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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 93 · 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: 0.5, 0.026, 0.494, 0.56? (a) 0.5 (b) 0.026 (c) 0.494 (d) 0.56
  2. 2.Which is the smallest: 0.8, 0.038, 0.83, 0.761? (a) 0.8 (b) 0.038 (c) 0.83 (d) 0.761
  3. 3.What is the value of the digit 1 in 26.931? (a) 0.01 (b) 0.1 (c) 1 (d) 0.001
  4. 4.5.98 + 2.2 = ? (a) 8.18 (b) 8.28 (c) 6.2 (d) 8.08
  5. 5.3.71 + 5.1 = ? (a) 4.22 (b) 8.71 (c) 8.81 (d) 8.91
  6. 6.What is the value of the digit 9 in 65.392? (a) 0.9 (b) 0.09 (c) 0.009 (d) 9
  7. 7.Which is the smallest: 0.312, 0.091, 0.43, 0.4? (a) 0.312 (b) 0.091 (c) 0.43 (d) 0.4
  8. 8.What is the value of the digit 1 in 36.819? (a) 0.001 (b) 0.01 (c) 1 (d) 0.1
  9. 9.What is the value of the digit 7 in 79.638? (a) 0.7 (b) 70 (c) 7 (d) 0.07
  10. 10.3.67 + 3.3 = ? (a) 6.87 (b) 7.07 (c) 6.97 (d) 4
  11. 11.Which is the smallest: 0.095, 0.336, 0.4, 0.46? (a) 0.095 (b) 0.336 (c) 0.4 (d) 0.46
  12. 12.What is the value of the digit 9 in 79.365? (a) 90 (b) 0.09 (c) 0.9 (d) 9
  13. 13.What is the value of the digit 6 in 16.549? (a) 6 (b) 0.6 (c) 60 (d) 0.06
  14. 14.5.75 + 6.7 = ? (a) 6.42 (b) 12.55 (c) 12.35 (d) 12.45
  15. 15.What is the value of the digit 9 in 95.214? (a) 0.09 (b) 0.9 (c) 90 (d) 9
  16. 16.What is the value of the digit 1 in 52.871? (a) 0.1 (b) 0.01 (c) 1 (d) 0.001
  17. 17.1.02 + 4.3 = ? (a) 5.22 (b) 5.42 (c) 1.45 (d) 5.32
  18. 18.5.64 + 5.4 = ? (a) 11.14 (b) 6.18 (c) 10.94 (d) 11.04
  19. 19.Which is the greatest: 0.2, 0.038, 0.24, 0.118? (a) 0.2 (b) 0.038 (c) 0.24 (d) 0.118
  20. 20.Which is the greatest: 0.5, 0.53, 0.029, 0.464? (a) 0.5 (b) 0.53 (c) 0.029 (d) 0.464
  21. 21.What is the value of the digit 4 in 41.392? (a) 40 (b) 4 (c) 0.04 (d) 0.4
  22. 22.Which is the greatest: 0.54, 0.461, 0.034, 0.5? (a) 0.54 (b) 0.461 (c) 0.034 (d) 0.5
  23. 23.What is the value of the digit 1 in 73.421? (a) 0.01 (b) 0.1 (c) 0.001 (d) 1
  24. 24.7.69 + 4.9 = ? (a) 12.59 (b) 8.18 (c) 12.69 (d) 12.49
  25. 25.What is the value of the digit 6 in 69.237? (a) 0.6 (b) 0.06 (c) 6 (d) 60
  26. 26.Which is the smallest: 0.036, 0.82, 0.779, 0.8? (a) 0.036 (b) 0.82 (c) 0.779 (d) 0.8
  27. 27.6.58 + 1.1 = ? (a) 6.69 (b) 7.58 (c) 7.78 (d) 7.68
  28. 28.Which is the greatest: 0.3, 0.081, 0.35, 0.259? (a) 0.3 (b) 0.081 (c) 0.35 (d) 0.259
  29. 29.4.01 + 4.9 = ? (a) 8.81 (b) 9.01 (c) 4.5 (d) 8.91
  30. 30.What is the value of the digit 2 in 29.841? (a) 0.2 (b) 2 (c) 0.02 (d) 20
  31. 31.What is the value of the digit 8 in 34.218? (a) 0.8 (b) 8 (c) 0.008 (d) 0.08
  32. 32.Which is the greatest: 0.134, 0.23, 0.093, 0.2? (a) 0.134 (b) 0.23 (c) 0.093 (d) 0.2
  33. 33.5.38 + 6.1 = ? (a) 5.99 (b) 11.38 (c) 11.58 (d) 11.48
  34. 34.5.99 + 1.2 = ? (a) 6.11 (b) 7.29 (c) 7.19 (d) 7.09
  35. 35.7.25 + 7.7 = ? (a) 8.02 (b) 14.95 (c) 14.85 (d) 15.05
  36. 36.What is the value of the digit 4 in 54.217? (a) 4 (b) 40 (c) 0.04 (d) 0.4
  37. 37.What is the value of the digit 2 in 27.964? (a) 2 (b) 20 (c) 0.02 (d) 0.2
  38. 38.What is the value of the digit 1 in 13.759? (a) 0.1 (b) 0.01 (c) 1 (d) 10
  39. 39.Which is the smallest: 0.72, 0.056, 0.628, 0.7? (a) 0.72 (b) 0.056 (c) 0.628 (d) 0.7
  40. 40.Which is the smallest: 0.184, 0.2, 0.045, 0.23? (a) 0.184 (b) 0.2 (c) 0.045 (d) 0.23

Answer key

  1. 0.56
  2. 0.038
  3. 0.001
  4. 8.18
  5. 8.81
  6. 0.09
  7. 0.091
  8. 0.01
  9. 70
  10. 6.97
  11. 0.095
  12. 9
  13. 6
  14. 12.45
  15. 90
  16. 0.001
  17. 5.32
  18. 11.04
  19. 0.24
  20. 0.53
  21. 40
  22. 0.54
  23. 0.001
  24. 12.59
  25. 60
  26. 0.036
  27. 7.68
  28. 0.35
  29. 8.91
  30. 20
  31. 0.008
  32. 0.23
  33. 11.48
  34. 7.19
  35. 14.95
  36. 4
  37. 20
  38. 10
  39. 0.056
  40. 0.045

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