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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 325 · 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 2 in 15.273? (a) 2 (b) 0.002 (c) 0.02 (d) 0.2
  2. 2.8.73 + 7.2 = ? (a) 15.83 (b) 15.93 (c) 16.03 (d) 9.45
  3. 3.What is the value of the digit 2 in 46.932? (a) 0.2 (b) 0.002 (c) 0.02 (d) 2
  4. 4.8.83 + 1.8 = ? (a) 10.73 (b) 10.53 (c) 9.01 (d) 10.63
  5. 5.9.32 + 6.6 = ? (a) 9.98 (b) 15.82 (c) 15.92 (d) 16.02
  6. 6.Which is the greatest: 0.574, 0.6, 0.69, 0.028? (a) 0.574 (b) 0.6 (c) 0.69 (d) 0.028
  7. 7.What is the value of the digit 5 in 36.954? (a) 0.05 (b) 0.5 (c) 0.005 (d) 5
  8. 8.Which is the smallest: 0.654, 0.74, 0.7, 0.082? (a) 0.654 (b) 0.74 (c) 0.7 (d) 0.082
  9. 9.What is the value of the digit 5 in 86.452? (a) 0.05 (b) 5 (c) 0.5 (d) 0.005
  10. 10.2.06 + 8.5 = ? (a) 2.91 (b) 10.46 (c) 10.66 (d) 10.56
  11. 11.Which is the greatest: 0.679, 0.73, 0.028, 0.7? (a) 0.679 (b) 0.73 (c) 0.028 (d) 0.7
  12. 12.Which is the greatest: 0.081, 0.62, 0.583, 0.6? (a) 0.081 (b) 0.62 (c) 0.583 (d) 0.6
  13. 13.What is the value of the digit 9 in 79.234? (a) 9 (b) 0.9 (c) 0.09 (d) 90
  14. 14.What is the value of the digit 4 in 49.683? (a) 0.04 (b) 0.4 (c) 4 (d) 40
  15. 15.Which is the smallest: 0.076, 0.551, 0.6, 0.69? (a) 0.076 (b) 0.551 (c) 0.6 (d) 0.69
  16. 16.What is the value of the digit 4 in 58.497? (a) 4 (b) 0.4 (c) 0.04 (d) 0.004
  17. 17.What is the value of the digit 2 in 24.189? (a) 0.2 (b) 2 (c) 0.02 (d) 20
  18. 18.6.92 + 8.9 = ? (a) 15.72 (b) 7.81 (c) 15.92 (d) 15.82
  19. 19.What is the value of the digit 9 in 46.719? (a) 9 (b) 0.9 (c) 0.009 (d) 0.09
  20. 20.Which is the greatest: 0.085, 0.45, 0.4, 0.351? (a) 0.085 (b) 0.45 (c) 0.4 (d) 0.351
  21. 21.What is the value of the digit 4 in 41.832? (a) 0.04 (b) 40 (c) 4 (d) 0.4
  22. 22.What is the value of the digit 8 in 62.813? (a) 0.08 (b) 8 (c) 0.8 (d) 0.008
  23. 23.What is the value of the digit 9 in 16.394? (a) 9 (b) 0.09 (c) 0.9 (d) 0.009
  24. 24.3.92 + 3.1 = ? (a) 4.23 (b) 7.12 (c) 6.92 (d) 7.02
  25. 25.7.53 + 8.5 = ? (a) 16.13 (b) 15.93 (c) 8.38 (d) 16.03
  26. 26.Which is the greatest: 0.88, 0.719, 0.8, 0.068? (a) 0.88 (b) 0.719 (c) 0.8 (d) 0.068
  27. 27.4.51 + 7.7 = ? (a) 12.31 (b) 12.11 (c) 12.21 (d) 5.28
  28. 28.Which is the smallest: 0.2, 0.22, 0.022, 0.178? (a) 0.2 (b) 0.22 (c) 0.022 (d) 0.178
  29. 29.9.48 + 8.5 = ? (a) 18.08 (b) 17.88 (c) 10.33 (d) 17.98
  30. 30.What is the value of the digit 6 in 26.195? (a) 6 (b) 0.06 (c) 0.6 (d) 60
  31. 31.Which is the greatest: 0.69, 0.015, 0.6, 0.526? (a) 0.69 (b) 0.015 (c) 0.6 (d) 0.526
  32. 32.What is the value of the digit 3 in 19.375? (a) 0.03 (b) 0.003 (c) 3 (d) 0.3
  33. 33.3.41 + 1.9 = ? (a) 5.21 (b) 5.41 (c) 5.31 (d) 3.6
  34. 34.What is the value of the digit 9 in 25.936? (a) 0.009 (b) 0.09 (c) 0.9 (d) 9
  35. 35.Which is the smallest: 0.29, 0.2, 0.126, 0.014? (a) 0.29 (b) 0.2 (c) 0.126 (d) 0.014
  36. 36.What is the value of the digit 8 in 49.582? (a) 0.8 (b) 8 (c) 0.08 (d) 0.008
  37. 37.What is the value of the digit 9 in 19.427? (a) 9 (b) 0.9 (c) 0.09 (d) 90
  38. 38.Which is the greatest: 0.27, 0.2, 0.121, 0.082? (a) 0.27 (b) 0.2 (c) 0.121 (d) 0.082
  39. 39.4.46 + 8.2 = ? (a) 12.76 (b) 5.28 (c) 12.56 (d) 12.66
  40. 40.What is the value of the digit 2 in 25.986? (a) 2 (b) 20 (c) 0.2 (d) 0.02

Answer key

  1. 0.2
  2. 15.93
  3. 0.002
  4. 10.63
  5. 15.92
  6. 0.69
  7. 0.05
  8. 0.082
  9. 0.05
  10. 10.56
  11. 0.73
  12. 0.62
  13. 9
  14. 40
  15. 0.076
  16. 0.4
  17. 20
  18. 15.82
  19. 0.009
  20. 0.45
  21. 40
  22. 0.8
  23. 0.09
  24. 7.02
  25. 16.03
  26. 0.88
  27. 12.21
  28. 0.022
  29. 17.98
  30. 6
  31. 0.69
  32. 0.3
  33. 5.31
  34. 0.9
  35. 0.014
  36. 0.08
  37. 9
  38. 0.27
  39. 12.66
  40. 20

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