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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 282 · 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.Which is the greatest: 0.84, 0.748, 0.053, 0.8? (a) 0.84 (b) 0.748 (c) 0.053 (d) 0.8
  2. 2.Which is the greatest: 0.44, 0.4, 0.067, 0.339? (a) 0.44 (b) 0.4 (c) 0.067 (d) 0.339
  3. 3.Which is the greatest: 0.499, 0.51, 0.074, 0.5? (a) 0.499 (b) 0.51 (c) 0.074 (d) 0.5
  4. 4.3.77 + 6.7 = ? (a) 10.37 (b) 10.47 (c) 10.57 (d) 4.44
  5. 5.What is the value of the digit 6 in 16.748? (a) 0.6 (b) 6 (c) 0.06 (d) 60
  6. 6.9.34 + 5.1 = ? (a) 14.54 (b) 14.44 (c) 14.34 (d) 9.85
  7. 7.5.03 + 5.8 = ? (a) 10.93 (b) 10.83 (c) 10.73 (d) 5.61
  8. 8.What is the value of the digit 8 in 38.245? (a) 8 (b) 80 (c) 0.08 (d) 0.8
  9. 9.4.52 + 1.6 = ? (a) 6.12 (b) 6.22 (c) 4.68 (d) 6.02
  10. 10.What is the value of the digit 1 in 95.341? (a) 0.01 (b) 1 (c) 0.001 (d) 0.1
  11. 11.9.57 + 6.6 = ? (a) 16.17 (b) 16.07 (c) 10.23 (d) 16.27
  12. 12.What is the value of the digit 6 in 36.478? (a) 0.06 (b) 60 (c) 6 (d) 0.6
  13. 13.What is the value of the digit 4 in 42.156? (a) 4 (b) 0.4 (c) 40 (d) 0.04
  14. 14.Which is the greatest: 0.6, 0.68, 0.514, 0.025? (a) 0.6 (b) 0.68 (c) 0.514 (d) 0.025
  15. 15.5.22 + 6.4 = ? (a) 5.86 (b) 11.52 (c) 11.62 (d) 11.72
  16. 16.Which is the smallest: 0.198, 0.23, 0.2, 0.013? (a) 0.198 (b) 0.23 (c) 0.2 (d) 0.013
  17. 17.1.98 + 2.7 = ? (a) 2.25 (b) 4.68 (c) 4.78 (d) 4.58
  18. 18.What is the value of the digit 7 in 12.796? (a) 0.07 (b) 0.7 (c) 7 (d) 0.007
  19. 19.6.08 + 5.7 = ? (a) 11.88 (b) 6.65 (c) 11.78 (d) 11.68
  20. 20.3.67 + 7.6 = ? (a) 4.43 (b) 11.37 (c) 11.27 (d) 11.17
  21. 21.Which is the smallest: 0.78, 0.7, 0.029, 0.634? (a) 0.78 (b) 0.7 (c) 0.029 (d) 0.634
  22. 22.What is the value of the digit 6 in 28.756? (a) 0.6 (b) 0.006 (c) 0.06 (d) 6
  23. 23.6.44 + 3.4 = ? (a) 9.74 (b) 6.78 (c) 9.94 (d) 9.84
  24. 24.5.71 + 7.3 = ? (a) 13.11 (b) 6.44 (c) 12.91 (d) 13.01
  25. 25.2.79 + 2.7 = ? (a) 5.49 (b) 5.59 (c) 3.06 (d) 5.39
  26. 26.5.56 + 6.1 = ? (a) 11.56 (b) 11.66 (c) 11.76 (d) 6.17
  27. 27.4.18 + 1.3 = ? (a) 4.31 (b) 5.58 (c) 5.48 (d) 5.38
  28. 28.5.61 + 9.7 = ? (a) 15.41 (b) 6.58 (c) 15.21 (d) 15.31
  29. 29.What is the value of the digit 8 in 21.893? (a) 0.08 (b) 0.008 (c) 0.8 (d) 8
  30. 30.Which is the smallest: 0.098, 0.32, 0.211, 0.3? (a) 0.098 (b) 0.32 (c) 0.211 (d) 0.3
  31. 31.What is the value of the digit 7 in 87.163? (a) 70 (b) 0.7 (c) 0.07 (d) 7
  32. 32.9.88 + 7.3 = ? (a) 17.28 (b) 17.08 (c) 10.61 (d) 17.18
  33. 33.3.27 + 7.4 = ? (a) 10.67 (b) 10.57 (c) 4.01 (d) 10.77
  34. 34.5.85 + 8.7 = ? (a) 6.72 (b) 14.65 (c) 14.45 (d) 14.55
  35. 35.Which is the greatest: 0.367, 0.066, 0.4, 0.42? (a) 0.367 (b) 0.066 (c) 0.4 (d) 0.42
  36. 36.8.61 + 5.2 = ? (a) 13.81 (b) 13.71 (c) 9.13 (d) 13.91
  37. 37.What is the value of the digit 6 in 73.641? (a) 0.006 (b) 0.6 (c) 6 (d) 0.06
  38. 38.9.89 + 9.6 = ? (a) 10.85 (b) 19.39 (c) 19.49 (d) 19.59
  39. 39.Which is the smallest: 0.637, 0.061, 0.7, 0.78? (a) 0.637 (b) 0.061 (c) 0.7 (d) 0.78
  40. 40.What is the value of the digit 3 in 26.539? (a) 0.003 (b) 0.3 (c) 0.03 (d) 3

Answer key

  1. 0.84
  2. 0.44
  3. 0.51
  4. 10.47
  5. 6
  6. 14.44
  7. 10.83
  8. 8
  9. 6.12
  10. 0.001
  11. 16.17
  12. 6
  13. 40
  14. 0.68
  15. 11.62
  16. 0.013
  17. 4.68
  18. 0.7
  19. 11.78
  20. 11.27
  21. 0.029
  22. 0.006
  23. 9.84
  24. 13.01
  25. 5.49
  26. 11.66
  27. 5.48
  28. 15.31
  29. 0.8
  30. 0.098
  31. 7
  32. 17.18
  33. 10.67
  34. 14.55
  35. 0.42
  36. 13.81
  37. 0.6
  38. 19.49
  39. 0.061
  40. 0.03

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