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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 482 · 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 4 in 61.745? (a) 0.4 (b) 0.04 (c) 4 (d) 0.004
  2. 2.3.86 + 9.3 = ? (a) 4.79 (b) 13.26 (c) 13.06 (d) 13.16
  3. 3.6.58 + 3.5 = ? (a) 10.18 (b) 10.08 (c) 9.98 (d) 6.93
  4. 4.1.94 + 1.8 = ? (a) 3.84 (b) 3.64 (c) 3.74 (d) 2.12
  5. 5.What is the value of the digit 6 in 69.153? (a) 0.6 (b) 60 (c) 6 (d) 0.06
  6. 6.Which is the smallest: 0.239, 0.3, 0.072, 0.35? (a) 0.239 (b) 0.3 (c) 0.072 (d) 0.35
  7. 7.What is the value of the digit 7 in 46.175? (a) 0.007 (b) 7 (c) 0.7 (d) 0.07
  8. 8.What is the value of the digit 6 in 74.683? (a) 0.006 (b) 0.06 (c) 0.6 (d) 6
  9. 9.1.71 + 5.8 = ? (a) 7.61 (b) 7.41 (c) 2.29 (d) 7.51
  10. 10.3.87 + 6.9 = ? (a) 10.87 (b) 10.77 (c) 4.56 (d) 10.67
  11. 11.Which is the smallest: 0.7, 0.075, 0.644, 0.72? (a) 0.7 (b) 0.075 (c) 0.644 (d) 0.72
  12. 12.What is the value of the digit 9 in 57.896? (a) 0.09 (b) 0.9 (c) 9 (d) 0.009
  13. 13.What is the value of the digit 3 in 61.743? (a) 0.3 (b) 0.03 (c) 0.003 (d) 3
  14. 14.Which is the smallest: 0.58, 0.5, 0.013, 0.411? (a) 0.58 (b) 0.5 (c) 0.013 (d) 0.411
  15. 15.3.58 + 1.7 = ? (a) 5.18 (b) 5.38 (c) 5.28 (d) 3.75
  16. 16.What is the value of the digit 5 in 27.958? (a) 0.5 (b) 5 (c) 0.05 (d) 0.005
  17. 17.7.89 + 7.3 = ? (a) 15.29 (b) 8.62 (c) 15.09 (d) 15.19
  18. 18.Which is the greatest: 0.42, 0.382, 0.4, 0.049? (a) 0.42 (b) 0.382 (c) 0.4 (d) 0.049
  19. 19.What is the value of the digit 6 in 57.163? (a) 0.006 (b) 0.6 (c) 6 (d) 0.06
  20. 20.What is the value of the digit 1 in 13.825? (a) 0.01 (b) 1 (c) 0.1 (d) 10
  21. 21.What is the value of the digit 1 in 75.193? (a) 1 (b) 0.01 (c) 0.001 (d) 0.1
  22. 22.3.59 + 2.7 = ? (a) 6.19 (b) 6.39 (c) 6.29 (d) 3.86
  23. 23.Which is the greatest: 0.7, 0.79, 0.056, 0.684? (a) 0.7 (b) 0.79 (c) 0.056 (d) 0.684
  24. 24.9.11 + 6.2 = ? (a) 15.31 (b) 15.41 (c) 15.21 (d) 9.73
  25. 25.What is the value of the digit 7 in 24.587? (a) 0.007 (b) 7 (c) 0.7 (d) 0.07
  26. 26.What is the value of the digit 9 in 68.925? (a) 0.09 (b) 0.009 (c) 0.9 (d) 9
  27. 27.What is the value of the digit 3 in 91.362? (a) 3 (b) 0.03 (c) 0.3 (d) 0.003
  28. 28.2.91 + 9.3 = ? (a) 12.21 (b) 12.11 (c) 12.31 (d) 3.84
  29. 29.Which is the greatest: 0.23, 0.077, 0.2, 0.186? (a) 0.23 (b) 0.077 (c) 0.2 (d) 0.186
  30. 30.Which is the smallest: 0.2, 0.111, 0.24, 0.053? (a) 0.2 (b) 0.111 (c) 0.24 (d) 0.053
  31. 31.Which is the smallest: 0.77, 0.7, 0.686, 0.029? (a) 0.77 (b) 0.7 (c) 0.686 (d) 0.029
  32. 32.What is the value of the digit 1 in 21.539? (a) 0.01 (b) 1 (c) 0.1 (d) 10
  33. 33.What is the value of the digit 4 in 57.943? (a) 4 (b) 0.4 (c) 0.04 (d) 0.004
  34. 34.Which is the greatest: 0.7, 0.618, 0.012, 0.71? (a) 0.7 (b) 0.618 (c) 0.012 (d) 0.71
  35. 35.2.77 + 5.8 = ? (a) 8.47 (b) 8.57 (c) 3.35 (d) 8.67
  36. 36.5.89 + 3.7 = ? (a) 6.26 (b) 9.59 (c) 9.69 (d) 9.49
  37. 37.5.44 + 3.1 = ? (a) 8.64 (b) 8.44 (c) 5.75 (d) 8.54
  38. 38.Which is the smallest: 0.053, 0.28, 0.2, 0.198? (a) 0.053 (b) 0.28 (c) 0.2 (d) 0.198
  39. 39.What is the value of the digit 1 in 45.719? (a) 0.1 (b) 0.001 (c) 0.01 (d) 1
  40. 40.5.83 + 3.6 = ? (a) 9.33 (b) 9.53 (c) 6.19 (d) 9.43

Answer key

  1. 0.04
  2. 13.16
  3. 10.08
  4. 3.74
  5. 60
  6. 0.072
  7. 0.07
  8. 0.6
  9. 7.51
  10. 10.77
  11. 0.075
  12. 0.09
  13. 0.003
  14. 0.013
  15. 5.28
  16. 0.05
  17. 15.19
  18. 0.42
  19. 0.06
  20. 10
  21. 0.1
  22. 6.29
  23. 0.79
  24. 15.31
  25. 0.007
  26. 0.9
  27. 0.3
  28. 12.21
  29. 0.23
  30. 0.053
  31. 0.029
  32. 1
  33. 0.04
  34. 0.71
  35. 8.57
  36. 9.59
  37. 8.54
  38. 0.053
  39. 0.01
  40. 9.43

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