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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 444 · 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 5 in 41.275? (a) 5 (b) 0.5 (c) 0.005 (d) 0.05
  2. 2.Which is the greatest: 0.71, 0.655, 0.095, 0.7? (a) 0.71 (b) 0.655 (c) 0.095 (d) 0.7
  3. 3.4.43 + 5.3 = ? (a) 4.96 (b) 9.83 (c) 9.73 (d) 9.63
  4. 4.What is the value of the digit 5 in 75.892? (a) 5 (b) 50 (c) 0.5 (d) 0.05
  5. 5.Which is the smallest: 0.72, 0.7, 0.032, 0.685? (a) 0.72 (b) 0.7 (c) 0.032 (d) 0.685
  6. 6.What is the value of the digit 3 in 63.952? (a) 30 (b) 0.03 (c) 3 (d) 0.3
  7. 7.Which is the greatest: 0.2, 0.112, 0.053, 0.24? (a) 0.2 (b) 0.112 (c) 0.053 (d) 0.24
  8. 8.9.65 + 3.4 = ? (a) 13.15 (b) 12.95 (c) 9.99 (d) 13.05
  9. 9.2.07 + 4.1 = ? (a) 6.17 (b) 6.27 (c) 6.07 (d) 2.48
  10. 10.Which is the greatest: 0.21, 0.119, 0.083, 0.2? (a) 0.21 (b) 0.119 (c) 0.083 (d) 0.2
  11. 11.What is the value of the digit 5 in 58.293? (a) 0.5 (b) 0.05 (c) 5 (d) 50
  12. 12.Which is the greatest: 0.054, 0.618, 0.7, 0.78? (a) 0.054 (b) 0.618 (c) 0.7 (d) 0.78
  13. 13.9.81 + 4.4 = ? (a) 14.21 (b) 14.31 (c) 10.25 (d) 14.11
  14. 14.Which is the greatest: 0.64, 0.021, 0.529, 0.6? (a) 0.64 (b) 0.021 (c) 0.529 (d) 0.6
  15. 15.What is the value of the digit 4 in 51.234? (a) 4 (b) 0.04 (c) 0.004 (d) 0.4
  16. 16.1.02 + 6.6 = ? (a) 7.52 (b) 7.62 (c) 1.68 (d) 7.72
  17. 17.What is the value of the digit 9 in 49.761? (a) 90 (b) 0.09 (c) 9 (d) 0.9
  18. 18.Which is the smallest: 0.41, 0.356, 0.017, 0.4? (a) 0.41 (b) 0.356 (c) 0.017 (d) 0.4
  19. 19.Which is the smallest: 0.025, 0.8, 0.774, 0.84? (a) 0.025 (b) 0.8 (c) 0.774 (d) 0.84
  20. 20.8.14 + 6.1 = ? (a) 14.14 (b) 14.24 (c) 8.75 (d) 14.34
  21. 21.What is the value of the digit 5 in 25.136? (a) 50 (b) 5 (c) 0.5 (d) 0.05
  22. 22.What is the value of the digit 3 in 23.579? (a) 0.03 (b) 3 (c) 30 (d) 0.3
  23. 23.Which is the smallest: 0.098, 0.74, 0.617, 0.7? (a) 0.098 (b) 0.74 (c) 0.617 (d) 0.7
  24. 24.8.86 + 7.4 = ? (a) 9.6 (b) 16.16 (c) 16.26 (d) 16.36
  25. 25.What is the value of the digit 1 in 19.874? (a) 1 (b) 0.01 (c) 10 (d) 0.1
  26. 26.Which is the greatest: 0.23, 0.087, 0.2, 0.165? (a) 0.23 (b) 0.087 (c) 0.2 (d) 0.165
  27. 27.6.58 + 4.1 = ? (a) 10.68 (b) 10.58 (c) 6.99 (d) 10.78
  28. 28.Which is the greatest: 0.082, 0.646, 0.7, 0.79? (a) 0.082 (b) 0.646 (c) 0.7 (d) 0.79
  29. 29.What is the value of the digit 1 in 14.283? (a) 10 (b) 1 (c) 0.01 (d) 0.1
  30. 30.7.68 + 2.5 = ? (a) 10.28 (b) 10.18 (c) 7.93 (d) 10.08
  31. 31.Which is the smallest: 0.232, 0.064, 0.31, 0.3? (a) 0.232 (b) 0.064 (c) 0.31 (d) 0.3
  32. 32.What is the value of the digit 5 in 59.864? (a) 0.5 (b) 50 (c) 0.05 (d) 5
  33. 33.7.54 + 7.9 = ? (a) 15.44 (b) 15.34 (c) 8.33 (d) 15.54
  34. 34.Which is the smallest: 0.2, 0.25, 0.019, 0.127? (a) 0.2 (b) 0.25 (c) 0.019 (d) 0.127
  35. 35.Which is the smallest: 0.078, 0.8, 0.737, 0.83? (a) 0.078 (b) 0.8 (c) 0.737 (d) 0.83
  36. 36.What is the value of the digit 3 in 57.328? (a) 3 (b) 0.03 (c) 0.003 (d) 0.3
  37. 37.What is the value of the digit 8 in 82.746? (a) 8 (b) 0.08 (c) 0.8 (d) 80
  38. 38.2.92 + 2.4 = ? (a) 5.22 (b) 3.16 (c) 5.32 (d) 5.42
  39. 39.Which is the smallest: 0.043, 0.62, 0.6, 0.551? (a) 0.043 (b) 0.62 (c) 0.6 (d) 0.551
  40. 40.9.37 + 2.6 = ? (a) 11.97 (b) 9.63 (c) 11.87 (d) 12.07

Answer key

  1. 0.005
  2. 0.71
  3. 9.73
  4. 5
  5. 0.032
  6. 3
  7. 0.24
  8. 13.05
  9. 6.17
  10. 0.21
  11. 50
  12. 0.78
  13. 14.21
  14. 0.64
  15. 0.004
  16. 7.62
  17. 9
  18. 0.017
  19. 0.025
  20. 14.24
  21. 5
  22. 3
  23. 0.098
  24. 16.26
  25. 10
  26. 0.23
  27. 10.68
  28. 0.79
  29. 10
  30. 10.18
  31. 0.064
  32. 50
  33. 15.44
  34. 0.019
  35. 0.078
  36. 0.3
  37. 80
  38. 5.32
  39. 0.043
  40. 11.97

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