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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 294 · 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.Which is the smallest: 0.173, 0.2, 0.029, 0.29? (a) 0.173 (b) 0.2 (c) 0.029 (d) 0.29
  2. 2.Which is the greatest: 0.642, 0.7, 0.71, 0.021? (a) 0.642 (b) 0.7 (c) 0.71 (d) 0.021
  3. 3.What is the value of the digit 2 in 37.821? (a) 0.002 (b) 2 (c) 0.02 (d) 0.2
  4. 4.What is the value of the digit 2 in 24.789? (a) 0.02 (b) 0.2 (c) 2 (d) 20
  5. 5.What is the value of the digit 5 in 65.487? (a) 0.05 (b) 5 (c) 50 (d) 0.5
  6. 6.1.83 + 8.4 = ? (a) 10.13 (b) 10.23 (c) 10.33 (d) 2.67
  7. 7.What is the value of the digit 5 in 63.795? (a) 0.05 (b) 5 (c) 0.5 (d) 0.005
  8. 8.What is the value of the digit 5 in 37.519? (a) 0.005 (b) 5 (c) 0.05 (d) 0.5
  9. 9.5.97 + 3.3 = ? (a) 6.3 (b) 9.37 (c) 9.17 (d) 9.27
  10. 10.5.45 + 7.1 = ? (a) 12.65 (b) 12.55 (c) 12.45 (d) 6.16
  11. 11.Which is the smallest: 0.112, 0.015, 0.26, 0.2? (a) 0.112 (b) 0.015 (c) 0.26 (d) 0.2
  12. 12.4.41 + 2.8 = ? (a) 7.21 (b) 7.11 (c) 4.69 (d) 7.31
  13. 13.4.17 + 3.2 = ? (a) 7.37 (b) 7.27 (c) 4.49 (d) 7.47
  14. 14.Which is the smallest: 0.596, 0.071, 0.62, 0.6? (a) 0.596 (b) 0.071 (c) 0.62 (d) 0.6
  15. 15.Which is the greatest: 0.066, 0.3, 0.252, 0.36? (a) 0.066 (b) 0.3 (c) 0.252 (d) 0.36
  16. 16.Which is the greatest: 0.455, 0.5, 0.081, 0.59? (a) 0.455 (b) 0.5 (c) 0.081 (d) 0.59
  17. 17.What is the value of the digit 1 in 91.672? (a) 0.1 (b) 10 (c) 1 (d) 0.01
  18. 18.7.61 + 2.7 = ? (a) 10.21 (b) 10.31 (c) 7.88 (d) 10.41
  19. 19.What is the value of the digit 9 in 34.895? (a) 0.009 (b) 0.09 (c) 0.9 (d) 9
  20. 20.Which is the greatest: 0.034, 0.6, 0.562, 0.64? (a) 0.034 (b) 0.6 (c) 0.562 (d) 0.64
  21. 21.Which is the greatest: 0.597, 0.6, 0.64, 0.051? (a) 0.597 (b) 0.6 (c) 0.64 (d) 0.051
  22. 22.5.41 + 7.8 = ? (a) 13.21 (b) 13.11 (c) 6.19 (d) 13.31
  23. 23.2.14 + 7.3 = ? (a) 9.44 (b) 9.54 (c) 2.87 (d) 9.34
  24. 24.What is the value of the digit 4 in 96.847? (a) 0.4 (b) 4 (c) 0.04 (d) 0.004
  25. 25.What is the value of the digit 1 in 61.945? (a) 0.01 (b) 10 (c) 1 (d) 0.1
  26. 26.What is the value of the digit 9 in 93.485? (a) 0.09 (b) 0.9 (c) 90 (d) 9
  27. 27.What is the value of the digit 3 in 32.657? (a) 30 (b) 0.03 (c) 3 (d) 0.3
  28. 28.What is the value of the digit 4 in 65.432? (a) 0.4 (b) 0.04 (c) 4 (d) 0.004
  29. 29.What is the value of the digit 7 in 71.546? (a) 70 (b) 0.7 (c) 7 (d) 0.07
  30. 30.8.03 + 8.2 = ? (a) 8.85 (b) 16.23 (c) 16.13 (d) 16.33
  31. 31.What is the value of the digit 2 in 73.258? (a) 0.002 (b) 0.2 (c) 0.02 (d) 2
  32. 32.Which is the smallest: 0.784, 0.032, 0.8, 0.89? (a) 0.784 (b) 0.032 (c) 0.8 (d) 0.89
  33. 33.5.41 + 5.3 = ? (a) 5.94 (b) 10.81 (c) 10.71 (d) 10.61
  34. 34.Which is the greatest: 0.2, 0.173, 0.27, 0.016? (a) 0.2 (b) 0.173 (c) 0.27 (d) 0.016
  35. 35.1.55 + 7.9 = ? (a) 2.34 (b) 9.55 (c) 9.45 (d) 9.35
  36. 36.8.81 + 8.6 = ? (a) 17.51 (b) 17.31 (c) 17.41 (d) 9.67
  37. 37.2.75 + 1.2 = ? (a) 3.95 (b) 3.85 (c) 4.05 (d) 2.87
  38. 38.5.27 + 2.1 = ? (a) 7.47 (b) 7.37 (c) 7.27 (d) 5.48
  39. 39.6.52 + 2.2 = ? (a) 8.62 (b) 8.82 (c) 8.72 (d) 6.74
  40. 40.Which is the smallest: 0.43, 0.338, 0.092, 0.4? (a) 0.43 (b) 0.338 (c) 0.092 (d) 0.4

Answer key

  1. 0.029
  2. 0.71
  3. 0.02
  4. 20
  5. 5
  6. 10.23
  7. 0.005
  8. 0.5
  9. 9.27
  10. 12.55
  11. 0.015
  12. 7.21
  13. 7.37
  14. 0.071
  15. 0.36
  16. 0.59
  17. 1
  18. 10.31
  19. 0.09
  20. 0.64
  21. 0.64
  22. 13.21
  23. 9.44
  24. 0.04
  25. 1
  26. 90
  27. 30
  28. 0.4
  29. 70
  30. 16.23
  31. 0.2
  32. 0.032
  33. 10.71
  34. 0.27
  35. 9.45
  36. 17.41
  37. 3.95
  38. 7.37
  39. 8.72
  40. 0.092

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