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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 269 · 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 6 in 93.167? (a) 6 (b) 0.06 (c) 0.006 (d) 0.6
  2. 2.Which is the greatest: 0.032, 0.239, 0.32, 0.3? (a) 0.032 (b) 0.239 (c) 0.32 (d) 0.3
  3. 3.6.81 + 1.5 = ? (a) 8.41 (b) 6.96 (c) 8.21 (d) 8.31
  4. 4.What is the value of the digit 9 in 67.915? (a) 0.09 (b) 9 (c) 0.009 (d) 0.9
  5. 5.What is the value of the digit 3 in 52.863? (a) 3 (b) 0.03 (c) 0.003 (d) 0.3
  6. 6.What is the value of the digit 3 in 81.352? (a) 0.3 (b) 3 (c) 0.03 (d) 0.003
  7. 7.What is the value of the digit 7 in 28.734? (a) 7 (b) 0.07 (c) 0.007 (d) 0.7
  8. 8.Which is the greatest: 0.367, 0.44, 0.017, 0.4? (a) 0.367 (b) 0.44 (c) 0.017 (d) 0.4
  9. 9.8.86 + 3.8 = ? (a) 12.56 (b) 9.24 (c) 12.76 (d) 12.66
  10. 10.Which is the smallest: 0.3, 0.043, 0.296, 0.36? (a) 0.3 (b) 0.043 (c) 0.296 (d) 0.36
  11. 11.Which is the greatest: 0.2, 0.166, 0.23, 0.093? (a) 0.2 (b) 0.166 (c) 0.23 (d) 0.093
  12. 12.What is the value of the digit 6 in 65.279? (a) 0.6 (b) 0.06 (c) 6 (d) 60
  13. 13.What is the value of the digit 1 in 65.814? (a) 1 (b) 0.01 (c) 0.1 (d) 0.001
  14. 14.What is the value of the digit 9 in 71.925? (a) 9 (b) 0.009 (c) 0.09 (d) 0.9
  15. 15.What is the value of the digit 5 in 31.529? (a) 0.005 (b) 0.5 (c) 0.05 (d) 5
  16. 16.Which is the greatest: 0.71, 0.017, 0.667, 0.7? (a) 0.71 (b) 0.017 (c) 0.667 (d) 0.7
  17. 17.2.35 + 8.2 = ? (a) 3.17 (b) 10.65 (c) 10.45 (d) 10.55
  18. 18.What is the value of the digit 3 in 35.487? (a) 0.3 (b) 3 (c) 30 (d) 0.03
  19. 19.2.28 + 8.7 = ? (a) 10.88 (b) 3.15 (c) 11.08 (d) 10.98
  20. 20.Which is the smallest: 0.88, 0.751, 0.019, 0.8? (a) 0.88 (b) 0.751 (c) 0.019 (d) 0.8
  21. 21.What is the value of the digit 8 in 68.294? (a) 80 (b) 0.8 (c) 8 (d) 0.08
  22. 22.Which is the greatest: 0.512, 0.029, 0.6, 0.61? (a) 0.512 (b) 0.029 (c) 0.6 (d) 0.61
  23. 23.What is the value of the digit 7 in 47.196? (a) 0.7 (b) 7 (c) 70 (d) 0.07
  24. 24.Which is the greatest: 0.37, 0.213, 0.057, 0.3? (a) 0.37 (b) 0.213 (c) 0.057 (d) 0.3
  25. 25.5.43 + 7.1 = ? (a) 12.63 (b) 12.43 (c) 6.14 (d) 12.53
  26. 26.2.81 + 5.2 = ? (a) 3.33 (b) 8.01 (c) 7.91 (d) 8.11
  27. 27.Which is the smallest: 0.032, 0.25, 0.145, 0.2? (a) 0.032 (b) 0.25 (c) 0.145 (d) 0.2
  28. 28.1.89 + 1.2 = ? (a) 2.99 (b) 3.09 (c) 3.19 (d) 2.01
  29. 29.Which is the greatest: 0.144, 0.011, 0.2, 0.21? (a) 0.144 (b) 0.011 (c) 0.2 (d) 0.21
  30. 30.What is the value of the digit 6 in 45.672? (a) 0.6 (b) 0.006 (c) 0.06 (d) 6
  31. 31.What is the value of the digit 6 in 54.638? (a) 0.06 (b) 0.6 (c) 6 (d) 0.006
  32. 32.What is the value of the digit 7 in 51.748? (a) 0.7 (b) 0.07 (c) 7 (d) 0.007
  33. 33.2.96 + 5.4 = ? (a) 8.36 (b) 3.5 (c) 8.26 (d) 8.46
  34. 34.Which is the greatest: 0.25, 0.2, 0.027, 0.188? (a) 0.25 (b) 0.2 (c) 0.027 (d) 0.188
  35. 35.1.48 + 3.7 = ? (a) 5.08 (b) 1.85 (c) 5.18 (d) 5.28
  36. 36.7.74 + 6.4 = ? (a) 8.38 (b) 14.14 (c) 14.24 (d) 14.04
  37. 37.Which is the smallest: 0.38, 0.054, 0.275, 0.3? (a) 0.38 (b) 0.054 (c) 0.275 (d) 0.3
  38. 38.6.84 + 6.1 = ? (a) 7.45 (b) 12.94 (c) 12.84 (d) 13.04
  39. 39.Which is the greatest: 0.62, 0.6, 0.022, 0.533? (a) 0.62 (b) 0.6 (c) 0.022 (d) 0.533
  40. 40.What is the value of the digit 4 in 68.974? (a) 4 (b) 0.004 (c) 0.4 (d) 0.04

Answer key

  1. 0.06
  2. 0.32
  3. 8.31
  4. 0.9
  5. 0.003
  6. 0.3
  7. 0.7
  8. 0.44
  9. 12.66
  10. 0.043
  11. 0.23
  12. 60
  13. 0.01
  14. 0.9
  15. 0.5
  16. 0.71
  17. 10.55
  18. 30
  19. 10.98
  20. 0.019
  21. 8
  22. 0.61
  23. 7
  24. 0.37
  25. 12.53
  26. 8.01
  27. 0.032
  28. 3.09
  29. 0.21
  30. 0.6
  31. 0.6
  32. 0.7
  33. 8.36
  34. 0.25
  35. 5.18
  36. 14.14
  37. 0.054
  38. 12.94
  39. 0.62
  40. 0.004

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