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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 787 · 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 greatest: 0.46, 0.032, 0.4, 0.366? (a) 0.46 (b) 0.032 (c) 0.4 (d) 0.366
  2. 2.What is the value of the digit 4 in 96.347? (a) 0.4 (b) 0.04 (c) 0.004 (d) 4
  3. 3.Which is the greatest: 0.521, 0.063, 0.67, 0.6? (a) 0.521 (b) 0.063 (c) 0.67 (d) 0.6
  4. 4.Which is the greatest: 0.751, 0.8, 0.81, 0.029? (a) 0.751 (b) 0.8 (c) 0.81 (d) 0.029
  5. 5.1.54 + 6.2 = ? (a) 2.16 (b) 7.84 (c) 7.64 (d) 7.74
  6. 6.What is the value of the digit 8 in 96.248? (a) 0.8 (b) 0.08 (c) 8 (d) 0.008
  7. 7.What is the value of the digit 4 in 59.314? (a) 0.004 (b) 0.4 (c) 4 (d) 0.04
  8. 8.What is the value of the digit 8 in 43.528? (a) 0.8 (b) 0.008 (c) 0.08 (d) 8
  9. 9.Which is the smallest: 0.465, 0.038, 0.53, 0.5? (a) 0.465 (b) 0.038 (c) 0.53 (d) 0.5
  10. 10.Which is the smallest: 0.012, 0.373, 0.4, 0.44? (a) 0.012 (b) 0.373 (c) 0.4 (d) 0.44
  11. 11.2.41 + 3.5 = ? (a) 2.76 (b) 6.01 (c) 5.91 (d) 5.81
  12. 12.What is the value of the digit 6 in 87.256? (a) 0.6 (b) 6 (c) 0.06 (d) 0.006
  13. 13.Which is the greatest: 0.24, 0.158, 0.061, 0.2? (a) 0.24 (b) 0.158 (c) 0.061 (d) 0.2
  14. 14.Which is the greatest: 0.61, 0.529, 0.025, 0.6? (a) 0.61 (b) 0.529 (c) 0.025 (d) 0.6
  15. 15.What is the value of the digit 8 in 81.639? (a) 0.8 (b) 80 (c) 0.08 (d) 8
  16. 16.2.63 + 3.7 = ? (a) 6.23 (b) 6.43 (c) 3 (d) 6.33
  17. 17.3.13 + 4.1 = ? (a) 7.33 (b) 7.23 (c) 7.13 (d) 3.54
  18. 18.7.57 + 7.3 = ? (a) 14.87 (b) 14.97 (c) 14.77 (d) 8.3
  19. 19.8.99 + 8.7 = ? (a) 9.86 (b) 17.79 (c) 17.59 (d) 17.69
  20. 20.Which is the smallest: 0.58, 0.451, 0.5, 0.066? (a) 0.58 (b) 0.451 (c) 0.5 (d) 0.066
  21. 21.What is the value of the digit 4 in 19.524? (a) 4 (b) 0.004 (c) 0.04 (d) 0.4
  22. 22.Which is the smallest: 0.56, 0.478, 0.065, 0.5? (a) 0.56 (b) 0.478 (c) 0.065 (d) 0.5
  23. 23.Which is the greatest: 0.6, 0.076, 0.69, 0.529? (a) 0.6 (b) 0.076 (c) 0.69 (d) 0.529
  24. 24.Which is the greatest: 0.82, 0.8, 0.042, 0.789? (a) 0.82 (b) 0.8 (c) 0.042 (d) 0.789
  25. 25.3.07 + 7.1 = ? (a) 10.07 (b) 10.27 (c) 10.17 (d) 3.78
  26. 26.What is the value of the digit 4 in 94.268? (a) 4 (b) 0.04 (c) 40 (d) 0.4
  27. 27.5.11 + 5.1 = ? (a) 5.62 (b) 10.31 (c) 10.21 (d) 10.11
  28. 28.What is the value of the digit 1 in 51.638? (a) 1 (b) 10 (c) 0.01 (d) 0.1
  29. 29.2.24 + 1.1 = ? (a) 3.24 (b) 2.35 (c) 3.44 (d) 3.34
  30. 30.Which is the smallest: 0.086, 0.498, 0.5, 0.51? (a) 0.086 (b) 0.498 (c) 0.5 (d) 0.51
  31. 31.5.14 + 9.3 = ? (a) 14.54 (b) 14.34 (c) 14.44 (d) 6.07
  32. 32.Which is the smallest: 0.7, 0.76, 0.686, 0.024? (a) 0.7 (b) 0.76 (c) 0.686 (d) 0.024
  33. 33.1.56 + 6.7 = ? (a) 8.16 (b) 8.36 (c) 8.26 (d) 2.23
  34. 34.9.47 + 4.6 = ? (a) 9.93 (b) 14.07 (c) 13.97 (d) 14.17
  35. 35.6.38 + 7.1 = ? (a) 13.48 (b) 13.38 (c) 13.58 (d) 7.09
  36. 36.What is the value of the digit 7 in 45.739? (a) 0.007 (b) 0.7 (c) 7 (d) 0.07
  37. 37.What is the value of the digit 2 in 24.167? (a) 2 (b) 20 (c) 0.02 (d) 0.2
  38. 38.What is the value of the digit 9 in 79.185? (a) 90 (b) 0.09 (c) 0.9 (d) 9
  39. 39.What is the value of the digit 6 in 64.983? (a) 0.06 (b) 6 (c) 60 (d) 0.6
  40. 40.Which is the greatest: 0.5, 0.027, 0.58, 0.497? (a) 0.5 (b) 0.027 (c) 0.58 (d) 0.497

Answer key

  1. 0.46
  2. 0.04
  3. 0.67
  4. 0.81
  5. 7.74
  6. 0.008
  7. 0.004
  8. 0.008
  9. 0.038
  10. 0.012
  11. 5.91
  12. 0.006
  13. 0.24
  14. 0.61
  15. 80
  16. 6.33
  17. 7.23
  18. 14.87
  19. 17.69
  20. 0.066
  21. 0.004
  22. 0.065
  23. 0.69
  24. 0.82
  25. 10.17
  26. 4
  27. 10.21
  28. 1
  29. 3.34
  30. 0.086
  31. 14.44
  32. 0.024
  33. 8.26
  34. 14.07
  35. 13.48
  36. 0.7
  37. 20
  38. 9
  39. 60
  40. 0.58

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