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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 286 · 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: 0.293, 0.34, 0.3, 0.034? (a) 0.293 (b) 0.34 (c) 0.3 (d) 0.034
  2. 2.Which is the smallest: 0.038, 0.6, 0.68, 0.567? (a) 0.038 (b) 0.6 (c) 0.68 (d) 0.567
  3. 3.What is the value of the digit 8 in 91.583? (a) 0.8 (b) 0.08 (c) 0.008 (d) 8
  4. 4.1.36 + 5.7 = ? (a) 7.06 (b) 1.93 (c) 6.96 (d) 7.16
  5. 5.5.71 + 1.4 = ? (a) 7.21 (b) 5.85 (c) 7.01 (d) 7.11
  6. 6.3.27 + 5.1 = ? (a) 8.37 (b) 8.47 (c) 8.27 (d) 3.78
  7. 7.4.02 + 4.7 = ? (a) 8.62 (b) 8.82 (c) 4.49 (d) 8.72
  8. 8.Which is the smallest: 0.026, 0.3, 0.39, 0.294? (a) 0.026 (b) 0.3 (c) 0.39 (d) 0.294
  9. 9.What is the value of the digit 6 in 46.287? (a) 0.6 (b) 0.06 (c) 60 (d) 6
  10. 10.3.54 + 1.3 = ? (a) 3.67 (b) 4.74 (c) 4.84 (d) 4.94
  11. 11.Which is the greatest: 0.072, 0.52, 0.474, 0.5? (a) 0.072 (b) 0.52 (c) 0.474 (d) 0.5
  12. 12.Which is the greatest: 0.059, 0.161, 0.25, 0.2? (a) 0.059 (b) 0.161 (c) 0.25 (d) 0.2
  13. 13.What is the value of the digit 1 in 18.762? (a) 1 (b) 0.01 (c) 10 (d) 0.1
  14. 14.What is the value of the digit 2 in 23.791? (a) 20 (b) 2 (c) 0.2 (d) 0.02
  15. 15.6.92 + 2.3 = ? (a) 9.32 (b) 7.15 (c) 9.12 (d) 9.22
  16. 16.Which is the smallest: 0.56, 0.5, 0.041, 0.442? (a) 0.56 (b) 0.5 (c) 0.041 (d) 0.442
  17. 17.Which is the smallest: 0.6, 0.67, 0.524, 0.015? (a) 0.6 (b) 0.67 (c) 0.524 (d) 0.015
  18. 18.Which is the smallest: 0.72, 0.7, 0.092, 0.641? (a) 0.72 (b) 0.7 (c) 0.092 (d) 0.641
  19. 19.8.89 + 8.4 = ? (a) 9.73 (b) 17.39 (c) 17.29 (d) 17.19
  20. 20.Which is the greatest: 0.51, 0.445, 0.5, 0.024? (a) 0.51 (b) 0.445 (c) 0.5 (d) 0.024
  21. 21.9.91 + 3.4 = ? (a) 10.25 (b) 13.21 (c) 13.31 (d) 13.41
  22. 22.Which is the greatest: 0.015, 0.88, 0.8, 0.728? (a) 0.015 (b) 0.88 (c) 0.8 (d) 0.728
  23. 23.What is the value of the digit 8 in 58.172? (a) 0.8 (b) 80 (c) 0.08 (d) 8
  24. 24.1.72 + 5.7 = ? (a) 7.32 (b) 7.52 (c) 2.29 (d) 7.42
  25. 25.What is the value of the digit 3 in 13.467? (a) 0.03 (b) 30 (c) 3 (d) 0.3
  26. 26.Which is the smallest: 0.032, 0.3, 0.246, 0.35? (a) 0.032 (b) 0.3 (c) 0.246 (d) 0.35
  27. 27.4.46 + 3.4 = ? (a) 7.76 (b) 7.96 (c) 4.8 (d) 7.86
  28. 28.Which is the greatest: 0.3, 0.061, 0.224, 0.38? (a) 0.3 (b) 0.061 (c) 0.224 (d) 0.38
  29. 29.Which is the greatest: 0.62, 0.6, 0.085, 0.524? (a) 0.62 (b) 0.6 (c) 0.085 (d) 0.524
  30. 30.What is the value of the digit 9 in 45.219? (a) 0.009 (b) 0.9 (c) 9 (d) 0.09
  31. 31.Which is the smallest: 0.098, 0.59, 0.5, 0.418? (a) 0.098 (b) 0.59 (c) 0.5 (d) 0.418
  32. 32.Which is the greatest: 0.33, 0.3, 0.022, 0.255? (a) 0.33 (b) 0.3 (c) 0.022 (d) 0.255
  33. 33.What is the value of the digit 5 in 78.542? (a) 0.005 (b) 0.05 (c) 5 (d) 0.5
  34. 34.Which is the smallest: 0.712, 0.8, 0.083, 0.87? (a) 0.712 (b) 0.8 (c) 0.083 (d) 0.87
  35. 35.3.69 + 5.6 = ? (a) 9.39 (b) 9.29 (c) 4.25 (d) 9.19
  36. 36.What is the value of the digit 1 in 37.162? (a) 0.1 (b) 1 (c) 0.01 (d) 0.001
  37. 37.What is the value of the digit 2 in 69.215? (a) 2 (b) 0.002 (c) 0.02 (d) 0.2
  38. 38.Which is the greatest: 0.737, 0.8, 0.046, 0.83? (a) 0.737 (b) 0.8 (c) 0.046 (d) 0.83
  39. 39.What is the value of the digit 1 in 95.213? (a) 1 (b) 0.01 (c) 0.1 (d) 0.001
  40. 40.1.85 + 8.1 = ? (a) 10.05 (b) 9.85 (c) 2.66 (d) 9.95

Answer key

  1. 0.034
  2. 0.038
  3. 0.08
  4. 7.06
  5. 7.11
  6. 8.37
  7. 8.72
  8. 0.026
  9. 6
  10. 4.84
  11. 0.52
  12. 0.25
  13. 10
  14. 20
  15. 9.22
  16. 0.041
  17. 0.015
  18. 0.092
  19. 17.29
  20. 0.51
  21. 13.31
  22. 0.88
  23. 8
  24. 7.42
  25. 3
  26. 0.032
  27. 7.86
  28. 0.38
  29. 0.62
  30. 0.009
  31. 0.098
  32. 0.33
  33. 0.5
  34. 0.083
  35. 9.29
  36. 0.1
  37. 0.2
  38. 0.83
  39. 0.01
  40. 9.95

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