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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 820 · 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 2 in 13.692? (a) 0.2 (b) 0.002 (c) 2 (d) 0.02
  2. 2.5.42 + 1.5 = ? (a) 7.02 (b) 5.57 (c) 6.92 (d) 6.82
  3. 3.Which is the smallest: 0.211, 0.068, 0.3, 0.35? (a) 0.211 (b) 0.068 (c) 0.3 (d) 0.35
  4. 4.9.57 + 4.4 = ? (a) 14.07 (b) 13.97 (c) 10.01 (d) 13.87
  5. 5.1.25 + 3.1 = ? (a) 1.56 (b) 4.25 (c) 4.45 (d) 4.35
  6. 6.Which is the smallest: 0.593, 0.6, 0.059, 0.68? (a) 0.593 (b) 0.6 (c) 0.059 (d) 0.68
  7. 7.What is the value of the digit 1 in 78.192? (a) 0.1 (b) 1 (c) 0.001 (d) 0.01
  8. 8.3.71 + 6.8 = ? (a) 10.51 (b) 10.61 (c) 4.39 (d) 10.41
  9. 9.Which is the greatest: 0.374, 0.091, 0.4, 0.43? (a) 0.374 (b) 0.091 (c) 0.4 (d) 0.43
  10. 10.Which is the smallest: 0.098, 0.3, 0.262, 0.36? (a) 0.098 (b) 0.3 (c) 0.262 (d) 0.36
  11. 11.Which is the greatest: 0.021, 0.6, 0.546, 0.68? (a) 0.021 (b) 0.6 (c) 0.546 (d) 0.68
  12. 12.What is the value of the digit 8 in 13.982? (a) 8 (b) 0.8 (c) 0.08 (d) 0.008
  13. 13.7.06 + 9.3 = ? (a) 7.99 (b) 16.46 (c) 16.26 (d) 16.36
  14. 14.What is the value of the digit 3 in 98.351? (a) 0.03 (b) 3 (c) 0.3 (d) 0.003
  15. 15.What is the value of the digit 4 in 14.385? (a) 40 (b) 4 (c) 0.04 (d) 0.4
  16. 16.Which is the greatest: 0.421, 0.5, 0.095, 0.56? (a) 0.421 (b) 0.5 (c) 0.095 (d) 0.56
  17. 17.1.01 + 4.9 = ? (a) 1.5 (b) 6.01 (c) 5.91 (d) 5.81
  18. 18.4.17 + 2.1 = ? (a) 6.37 (b) 6.17 (c) 6.27 (d) 4.38
  19. 19.What is the value of the digit 6 in 18.764? (a) 6 (b) 0.6 (c) 0.06 (d) 0.006
  20. 20.7.01 + 2.7 = ? (a) 9.71 (b) 7.28 (c) 9.61 (d) 9.81
  21. 21.What is the value of the digit 1 in 19.243? (a) 0.1 (b) 1 (c) 0.01 (d) 10
  22. 22.What is the value of the digit 4 in 56.748? (a) 4 (b) 0.4 (c) 0.04 (d) 0.004
  23. 23.1.11 + 3.3 = ? (a) 4.41 (b) 1.44 (c) 4.31 (d) 4.51
  24. 24.2.91 + 5.4 = ? (a) 8.41 (b) 8.21 (c) 8.31 (d) 3.45
  25. 25.What is the value of the digit 2 in 92.175? (a) 20 (b) 0.02 (c) 2 (d) 0.2
  26. 26.Which is the greatest: 0.77, 0.7, 0.071, 0.631? (a) 0.77 (b) 0.7 (c) 0.071 (d) 0.631
  27. 27.2.03 + 9.1 = ? (a) 2.94 (b) 11.03 (c) 11.13 (d) 11.23
  28. 28.Which is the smallest: 0.715, 0.085, 0.89, 0.8? (a) 0.715 (b) 0.085 (c) 0.89 (d) 0.8
  29. 29.5.92 + 5.5 = ? (a) 11.52 (b) 11.42 (c) 6.47 (d) 11.32
  30. 30.Which is the smallest: 0.065, 0.7, 0.75, 0.646? (a) 0.065 (b) 0.7 (c) 0.75 (d) 0.646
  31. 31.1.44 + 2.2 = ? (a) 3.74 (b) 1.66 (c) 3.54 (d) 3.64
  32. 32.What is the value of the digit 1 in 54.917? (a) 0.01 (b) 0.1 (c) 1 (d) 0.001
  33. 33.1.34 + 8.4 = ? (a) 9.84 (b) 9.74 (c) 2.18 (d) 9.64
  34. 34.What is the value of the digit 2 in 68.512? (a) 2 (b) 0.2 (c) 0.02 (d) 0.002
  35. 35.Which is the greatest: 0.25, 0.2, 0.143, 0.093? (a) 0.25 (b) 0.2 (c) 0.143 (d) 0.093
  36. 36.Which is the smallest: 0.8, 0.022, 0.82, 0.799? (a) 0.8 (b) 0.022 (c) 0.82 (d) 0.799
  37. 37.What is the value of the digit 8 in 56.198? (a) 8 (b) 0.08 (c) 0.8 (d) 0.008
  38. 38.3.11 + 5.8 = ? (a) 9.01 (b) 8.91 (c) 8.81 (d) 3.69
  39. 39.Which is the smallest: 0.029, 0.2, 0.118, 0.25? (a) 0.029 (b) 0.2 (c) 0.118 (d) 0.25
  40. 40.What is the value of the digit 2 in 93.241? (a) 0.002 (b) 0.02 (c) 0.2 (d) 2

Answer key

  1. 0.002
  2. 6.92
  3. 0.068
  4. 13.97
  5. 4.35
  6. 0.059
  7. 0.1
  8. 10.51
  9. 0.43
  10. 0.098
  11. 0.68
  12. 0.08
  13. 16.36
  14. 0.3
  15. 4
  16. 0.56
  17. 5.91
  18. 6.27
  19. 0.06
  20. 9.71
  21. 10
  22. 0.04
  23. 4.41
  24. 8.31
  25. 2
  26. 0.77
  27. 11.13
  28. 0.085
  29. 11.42
  30. 0.065
  31. 3.64
  32. 0.01
  33. 9.74
  34. 0.002
  35. 0.25
  36. 0.022
  37. 0.008
  38. 8.91
  39. 0.029
  40. 0.2

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