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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 88 · 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 7 in 56.372? (a) 0.07 (b) 0.007 (c) 7 (d) 0.7
  2. 2.Which is the greatest: 0.59, 0.5, 0.417, 0.038? (a) 0.59 (b) 0.5 (c) 0.417 (d) 0.038
  3. 3.Which is the greatest: 0.63, 0.6, 0.016, 0.541? (a) 0.63 (b) 0.6 (c) 0.016 (d) 0.541
  4. 4.What is the value of the digit 2 in 13.259? (a) 2 (b) 0.002 (c) 0.2 (d) 0.02
  5. 5.9.32 + 7.7 = ? (a) 17.12 (b) 10.09 (c) 16.92 (d) 17.02
  6. 6.Which is the greatest: 0.41, 0.043, 0.4, 0.374? (a) 0.41 (b) 0.043 (c) 0.4 (d) 0.374
  7. 7.Which is the smallest: 0.161, 0.2, 0.024, 0.27? (a) 0.161 (b) 0.2 (c) 0.024 (d) 0.27
  8. 8.Which is the greatest: 0.011, 0.594, 0.6, 0.68? (a) 0.011 (b) 0.594 (c) 0.6 (d) 0.68
  9. 9.Which is the smallest: 0.58, 0.014, 0.484, 0.5? (a) 0.58 (b) 0.014 (c) 0.484 (d) 0.5
  10. 10.3.06 + 9.2 = ? (a) 3.98 (b) 12.36 (c) 12.26 (d) 12.16
  11. 11.Which is the smallest: 0.8, 0.041, 0.778, 0.88? (a) 0.8 (b) 0.041 (c) 0.778 (d) 0.88
  12. 12.Which is the greatest: 0.025, 0.37, 0.255, 0.3? (a) 0.025 (b) 0.37 (c) 0.255 (d) 0.3
  13. 13.What is the value of the digit 6 in 46.217? (a) 0.06 (b) 0.6 (c) 6 (d) 60
  14. 14.5.91 + 5.1 = ? (a) 11.01 (b) 6.42 (c) 10.91 (d) 11.11
  15. 15.Which is the greatest: 0.24, 0.015, 0.2, 0.113? (a) 0.24 (b) 0.015 (c) 0.2 (d) 0.113
  16. 16.What is the value of the digit 7 in 12.769? (a) 7 (b) 0.007 (c) 0.07 (d) 0.7
  17. 17.What is the value of the digit 2 in 32.649? (a) 20 (b) 0.2 (c) 0.02 (d) 2
  18. 18.2.28 + 8.2 = ? (a) 10.58 (b) 3.1 (c) 10.38 (d) 10.48
  19. 19.7.93 + 9.5 = ? (a) 8.88 (b) 17.33 (c) 17.53 (d) 17.43
  20. 20.2.08 + 2.7 = ? (a) 2.35 (b) 4.68 (c) 4.88 (d) 4.78
  21. 21.Which is the smallest: 0.041, 0.22, 0.163, 0.2? (a) 0.041 (b) 0.22 (c) 0.163 (d) 0.2
  22. 22.Which is the greatest: 0.082, 0.572, 0.6, 0.65? (a) 0.082 (b) 0.572 (c) 0.6 (d) 0.65
  23. 23.Which is the greatest: 0.011, 0.172, 0.24, 0.2? (a) 0.011 (b) 0.172 (c) 0.24 (d) 0.2
  24. 24.What is the value of the digit 2 in 56.372? (a) 0.002 (b) 0.02 (c) 0.2 (d) 2
  25. 25.What is the value of the digit 4 in 42.183? (a) 40 (b) 0.4 (c) 0.04 (d) 4
  26. 26.Which is the smallest: 0.779, 0.86, 0.057, 0.8? (a) 0.779 (b) 0.86 (c) 0.057 (d) 0.8
  27. 27.1.66 + 6.1 = ? (a) 7.66 (b) 7.86 (c) 2.27 (d) 7.76
  28. 28.9.34 + 1.4 = ? (a) 10.64 (b) 9.48 (c) 10.74 (d) 10.84
  29. 29.Which is the smallest: 0.66, 0.597, 0.089, 0.6? (a) 0.66 (b) 0.597 (c) 0.089 (d) 0.6
  30. 30.6.51 + 4.2 = ? (a) 10.71 (b) 10.81 (c) 6.93 (d) 10.61
  31. 31.5.06 + 6.8 = ? (a) 11.76 (b) 11.96 (c) 5.74 (d) 11.86
  32. 32.What is the value of the digit 9 in 81.952? (a) 9 (b) 0.009 (c) 0.09 (d) 0.9
  33. 33.Which is the smallest: 0.4, 0.331, 0.46, 0.089? (a) 0.4 (b) 0.331 (c) 0.46 (d) 0.089
  34. 34.3.59 + 9.9 = ? (a) 4.58 (b) 13.49 (c) 13.39 (d) 13.59
  35. 35.What is the value of the digit 7 in 84.972? (a) 0.7 (b) 0.07 (c) 7 (d) 0.007
  36. 36.What is the value of the digit 8 in 85.469? (a) 8 (b) 80 (c) 0.08 (d) 0.8
  37. 37.What is the value of the digit 6 in 26.571? (a) 6 (b) 60 (c) 0.06 (d) 0.6
  38. 38.1.01 + 1.6 = ? (a) 2.71 (b) 2.51 (c) 1.17 (d) 2.61
  39. 39.Which is the greatest: 0.57, 0.024, 0.5, 0.479? (a) 0.57 (b) 0.024 (c) 0.5 (d) 0.479
  40. 40.Which is the greatest: 0.127, 0.2, 0.014, 0.29? (a) 0.127 (b) 0.2 (c) 0.014 (d) 0.29

Answer key

  1. 0.07
  2. 0.59
  3. 0.63
  4. 0.2
  5. 17.02
  6. 0.41
  7. 0.024
  8. 0.68
  9. 0.014
  10. 12.26
  11. 0.041
  12. 0.37
  13. 6
  14. 11.01
  15. 0.24
  16. 0.7
  17. 2
  18. 10.48
  19. 17.43
  20. 4.78
  21. 0.041
  22. 0.65
  23. 0.24
  24. 0.002
  25. 40
  26. 0.057
  27. 7.76
  28. 10.74
  29. 0.089
  30. 10.71
  31. 11.86
  32. 0.9
  33. 0.089
  34. 13.49
  35. 0.07
  36. 80
  37. 6
  38. 2.61
  39. 0.57
  40. 0.29

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