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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 339 · 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 smallest: 0.336, 0.42, 0.061, 0.4? (a) 0.336 (b) 0.42 (c) 0.061 (d) 0.4
  2. 2.What is the value of the digit 2 in 29.683? (a) 0.2 (b) 20 (c) 0.02 (d) 2
  3. 3.What is the value of the digit 8 in 89.236? (a) 0.08 (b) 8 (c) 0.8 (d) 80
  4. 4.What is the value of the digit 5 in 23.549? (a) 0.05 (b) 0.005 (c) 0.5 (d) 5
  5. 5.What is the value of the digit 1 in 12.957? (a) 0.1 (b) 1 (c) 10 (d) 0.01
  6. 6.2.73 + 1.4 = ? (a) 4.03 (b) 2.87 (c) 4.13 (d) 4.23
  7. 7.Which is the greatest: 0.35, 0.3, 0.282, 0.089? (a) 0.35 (b) 0.3 (c) 0.282 (d) 0.089
  8. 8.Which is the greatest: 0.45, 0.371, 0.083, 0.4? (a) 0.45 (b) 0.371 (c) 0.083 (d) 0.4
  9. 9.Which is the smallest: 0.042, 0.4, 0.327, 0.41? (a) 0.042 (b) 0.4 (c) 0.327 (d) 0.41
  10. 10.3.51 + 6.2 = ? (a) 4.13 (b) 9.81 (c) 9.61 (d) 9.71
  11. 11.Which is the smallest: 0.484, 0.5, 0.51, 0.099? (a) 0.484 (b) 0.5 (c) 0.51 (d) 0.099
  12. 12.Which is the smallest: 0.2, 0.122, 0.27, 0.015? (a) 0.2 (b) 0.122 (c) 0.27 (d) 0.015
  13. 13.What is the value of the digit 1 in 95.681? (a) 1 (b) 0.01 (c) 0.1 (d) 0.001
  14. 14.What is the value of the digit 8 in 76.283? (a) 0.008 (b) 8 (c) 0.08 (d) 0.8
  15. 15.9.45 + 1.7 = ? (a) 11.15 (b) 9.62 (c) 11.05 (d) 11.25
  16. 16.1.49 + 5.9 = ? (a) 7.39 (b) 7.49 (c) 7.29 (d) 2.08
  17. 17.What is the value of the digit 5 in 25.639? (a) 5 (b) 0.5 (c) 0.05 (d) 50
  18. 18.What is the value of the digit 9 in 29.583? (a) 0.9 (b) 9 (c) 0.09 (d) 90
  19. 19.6.88 + 9.1 = ? (a) 15.98 (b) 7.79 (c) 16.08 (d) 15.88
  20. 20.What is the value of the digit 4 in 87.142? (a) 0.004 (b) 0.4 (c) 0.04 (d) 4
  21. 21.Which is the greatest: 0.44, 0.314, 0.079, 0.4? (a) 0.44 (b) 0.314 (c) 0.079 (d) 0.4
  22. 22.Which is the smallest: 0.631, 0.75, 0.7, 0.017? (a) 0.631 (b) 0.75 (c) 0.7 (d) 0.017
  23. 23.8.77 + 3.3 = ? (a) 11.97 (b) 9.1 (c) 12.17 (d) 12.07
  24. 24.6.13 + 6.4 = ? (a) 6.77 (b) 12.63 (c) 12.43 (d) 12.53
  25. 25.Which is the greatest: 0.082, 0.213, 0.3, 0.37? (a) 0.082 (b) 0.213 (c) 0.3 (d) 0.37
  26. 26.Which is the greatest: 0.81, 0.727, 0.055, 0.8? (a) 0.81 (b) 0.727 (c) 0.055 (d) 0.8
  27. 27.Which is the greatest: 0.628, 0.088, 0.7, 0.72? (a) 0.628 (b) 0.088 (c) 0.7 (d) 0.72
  28. 28.What is the value of the digit 5 in 82.756? (a) 0.5 (b) 0.005 (c) 0.05 (d) 5
  29. 29.7.14 + 5.1 = ? (a) 12.34 (b) 7.65 (c) 12.14 (d) 12.24
  30. 30.7.84 + 9.6 = ? (a) 17.34 (b) 8.8 (c) 17.44 (d) 17.54
  31. 31.9.71 + 3.9 = ? (a) 13.61 (b) 13.51 (c) 13.71 (d) 10.1
  32. 32.What is the value of the digit 2 in 82.349? (a) 20 (b) 0.02 (c) 0.2 (d) 2
  33. 33.2.17 + 1.9 = ? (a) 2.36 (b) 3.97 (c) 4.17 (d) 4.07
  34. 34.What is the value of the digit 3 in 47.913? (a) 0.003 (b) 0.3 (c) 3 (d) 0.03
  35. 35.2.26 + 8.8 = ? (a) 3.14 (b) 10.96 (c) 11.16 (d) 11.06
  36. 36.2.07 + 8.2 = ? (a) 2.89 (b) 10.17 (c) 10.37 (d) 10.27
  37. 37.What is the value of the digit 2 in 21.743? (a) 0.02 (b) 2 (c) 0.2 (d) 20
  38. 38.3.51 + 4.1 = ? (a) 3.92 (b) 7.71 (c) 7.51 (d) 7.61
  39. 39.1.85 + 1.2 = ? (a) 1.97 (b) 3.15 (c) 2.95 (d) 3.05
  40. 40.What is the value of the digit 4 in 23.184? (a) 0.04 (b) 4 (c) 0.004 (d) 0.4

Answer key

  1. 0.061
  2. 20
  3. 80
  4. 0.5
  5. 10
  6. 4.13
  7. 0.35
  8. 0.45
  9. 0.042
  10. 9.71
  11. 0.099
  12. 0.015
  13. 0.001
  14. 0.08
  15. 11.15
  16. 7.39
  17. 5
  18. 9
  19. 15.98
  20. 0.04
  21. 0.44
  22. 0.017
  23. 12.07
  24. 12.53
  25. 0.37
  26. 0.81
  27. 0.72
  28. 0.05
  29. 12.24
  30. 17.44
  31. 13.61
  32. 2
  33. 4.07
  34. 0.003
  35. 11.06
  36. 10.27
  37. 20
  38. 7.61
  39. 3.05
  40. 0.004

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