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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 957 · 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, 0.088, 0.788, 0.8? (a) 0.84 (b) 0.088 (c) 0.788 (d) 0.8
  2. 2.What is the value of the digit 9 in 41.895? (a) 0.9 (b) 0.09 (c) 0.009 (d) 9
  3. 3.Which is the greatest: 0.436, 0.094, 0.54, 0.5? (a) 0.436 (b) 0.094 (c) 0.54 (d) 0.5
  4. 4.1.72 + 8.1 = ? (a) 9.72 (b) 2.53 (c) 9.92 (d) 9.82
  5. 5.2.62 + 1.5 = ? (a) 2.77 (b) 4.22 (c) 4.02 (d) 4.12
  6. 6.3.46 + 9.1 = ? (a) 12.66 (b) 12.46 (c) 4.37 (d) 12.56
  7. 7.What is the value of the digit 2 in 12.854? (a) 20 (b) 2 (c) 0.2 (d) 0.02
  8. 8.8.21 + 2.6 = ? (a) 10.71 (b) 10.91 (c) 10.81 (d) 8.47
  9. 9.8.32 + 8.2 = ? (a) 16.62 (b) 16.42 (c) 16.52 (d) 9.14
  10. 10.Which is the smallest: 0.049, 0.5, 0.418, 0.51? (a) 0.049 (b) 0.5 (c) 0.418 (d) 0.51
  11. 11.1.53 + 2.9 = ? (a) 4.53 (b) 4.33 (c) 1.82 (d) 4.43
  12. 12.Which is the greatest: 0.723, 0.85, 0.086, 0.8? (a) 0.723 (b) 0.85 (c) 0.086 (d) 0.8
  13. 13.What is the value of the digit 6 in 12.965? (a) 6 (b) 0.6 (c) 0.006 (d) 0.06
  14. 14.3.14 + 2.5 = ? (a) 5.74 (b) 5.54 (c) 5.64 (d) 3.39
  15. 15.Which is the greatest: 0.3, 0.38, 0.062, 0.249? (a) 0.3 (b) 0.38 (c) 0.062 (d) 0.249
  16. 16.3.75 + 9.3 = ? (a) 13.15 (b) 12.95 (c) 4.68 (d) 13.05
  17. 17.9.69 + 5.5 = ? (a) 15.19 (b) 15.09 (c) 10.24 (d) 15.29
  18. 18.Which is the greatest: 0.048, 0.4, 0.41, 0.331? (a) 0.048 (b) 0.4 (c) 0.41 (d) 0.331
  19. 19.What is the value of the digit 1 in 51.932? (a) 1 (b) 10 (c) 0.1 (d) 0.01
  20. 20.Which is the greatest: 0.36, 0.031, 0.3, 0.223? (a) 0.36 (b) 0.031 (c) 0.3 (d) 0.223
  21. 21.2.11 + 2.3 = ? (a) 2.34 (b) 4.31 (c) 4.51 (d) 4.41
  22. 22.5.95 + 7.9 = ? (a) 6.74 (b) 13.75 (c) 13.95 (d) 13.85
  23. 23.What is the value of the digit 8 in 82.791? (a) 0.08 (b) 80 (c) 0.8 (d) 8
  24. 24.What is the value of the digit 9 in 17.986? (a) 9 (b) 0.9 (c) 0.09 (d) 0.009
  25. 25.What is the value of the digit 9 in 63.759? (a) 0.9 (b) 9 (c) 0.009 (d) 0.09
  26. 26.What is the value of the digit 5 in 51.726? (a) 0.05 (b) 5 (c) 50 (d) 0.5
  27. 27.Which is the smallest: 0.047, 0.469, 0.57, 0.5? (a) 0.047 (b) 0.469 (c) 0.57 (d) 0.5
  28. 28.What is the value of the digit 2 in 24.675? (a) 20 (b) 2 (c) 0.02 (d) 0.2
  29. 29.8.74 + 4.1 = ? (a) 12.94 (b) 12.84 (c) 12.74 (d) 9.15
  30. 30.What is the value of the digit 2 in 26.317? (a) 20 (b) 2 (c) 0.02 (d) 0.2
  31. 31.2.33 + 1.6 = ? (a) 4.03 (b) 2.49 (c) 3.83 (d) 3.93
  32. 32.What is the value of the digit 3 in 71.539? (a) 3 (b) 0.003 (c) 0.3 (d) 0.03
  33. 33.What is the value of the digit 2 in 24.718? (a) 0.02 (b) 2 (c) 20 (d) 0.2
  34. 34.What is the value of the digit 5 in 65.381? (a) 0.5 (b) 0.05 (c) 5 (d) 50
  35. 35.7.93 + 9.9 = ? (a) 17.93 (b) 8.92 (c) 17.83 (d) 17.73
  36. 36.What is the value of the digit 6 in 86.574? (a) 0.6 (b) 0.06 (c) 60 (d) 6
  37. 37.What is the value of the digit 4 in 54.871? (a) 0.4 (b) 4 (c) 0.04 (d) 40
  38. 38.What is the value of the digit 1 in 31.245? (a) 10 (b) 1 (c) 0.01 (d) 0.1
  39. 39.What is the value of the digit 6 in 95.146? (a) 0.6 (b) 0.006 (c) 6 (d) 0.06
  40. 40.Which is the smallest: 0.75, 0.7, 0.016, 0.611? (a) 0.75 (b) 0.7 (c) 0.016 (d) 0.611

Answer key

  1. 0.84
  2. 0.09
  3. 0.54
  4. 9.82
  5. 4.12
  6. 12.56
  7. 2
  8. 10.81
  9. 16.52
  10. 0.049
  11. 4.43
  12. 0.85
  13. 0.06
  14. 5.64
  15. 0.38
  16. 13.05
  17. 15.19
  18. 0.41
  19. 1
  20. 0.36
  21. 4.41
  22. 13.85
  23. 80
  24. 0.9
  25. 0.009
  26. 50
  27. 0.047
  28. 20
  29. 12.84
  30. 20
  31. 3.93
  32. 0.03
  33. 20
  34. 5
  35. 17.83
  36. 6
  37. 4
  38. 1
  39. 0.006
  40. 0.016

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