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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 886 · 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. 1.2.11 + 8.5 = ? (a) 2.96 (b) 10.71 (c) 10.51 (d) 10.61
  2. 2.What is the value of the digit 1 in 29.416? (a) 0.01 (b) 1 (c) 0.001 (d) 0.1
  3. 3.Which is the greatest: 0.599, 0.63, 0.022, 0.6? (a) 0.599 (b) 0.63 (c) 0.022 (d) 0.6
  4. 4.Which is the greatest: 0.015, 0.47, 0.4, 0.387? (a) 0.015 (b) 0.47 (c) 0.4 (d) 0.387
  5. 5.Which is the smallest: 0.022, 0.2, 0.23, 0.178? (a) 0.022 (b) 0.2 (c) 0.23 (d) 0.178
  6. 6.What is the value of the digit 1 in 96.213? (a) 0.01 (b) 0.001 (c) 0.1 (d) 1
  7. 7.What is the value of the digit 8 in 17.683? (a) 8 (b) 0.008 (c) 0.08 (d) 0.8
  8. 8.What is the value of the digit 8 in 58.926? (a) 80 (b) 0.8 (c) 0.08 (d) 8
  9. 9.What is the value of the digit 2 in 72.415? (a) 2 (b) 0.02 (c) 0.2 (d) 20
  10. 10.9.39 + 5.8 = ? (a) 15.09 (b) 15.29 (c) 9.97 (d) 15.19
  11. 11.What is the value of the digit 3 in 57.394? (a) 0.003 (b) 0.3 (c) 3 (d) 0.03
  12. 12.4.68 + 7.7 = ? (a) 12.38 (b) 12.48 (c) 5.45 (d) 12.28
  13. 13.What is the value of the digit 5 in 74.165? (a) 5 (b) 0.5 (c) 0.05 (d) 0.005
  14. 14.Which is the smallest: 0.65, 0.534, 0.6, 0.064? (a) 0.65 (b) 0.534 (c) 0.6 (d) 0.064
  15. 15.Which is the greatest: 0.739, 0.012, 0.8, 0.83? (a) 0.739 (b) 0.012 (c) 0.8 (d) 0.83
  16. 16.6.65 + 3.1 = ? (a) 6.96 (b) 9.65 (c) 9.75 (d) 9.85
  17. 17.Which is the smallest: 0.142, 0.014, 0.2, 0.29? (a) 0.142 (b) 0.014 (c) 0.2 (d) 0.29
  18. 18.Which is the greatest: 0.034, 0.38, 0.3, 0.287? (a) 0.034 (b) 0.38 (c) 0.3 (d) 0.287
  19. 19.Which is the greatest: 0.7, 0.79, 0.029, 0.633? (a) 0.7 (b) 0.79 (c) 0.029 (d) 0.633
  20. 20.8.43 + 5.8 = ? (a) 14.23 (b) 14.13 (c) 14.33 (d) 9.01
  21. 21.1.34 + 2.3 = ? (a) 3.54 (b) 3.74 (c) 3.64 (d) 1.57
  22. 22.Which is the smallest: 0.2, 0.014, 0.185, 0.28? (a) 0.2 (b) 0.014 (c) 0.185 (d) 0.28
  23. 23.Which is the greatest: 0.41, 0.015, 0.4, 0.372? (a) 0.41 (b) 0.015 (c) 0.4 (d) 0.372
  24. 24.What is the value of the digit 9 in 17.293? (a) 0.09 (b) 9 (c) 0.9 (d) 0.009
  25. 25.9.48 + 8.3 = ? (a) 17.68 (b) 17.88 (c) 17.78 (d) 10.31
  26. 26.Which is the greatest: 0.2, 0.29, 0.156, 0.074? (a) 0.2 (b) 0.29 (c) 0.156 (d) 0.074
  27. 27.Which is the greatest: 0.65, 0.022, 0.6, 0.537? (a) 0.65 (b) 0.022 (c) 0.6 (d) 0.537
  28. 28.Which is the greatest: 0.3, 0.082, 0.247, 0.39? (a) 0.3 (b) 0.082 (c) 0.247 (d) 0.39
  29. 29.6.39 + 3.1 = ? (a) 9.59 (b) 6.7 (c) 9.49 (d) 9.39
  30. 30.Which is the greatest: 0.331, 0.089, 0.43, 0.4? (a) 0.331 (b) 0.089 (c) 0.43 (d) 0.4
  31. 31.7.75 + 3.1 = ? (a) 10.85 (b) 10.75 (c) 10.95 (d) 8.06
  32. 32.Which is the smallest: 0.219, 0.051, 0.3, 0.33? (a) 0.219 (b) 0.051 (c) 0.3 (d) 0.33
  33. 33.What is the value of the digit 7 in 85.729? (a) 7 (b) 0.7 (c) 0.07 (d) 0.007
  34. 34.Which is the greatest: 0.749, 0.8, 0.81, 0.075? (a) 0.749 (b) 0.8 (c) 0.81 (d) 0.075
  35. 35.5.01 + 9.1 = ? (a) 14.11 (b) 5.92 (c) 14.01 (d) 14.21
  36. 36.6.61 + 8.6 = ? (a) 15.11 (b) 15.31 (c) 15.21 (d) 7.47
  37. 37.Which is the smallest: 0.2, 0.129, 0.25, 0.043? (a) 0.2 (b) 0.129 (c) 0.25 (d) 0.043
  38. 38.What is the value of the digit 9 in 27.948? (a) 0.009 (b) 0.9 (c) 0.09 (d) 9
  39. 39.What is the value of the digit 8 in 37.586? (a) 0.08 (b) 0.008 (c) 8 (d) 0.8
  40. 40.Which is the smallest: 0.051, 0.8, 0.84, 0.744? (a) 0.051 (b) 0.8 (c) 0.84 (d) 0.744

Answer key

  1. 10.61
  2. 0.01
  3. 0.63
  4. 0.47
  5. 0.022
  6. 0.01
  7. 0.08
  8. 8
  9. 2
  10. 15.19
  11. 0.3
  12. 12.38
  13. 0.005
  14. 0.064
  15. 0.83
  16. 9.75
  17. 0.014
  18. 0.38
  19. 0.79
  20. 14.23
  21. 3.64
  22. 0.014
  23. 0.41
  24. 0.09
  25. 17.78
  26. 0.29
  27. 0.65
  28. 0.39
  29. 9.49
  30. 0.43
  31. 10.85
  32. 0.051
  33. 0.7
  34. 0.81
  35. 14.11
  36. 15.21
  37. 0.043
  38. 0.9
  39. 0.08
  40. 0.051

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