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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 528 · 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 65.187? (a) 60 (b) 0.06 (c) 0.6 (d) 6
  2. 2.What is the value of the digit 7 in 72.869? (a) 7 (b) 0.7 (c) 70 (d) 0.07
  3. 3.What is the value of the digit 1 in 56.219? (a) 0.1 (b) 1 (c) 0.001 (d) 0.01
  4. 4.What is the value of the digit 1 in 61.824? (a) 0.1 (b) 1 (c) 10 (d) 0.01
  5. 5.What is the value of the digit 9 in 45.129? (a) 9 (b) 0.009 (c) 0.09 (d) 0.9
  6. 6.Which is the greatest: 0.027, 0.29, 0.2, 0.145? (a) 0.027 (b) 0.29 (c) 0.2 (d) 0.145
  7. 7.What is the value of the digit 4 in 41.576? (a) 40 (b) 4 (c) 0.04 (d) 0.4
  8. 8.Which is the smallest: 0.3, 0.246, 0.067, 0.33? (a) 0.3 (b) 0.246 (c) 0.067 (d) 0.33
  9. 9.Which is the greatest: 0.184, 0.29, 0.017, 0.2? (a) 0.184 (b) 0.29 (c) 0.017 (d) 0.2
  10. 10.Which is the smallest: 0.22, 0.032, 0.121, 0.2? (a) 0.22 (b) 0.032 (c) 0.121 (d) 0.2
  11. 11.Which is the smallest: 0.4, 0.077, 0.357, 0.41? (a) 0.4 (b) 0.077 (c) 0.357 (d) 0.41
  12. 12.What is the value of the digit 4 in 64.925? (a) 40 (b) 0.04 (c) 0.4 (d) 4
  13. 13.What is the value of the digit 2 in 32.648? (a) 20 (b) 2 (c) 0.2 (d) 0.02
  14. 14.What is the value of the digit 9 in 37.981? (a) 0.09 (b) 9 (c) 0.009 (d) 0.9
  15. 15.What is the value of the digit 9 in 14.359? (a) 0.009 (b) 0.9 (c) 9 (d) 0.09
  16. 16.Which is the smallest: 0.57, 0.5, 0.024, 0.466? (a) 0.57 (b) 0.5 (c) 0.024 (d) 0.466
  17. 17.3.61 + 2.7 = ? (a) 6.21 (b) 3.88 (c) 6.41 (d) 6.31
  18. 18.What is the value of the digit 3 in 39.472? (a) 3 (b) 0.03 (c) 30 (d) 0.3
  19. 19.1.48 + 8.1 = ? (a) 9.68 (b) 2.29 (c) 9.48 (d) 9.58
  20. 20.1.29 + 9.6 = ? (a) 2.25 (b) 10.79 (c) 10.89 (d) 10.99
  21. 21.What is the value of the digit 1 in 31.985? (a) 0.1 (b) 1 (c) 0.01 (d) 10
  22. 22.What is the value of the digit 7 in 27.398? (a) 0.07 (b) 70 (c) 0.7 (d) 7
  23. 23.3.08 + 2.4 = ? (a) 5.38 (b) 5.48 (c) 3.32 (d) 5.58
  24. 24.What is the value of the digit 6 in 18.236? (a) 0.006 (b) 0.06 (c) 6 (d) 0.6
  25. 25.2.41 + 1.3 = ? (a) 3.61 (b) 3.81 (c) 2.54 (d) 3.71
  26. 26.Which is the smallest: 0.052, 0.77, 0.664, 0.7? (a) 0.052 (b) 0.77 (c) 0.664 (d) 0.7
  27. 27.8.74 + 9.2 = ? (a) 18.04 (b) 9.66 (c) 17.94 (d) 17.84
  28. 28.Which is the smallest: 0.328, 0.095, 0.47, 0.4? (a) 0.328 (b) 0.095 (c) 0.47 (d) 0.4
  29. 29.What is the value of the digit 5 in 36.215? (a) 0.5 (b) 0.05 (c) 0.005 (d) 5
  30. 30.Which is the greatest: 0.059, 0.8, 0.86, 0.774? (a) 0.059 (b) 0.8 (c) 0.86 (d) 0.774
  31. 31.What is the value of the digit 2 in 27.169? (a) 20 (b) 0.2 (c) 2 (d) 0.02
  32. 32.4.25 + 1.4 = ? (a) 5.65 (b) 5.55 (c) 4.39 (d) 5.75
  33. 33.What is the value of the digit 9 in 61.489? (a) 0.009 (b) 0.9 (c) 9 (d) 0.09
  34. 34.What is the value of the digit 7 in 47.861? (a) 0.07 (b) 0.7 (c) 7 (d) 70
  35. 35.6.36 + 1.6 = ? (a) 6.52 (b) 7.96 (c) 8.06 (d) 7.86
  36. 36.Which is the smallest: 0.295, 0.3, 0.39, 0.071? (a) 0.295 (b) 0.3 (c) 0.39 (d) 0.071
  37. 37.Which is the greatest: 0.068, 0.85, 0.8, 0.775? (a) 0.068 (b) 0.85 (c) 0.8 (d) 0.775
  38. 38.5.03 + 5.8 = ? (a) 10.73 (b) 10.83 (c) 5.61 (d) 10.93
  39. 39.9.43 + 7.5 = ? (a) 16.83 (b) 17.03 (c) 16.93 (d) 10.18
  40. 40.What is the value of the digit 3 in 47.315? (a) 0.003 (b) 0.03 (c) 0.3 (d) 3

Answer key

  1. 60
  2. 70
  3. 0.01
  4. 1
  5. 0.009
  6. 0.29
  7. 40
  8. 0.067
  9. 0.29
  10. 0.032
  11. 0.077
  12. 4
  13. 2
  14. 0.9
  15. 0.009
  16. 0.024
  17. 6.31
  18. 30
  19. 9.58
  20. 10.89
  21. 1
  22. 7
  23. 5.48
  24. 0.006
  25. 3.71
  26. 0.052
  27. 17.94
  28. 0.095
  29. 0.005
  30. 0.86
  31. 20
  32. 5.65
  33. 0.009
  34. 7
  35. 7.96
  36. 0.071
  37. 0.85
  38. 10.83
  39. 16.93
  40. 0.3

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