  20. 20.1.98 + 1.4 = ? (a) 2.12 (b) 3.38 (c) 3.48 (d) 3.28
  21. 21.9.61 + 2.1 = ? (a) 11.71 (b) 11.61 (c) 11.81 (d) 9.82
  22. 22.What is the value of the digit 5 in 94.258? (a) 0.5 (b) 5 (c) 0.005 (d) 0.05
  23. 23.What is the value of the digit 1 in 52.716? (a) 0.001 (b) 0.1 (c) 0.01 (d) 1
  24. 24.8.53 + 3.9 = ? (a) 12.53 (b) 12.33 (c) 12.43 (d) 8.92
  25. 25.8.87 + 6.1 = ? (a) 9.48 (b) 15.07 (c) 14.97 (d) 14.87
  26. 26.6.79 + 9.8 = ? (a) 16.69 (b) 16.49 (c) 16.59 (d) 7.77
  27. 27.1.61 + 2.2 = ? (a) 1.83 (b) 3.71 (c) 3.81 (d) 3.91
  28. 28.Which is the greatest: 0.461, 0.066, 0.5, 0.53? (a) 0.461 (b) 0.066 (c) 0.5 (d) 0.53
  29. 29.9.48 + 1.8 = ? (a) 11.18 (b) 11.38 (c) 11.28 (d) 9.66
  30. 30.What is the value of the digit 2 in 38.267? (a) 0.002 (b) 2 (c) 0.2 (d) 0.02
  31. 31.6.53 + 4.6 = ? (a) 11.23 (b) 11.03 (c) 6.99 (d) 11.13
  32. 32.Which is the greatest: 0.4, 0.46, 0.365, 0.061? (a) 0.4 (b) 0.46 (c) 0.365 (d) 0.061
  33. 33.9.31 + 5.8 = ? (a) 9.89 (b) 15.21 (c) 15.01 (d) 15.11
  34. 34.What is the value of the digit 9 in 85.961? (a) 0.009 (b) 9 (c) 0.9 (d) 0.09
  35. 35.9.76 + 4.6 = ? (a) 14.36 (b) 14.26 (c) 14.46 (d) 10.22
  36. 36.What is the value of the digit 2 in 23.648? (a) 2 (b) 0.2 (c) 0.02 (d) 20
  37. 37.Which is the greatest: 0.55, 0.429, 0.079, 0.5? (a) 0.55 (b) 0.429 (c) 0.079 (d) 0.5
  38. 38.Which is the smallest: 0.85, 0.081, 0.8, 0.728? (a) 0.85 (b) 0.081 (c) 0.8 (d) 0.728
  39. 39.4.42 + 5.7 = ? (a) 10.22 (b) 10.02 (c) 10.12 (d) 4.99
  40. 40.2.92 + 7.9 = ? (a) 10.92 (b) 3.71 (c) 10.72 (d) 10.82

Answer key

  1. 0.09
  2. 0.7
  3. 0.012
  4. 14.26
  5. 0.006
  6. 7.97
  7. 0.85
  8. 0.27
  9. 7
  10. 14.59
  11. 8
  12. 0.004
  13. 14.61
  14. 6.61
  15. 80
  16. 3
  17. 0.09
  18. 0.3
  19. 0.57
  20. 3.38
  21. 11.71
  22. 0.05
  23. 0.01
  24. 12.43
  25. 14.97
  26. 16.59
  27. 3.81
  28. 0.53
  29. 11.28
  30. 0.2
  31. 11.13
  32. 0.46
  33. 15.11
  34. 0.9
  35. 14.36
  36. 20
  37. 0.55
  38. 0.081
  39. 10.12
  40. 10.82

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