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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 448 · 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: 0.029, 0.3, 0.229, 0.32? (a) 0.029 (b) 0.3 (c) 0.229 (d) 0.32
  2. 2.Which is the greatest: 0.5, 0.011, 0.53, 0.464? (a) 0.5 (b) 0.011 (c) 0.53 (d) 0.464
  3. 3.What is the value of the digit 2 in 24.891? (a) 0.02 (b) 2 (c) 20 (d) 0.2
  4. 4.2.77 + 8.3 = ? (a) 11.17 (b) 3.6 (c) 11.07 (d) 10.97
  5. 5.What is the value of the digit 2 in 52.179? (a) 20 (b) 0.02 (c) 0.2 (d) 2
  6. 6.Which is the smallest: 0.793, 0.8, 0.86, 0.068? (a) 0.793 (b) 0.8 (c) 0.86 (d) 0.068
  7. 7.What is the value of the digit 4 in 98.347? (a) 4 (b) 0.04 (c) 0.4 (d) 0.004
  8. 8.What is the value of the digit 1 in 21.769? (a) 0.1 (b) 10 (c) 1 (d) 0.01
  9. 9.Which is the greatest: 0.22, 0.2, 0.011, 0.115? (a) 0.22 (b) 0.2 (c) 0.011 (d) 0.115
  10. 10.Which is the smallest: 0.469, 0.097, 0.5, 0.55? (a) 0.469 (b) 0.097 (c) 0.5 (d) 0.55
  11. 11.Which is the smallest: 0.512, 0.041, 0.61, 0.6? (a) 0.512 (b) 0.041 (c) 0.61 (d) 0.6
  12. 12.5.22 + 7.1 = ? (a) 12.32 (b) 5.93 (c) 12.22 (d) 12.42
  13. 13.Which is the greatest: 0.263, 0.048, 0.3, 0.35? (a) 0.263 (b) 0.048 (c) 0.3 (d) 0.35
  14. 14.1.09 + 6.2 = ? (a) 7.39 (b) 7.19 (c) 7.29 (d) 1.71
  15. 15.What is the value of the digit 4 in 67.142? (a) 0.004 (b) 4 (c) 0.04 (d) 0.4
  16. 16.What is the value of the digit 1 in 32.198? (a) 0.001 (b) 1 (c) 0.1 (d) 0.01
  17. 17.1.82 + 2.9 = ? (a) 4.72 (b) 4.62 (c) 2.11 (d) 4.82
  18. 18.What is the value of the digit 8 in 81.326? (a) 8 (b) 0.08 (c) 0.8 (d) 80
  19. 19.Which is the greatest: 0.48, 0.337, 0.4, 0.011? (a) 0.48 (b) 0.337 (c) 0.4 (d) 0.011
  20. 20.Which is the greatest: 0.75, 0.635, 0.7, 0.088? (a) 0.75 (b) 0.635 (c) 0.7 (d) 0.088
  21. 21.Which is the greatest: 0.83, 0.8, 0.737, 0.079? (a) 0.83 (b) 0.8 (c) 0.737 (d) 0.079
  22. 22.Which is the greatest: 0.612, 0.79, 0.7, 0.095? (a) 0.612 (b) 0.79 (c) 0.7 (d) 0.095
  23. 23.What is the value of the digit 3 in 12.387? (a) 3 (b) 0.03 (c) 0.003 (d) 0.3
  24. 24.Which is the greatest: 0.759, 0.82, 0.096, 0.8? (a) 0.759 (b) 0.82 (c) 0.096 (d) 0.8
  25. 25.8.43 + 5.3 = ? (a) 13.83 (b) 13.73 (c) 13.63 (d) 8.96
  26. 26.4.59 + 7.1 = ? (a) 11.79 (b) 5.3 (c) 11.69 (d) 11.59
  27. 27.Which is the greatest: 0.2, 0.142, 0.24, 0.056? (a) 0.2 (b) 0.142 (c) 0.24 (d) 0.056
  28. 28.3.96 + 6.2 = ? (a) 10.06 (b) 4.58 (c) 10.26 (d) 10.16
  29. 29.What is the value of the digit 8 in 18.374? (a) 8 (b) 0.08 (c) 80 (d) 0.8
  30. 30.1.69 + 4.6 = ? (a) 6.39 (b) 6.19 (c) 6.29 (d) 2.15
  31. 31.What is the value of the digit 2 in 58.192? (a) 0.2 (b) 0.02 (c) 2 (d) 0.002
  32. 32.What is the value of the digit 2 in 26.849? (a) 20 (b) 2 (c) 0.2 (d) 0.02
  33. 33.2.91 + 2.5 = ? (a) 5.31 (b) 3.16 (c) 5.51 (d) 5.41
  34. 34.5.89 + 4.3 = ? (a) 10.09 (b) 6.32 (c) 10.19 (d) 10.29
  35. 35.What is the value of the digit 3 in 93.427? (a) 3 (b) 30 (c) 0.3 (d) 0.03
  36. 36.Which is the smallest: 0.62, 0.6, 0.046, 0.561? (a) 0.62 (b) 0.6 (c) 0.046 (d) 0.561
  37. 37.Which is the greatest: 0.42, 0.331, 0.048, 0.4? (a) 0.42 (b) 0.331 (c) 0.048 (d) 0.4
  38. 38.Which is the greatest: 0.414, 0.54, 0.5, 0.071? (a) 0.414 (b) 0.54 (c) 0.5 (d) 0.071
  39. 39.3.91 + 4.4 = ? (a) 8.21 (b) 8.31 (c) 8.41 (d) 4.35
  40. 40.Which is the greatest: 0.484, 0.019, 0.5, 0.54? (a) 0.484 (b) 0.019 (c) 0.5 (d) 0.54

Answer key

  1. 0.029
  2. 0.53
  3. 20
  4. 11.07
  5. 2
  6. 0.068
  7. 0.04
  8. 1
  9. 0.22
  10. 0.097
  11. 0.041
  12. 12.32
  13. 0.35
  14. 7.29
  15. 0.04
  16. 0.1
  17. 4.72
  18. 80
  19. 0.48
  20. 0.75
  21. 0.83
  22. 0.79
  23. 0.3
  24. 0.82
  25. 13.73
  26. 11.69
  27. 0.24
  28. 10.16
  29. 8
  30. 6.29
  31. 0.002
  32. 20
  33. 5.41
  34. 10.19
  35. 3
  36. 0.046
  37. 0.42
  38. 0.54
  39. 8.31
  40. 0.54

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