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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 896 · 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: 0.69, 0.6, 0.529, 0.073? (a) 0.69 (b) 0.6 (c) 0.529 (d) 0.073
  2. 2.Which is the greatest: 0.46, 0.4, 0.348, 0.034? (a) 0.46 (b) 0.4 (c) 0.348 (d) 0.034
  3. 3.Which is the greatest: 0.279, 0.078, 0.3, 0.31? (a) 0.279 (b) 0.078 (c) 0.3 (d) 0.31
  4. 4.1.51 + 5.1 = ? (a) 6.71 (b) 2.02 (c) 6.61 (d) 6.51
  5. 5.5.52 + 7.6 = ? (a) 13.12 (b) 13.02 (c) 13.22 (d) 6.28
  6. 6.4.51 + 2.5 = ? (a) 7.01 (b) 6.91 (c) 7.11 (d) 4.76
  7. 7.1.21 + 2.6 = ? (a) 3.71 (b) 3.91 (c) 3.81 (d) 1.47
  8. 8.What is the value of the digit 7 in 32.847? (a) 0.007 (b) 0.7 (c) 0.07 (d) 7
  9. 9.8.88 + 1.6 = ? (a) 10.48 (b) 10.38 (c) 9.04 (d) 10.58
  10. 10.Which is the smallest: 0.196, 0.27, 0.096, 0.2? (a) 0.196 (b) 0.27 (c) 0.096 (d) 0.2
  11. 11.Which is the smallest: 0.32, 0.232, 0.045, 0.3? (a) 0.32 (b) 0.232 (c) 0.045 (d) 0.3
  12. 12.Which is the greatest: 0.8, 0.772, 0.82, 0.056? (a) 0.8 (b) 0.772 (c) 0.82 (d) 0.056
  13. 13.What is the value of the digit 1 in 25.419? (a) 0.1 (b) 0.01 (c) 1 (d) 0.001
  14. 14.8.46 + 3.6 = ? (a) 8.82 (b) 12.16 (c) 11.96 (d) 12.06
  15. 15.4.16 + 2.8 = ? (a) 6.86 (b) 7.06 (c) 6.96 (d) 4.44
  16. 16.1.99 + 5.6 = ? (a) 7.69 (b) 7.49 (c) 7.59 (d) 2.55
  17. 17.Which is the smallest: 0.2, 0.093, 0.177, 0.24? (a) 0.2 (b) 0.093 (c) 0.177 (d) 0.24
  18. 18.What is the value of the digit 2 in 98.152? (a) 0.002 (b) 0.2 (c) 2 (d) 0.02
  19. 19.6.18 + 5.3 = ? (a) 11.38 (b) 11.48 (c) 6.71 (d) 11.58
  20. 20.1.46 + 2.3 = ? (a) 3.66 (b) 3.86 (c) 1.69 (d) 3.76
  21. 21.What is the value of the digit 3 in 81.593? (a) 3 (b) 0.03 (c) 0.003 (d) 0.3
  22. 22.Which is the greatest: 0.118, 0.083, 0.25, 0.2? (a) 0.118 (b) 0.083 (c) 0.25 (d) 0.2
  23. 23.Which is the smallest: 0.2, 0.28, 0.062, 0.135? (a) 0.2 (b) 0.28 (c) 0.062 (d) 0.135
  24. 24.Which is the smallest: 0.24, 0.155, 0.2, 0.062? (a) 0.24 (b) 0.155 (c) 0.2 (d) 0.062
  25. 25.Which is the smallest: 0.529, 0.6, 0.022, 0.61? (a) 0.529 (b) 0.6 (c) 0.022 (d) 0.61
  26. 26.What is the value of the digit 7 in 32.487? (a) 0.007 (b) 7 (c) 0.07 (d) 0.7
  27. 27.Which is the smallest: 0.071, 0.267, 0.3, 0.34? (a) 0.071 (b) 0.267 (c) 0.3 (d) 0.34
  28. 28.2.78 + 1.7 = ? (a) 4.38 (b) 4.48 (c) 4.58 (d) 2.95
  29. 29.What is the value of the digit 7 in 21.357? (a) 0.007 (b) 7 (c) 0.07 (d) 0.7
  30. 30.What is the value of the digit 9 in 94.681? (a) 9 (b) 0.09 (c) 0.9 (d) 90
  31. 31.2.33 + 8.1 = ? (a) 10.53 (b) 3.14 (c) 10.43 (d) 10.33
  32. 32.What is the value of the digit 5 in 65.947? (a) 50 (b) 0.5 (c) 5 (d) 0.05
  33. 33.3.82 + 7.6 = ? (a) 11.52 (b) 11.42 (c) 11.32 (d) 4.58
  34. 34.4.42 + 1.2 = ? (a) 4.54 (b) 5.52 (c) 5.62 (d) 5.72
  35. 35.Which is the smallest: 0.34, 0.091, 0.3, 0.292? (a) 0.34 (b) 0.091 (c) 0.3 (d) 0.292
  36. 36.What is the value of the digit 1 in 31.748? (a) 0.01 (b) 0.1 (c) 10 (d) 1
  37. 37.6.02 + 8.5 = ? (a) 14.62 (b) 14.42 (c) 6.87 (d) 14.52
  38. 38.Which is the smallest: 0.099, 0.8, 0.781, 0.88? (a) 0.099 (b) 0.8 (c) 0.781 (d) 0.88
  39. 39.Which is the greatest: 0.5, 0.53, 0.439, 0.069? (a) 0.5 (b) 0.53 (c) 0.439 (d) 0.069
  40. 40.What is the value of the digit 8 in 98.743? (a) 0.8 (b) 80 (c) 8 (d) 0.08

Answer key

  1. 0.69
  2. 0.46
  3. 0.31
  4. 6.61
  5. 13.12
  6. 7.01
  7. 3.81
  8. 0.007
  9. 10.48
  10. 0.096
  11. 0.045
  12. 0.82
  13. 0.01
  14. 12.06
  15. 6.96
  16. 7.59
  17. 0.093
  18. 0.002
  19. 11.48
  20. 3.76
  21. 0.003
  22. 0.25
  23. 0.062
  24. 0.062
  25. 0.022
  26. 0.007
  27. 0.071
  28. 4.48
  29. 0.007
  30. 90
  31. 10.43
  32. 5
  33. 11.42
  34. 5.62
  35. 0.091
  36. 1
  37. 14.52
  38. 0.099
  39. 0.53
  40. 8

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