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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 637 · 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 94.258? (a) 0.9 (b) 90 (c) 9 (d) 0.09
  2. 2.What is the value of the digit 5 in 43.518? (a) 5 (b) 0.005 (c) 0.05 (d) 0.5
  3. 3.3.12 + 9.7 = ? (a) 4.09 (b) 12.82 (c) 12.72 (d) 12.92
  4. 4.8.85 + 9.3 = ? (a) 18.05 (b) 9.78 (c) 18.25 (d) 18.15
  5. 5.What is the value of the digit 4 in 83.941? (a) 0.04 (b) 0.4 (c) 0.004 (d) 4
  6. 6.What is the value of the digit 2 in 92.356? (a) 20 (b) 0.2 (c) 2 (d) 0.02
  7. 7.What is the value of the digit 8 in 25.481? (a) 8 (b) 0.08 (c) 0.008 (d) 0.8
  8. 8.Which is the smallest: 0.776, 0.82, 0.081, 0.8? (a) 0.776 (b) 0.82 (c) 0.081 (d) 0.8
  9. 9.Which is the smallest: 0.776, 0.8, 0.81, 0.024? (a) 0.776 (b) 0.8 (c) 0.81 (d) 0.024
  10. 10.8.22 + 1.1 = ? (a) 8.33 (b) 9.22 (c) 9.42 (d) 9.32
  11. 11.What is the value of the digit 9 in 96.842? (a) 9 (b) 0.9 (c) 90 (d) 0.09
  12. 12.Which is the greatest: 0.3, 0.36, 0.284, 0.047? (a) 0.3 (b) 0.36 (c) 0.284 (d) 0.047
  13. 13.3.98 + 5.3 = ? (a) 4.51 (b) 9.38 (c) 9.28 (d) 9.18
  14. 14.What is the value of the digit 8 in 54.789? (a) 0.008 (b) 0.08 (c) 0.8 (d) 8
  15. 15.Which is the greatest: 0.49, 0.049, 0.336, 0.4? (a) 0.49 (b) 0.049 (c) 0.336 (d) 0.4
  16. 16.7.31 + 6.4 = ? (a) 13.61 (b) 13.71 (c) 7.95 (d) 13.81
  17. 17.Which is the greatest: 0.88, 0.762, 0.8, 0.092? (a) 0.88 (b) 0.762 (c) 0.8 (d) 0.092
  18. 18.What is the value of the digit 4 in 74.362? (a) 0.4 (b) 4 (c) 0.04 (d) 40
  19. 19.Which is the greatest: 0.071, 0.39, 0.272, 0.3? (a) 0.071 (b) 0.39 (c) 0.272 (d) 0.3
  20. 20.Which is the smallest: 0.028, 0.438, 0.5, 0.54? (a) 0.028 (b) 0.438 (c) 0.5 (d) 0.54
  21. 21.Which is the smallest: 0.491, 0.5, 0.061, 0.52? (a) 0.491 (b) 0.5 (c) 0.061 (d) 0.52
  22. 22.What is the value of the digit 1 in 18.695? (a) 0.1 (b) 10 (c) 1 (d) 0.01
  23. 23.1.75 + 4.5 = ? (a) 6.35 (b) 6.15 (c) 6.25 (d) 2.2
  24. 24.7.88 + 4.8 = ? (a) 12.78 (b) 12.58 (c) 8.36 (d) 12.68
  25. 25.Which is the greatest: 0.7, 0.093, 0.73, 0.631? (a) 0.7 (b) 0.093 (c) 0.73 (d) 0.631
  26. 26.Which is the smallest: 0.59, 0.051, 0.462, 0.5? (a) 0.59 (b) 0.051 (c) 0.462 (d) 0.5
  27. 27.Which is the smallest: 0.5, 0.421, 0.065, 0.51? (a) 0.5 (b) 0.421 (c) 0.065 (d) 0.51
  28. 28.Which is the smallest: 0.55, 0.5, 0.457, 0.057? (a) 0.55 (b) 0.5 (c) 0.457 (d) 0.057
  29. 29.What is the value of the digit 9 in 28.945? (a) 0.09 (b) 0.009 (c) 9 (d) 0.9
  30. 30.Which is the smallest: 0.074, 0.2, 0.25, 0.137? (a) 0.074 (b) 0.2 (c) 0.25 (d) 0.137
  31. 31.What is the value of the digit 2 in 14.293? (a) 0.002 (b) 0.2 (c) 2 (d) 0.02
  32. 32.1.62 + 3.1 = ? (a) 1.93 (b) 4.82 (c) 4.62 (d) 4.72
  33. 33.Which is the smallest: 0.3, 0.32, 0.034, 0.241? (a) 0.3 (b) 0.32 (c) 0.034 (d) 0.241
  34. 34.5.64 + 3.2 = ? (a) 5.96 (b) 8.84 (c) 8.74 (d) 8.94
  35. 35.What is the value of the digit 2 in 14.285? (a) 2 (b) 0.02 (c) 0.002 (d) 0.2
  36. 36.4.53 + 8.1 = ? (a) 12.53 (b) 5.34 (c) 12.73 (d) 12.63
  37. 37.Which is the greatest: 0.526, 0.6, 0.088, 0.65? (a) 0.526 (b) 0.6 (c) 0.088 (d) 0.65
  38. 38.Which is the smallest: 0.034, 0.539, 0.6, 0.66? (a) 0.034 (b) 0.539 (c) 0.6 (d) 0.66
  39. 39.9.36 + 5.7 = ? (a) 9.93 (b) 14.96 (c) 15.16 (d) 15.06
  40. 40.What is the value of the digit 3 in 87.341? (a) 0.03 (b) 3 (c) 0.3 (d) 0.003

Answer key

  1. 90
  2. 0.5
  3. 12.82
  4. 18.15
  5. 0.04
  6. 2
  7. 0.08
  8. 0.081
  9. 0.024
  10. 9.32
  11. 90
  12. 0.36
  13. 9.28
  14. 0.08
  15. 0.49
  16. 13.71
  17. 0.88
  18. 4
  19. 0.39
  20. 0.028
  21. 0.061
  22. 10
  23. 6.25
  24. 12.68
  25. 0.73
  26. 0.051
  27. 0.065
  28. 0.057
  29. 0.9
  30. 0.074
  31. 0.2
  32. 4.72
  33. 0.034
  34. 8.84
  35. 0.2
  36. 12.63
  37. 0.65
  38. 0.034
  39. 15.06
  40. 0.3

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