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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 559 · 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: 0.2, 0.22, 0.098, 0.172? (a) 0.2 (b) 0.22 (c) 0.098 (d) 0.172
  2. 2.What is the value of the digit 6 in 34.867? (a) 6 (b) 0.06 (c) 0.006 (d) 0.6
  3. 3.What is the value of the digit 8 in 42.587? (a) 0.8 (b) 0.08 (c) 0.008 (d) 8
  4. 4.Which is the greatest: 0.382, 0.4, 0.43, 0.092? (a) 0.382 (b) 0.4 (c) 0.43 (d) 0.092
  5. 5.9.94 + 8.2 = ? (a) 18.24 (b) 10.76 (c) 18.04 (d) 18.14
  6. 6.8.18 + 7.1 = ? (a) 15.38 (b) 8.89 (c) 15.18 (d) 15.28
  7. 7.Which is the smallest: 0.767, 0.86, 0.8, 0.069? (a) 0.767 (b) 0.86 (c) 0.8 (d) 0.069
  8. 8.Which is the smallest: 0.411, 0.045, 0.5, 0.56? (a) 0.411 (b) 0.045 (c) 0.5 (d) 0.56
  9. 9.What is the value of the digit 1 in 25.691? (a) 0.1 (b) 0.01 (c) 1 (d) 0.001
  10. 10.6.19 + 9.1 = ? (a) 7.1 (b) 15.39 (c) 15.19 (d) 15.29
  11. 11.What is the value of the digit 8 in 38.126? (a) 80 (b) 0.08 (c) 0.8 (d) 8
  12. 12.1.31 + 1.3 = ? (a) 2.51 (b) 2.61 (c) 1.44 (d) 2.71
  13. 13.6.57 + 1.7 = ? (a) 8.27 (b) 8.17 (c) 8.37 (d) 6.74
  14. 14.Which is the smallest: 0.27, 0.152, 0.096, 0.2? (a) 0.27 (b) 0.152 (c) 0.096 (d) 0.2
  15. 15.2.95 + 3.1 = ? (a) 6.15 (b) 5.95 (c) 6.05 (d) 3.26
  16. 16.Which is the greatest: 0.2, 0.144, 0.27, 0.094? (a) 0.2 (b) 0.144 (c) 0.27 (d) 0.094
  17. 17.What is the value of the digit 4 in 49.715? (a) 0.4 (b) 40 (c) 4 (d) 0.04
  18. 18.Which is the smallest: 0.44, 0.4, 0.081, 0.395? (a) 0.44 (b) 0.4 (c) 0.081 (d) 0.395
  19. 19.Which is the smallest: 0.374, 0.4, 0.45, 0.025? (a) 0.374 (b) 0.4 (c) 0.45 (d) 0.025
  20. 20.5.17 + 9.6 = ? (a) 6.13 (b) 14.67 (c) 14.87 (d) 14.77
  21. 21.What is the value of the digit 6 in 64.832? (a) 60 (b) 6 (c) 0.06 (d) 0.6
  22. 22.4.41 + 2.2 = ? (a) 6.51 (b) 4.63 (c) 6.61 (d) 6.71
  23. 23.Which is the smallest: 0.21, 0.2, 0.061, 0.114? (a) 0.21 (b) 0.2 (c) 0.061 (d) 0.114
  24. 24.Which is the smallest: 0.048, 0.239, 0.3, 0.31? (a) 0.048 (b) 0.239 (c) 0.3 (d) 0.31
  25. 25.8.08 + 9.1 = ? (a) 8.99 (b) 17.28 (c) 17.18 (d) 17.08
  26. 26.What is the value of the digit 4 in 73.184? (a) 0.4 (b) 4 (c) 0.004 (d) 0.04
  27. 27.What is the value of the digit 2 in 91.842? (a) 0.02 (b) 0.2 (c) 2 (d) 0.002
  28. 28.What is the value of the digit 2 in 41.932? (a) 2 (b) 0.2 (c) 0.002 (d) 0.02
  29. 29.5.47 + 8.1 = ? (a) 13.67 (b) 13.57 (c) 13.47 (d) 6.28
  30. 30.What is the value of the digit 3 in 27.431? (a) 3 (b) 0.3 (c) 0.003 (d) 0.03
  31. 31.What is the value of the digit 3 in 36.598? (a) 30 (b) 0.3 (c) 0.03 (d) 3
  32. 32.7.17 + 1.6 = ? (a) 7.33 (b) 8.67 (c) 8.87 (d) 8.77
  33. 33.7.52 + 5.7 = ? (a) 13.22 (b) 8.09 (c) 13.12 (d) 13.32
  34. 34.What is the value of the digit 1 in 46.971? (a) 0.01 (b) 0.001 (c) 1 (d) 0.1
  35. 35.What is the value of the digit 9 in 59.738? (a) 0.9 (b) 0.09 (c) 90 (d) 9
  36. 36.6.81 + 7.9 = ? (a) 14.61 (b) 14.71 (c) 14.81 (d) 7.6
  37. 37.What is the value of the digit 6 in 28.651? (a) 0.006 (b) 6 (c) 0.6 (d) 0.06
  38. 38.3.53 + 9.2 = ? (a) 12.63 (b) 4.45 (c) 12.83 (d) 12.73
  39. 39.8.61 + 5.1 = ? (a) 13.81 (b) 13.71 (c) 13.61 (d) 9.12
  40. 40.What is the value of the digit 6 in 35.461? (a) 6 (b) 0.006 (c) 0.6 (d) 0.06

Answer key

  1. 0.22
  2. 0.06
  3. 0.08
  4. 0.43
  5. 18.14
  6. 15.28
  7. 0.069
  8. 0.045
  9. 0.001
  10. 15.29
  11. 8
  12. 2.61
  13. 8.27
  14. 0.096
  15. 6.05
  16. 0.27
  17. 40
  18. 0.081
  19. 0.025
  20. 14.77
  21. 60
  22. 6.61
  23. 0.061
  24. 0.048
  25. 17.18
  26. 0.004
  27. 0.002
  28. 0.002
  29. 13.57
  30. 0.03
  31. 30
  32. 8.77
  33. 13.22
  34. 0.001
  35. 9
  36. 14.71
  37. 0.6
  38. 12.73
  39. 13.71
  40. 0.06

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