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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 938 · 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 72.158? (a) 0.2 (b) 2 (c) 0.02 (d) 20
  2. 2.What is the value of the digit 2 in 26.957? (a) 20 (b) 0.2 (c) 0.02 (d) 2
  3. 3.Which is the greatest: 0.7, 0.612, 0.033, 0.72? (a) 0.7 (b) 0.612 (c) 0.033 (d) 0.72
  4. 4.Which is the greatest: 0.063, 0.3, 0.211, 0.37? (a) 0.063 (b) 0.3 (c) 0.211 (d) 0.37
  5. 5.Which is the smallest: 0.52, 0.473, 0.5, 0.023? (a) 0.52 (b) 0.473 (c) 0.5 (d) 0.023
  6. 6.What is the value of the digit 9 in 12.967? (a) 0.09 (b) 0.9 (c) 9 (d) 0.009
  7. 7.What is the value of the digit 7 in 27.485? (a) 70 (b) 7 (c) 0.07 (d) 0.7
  8. 8.4.93 + 5.1 = ? (a) 10.03 (b) 9.93 (c) 10.13 (d) 5.44
  9. 9.8.49 + 9.6 = ? (a) 17.99 (b) 18.19 (c) 9.45 (d) 18.09
  10. 10.6.61 + 6.8 = ? (a) 13.41 (b) 7.29 (c) 13.31 (d) 13.51
  11. 11.What is the value of the digit 7 in 75.684? (a) 7 (b) 70 (c) 0.7 (d) 0.07
  12. 12.9.44 + 8.2 = ? (a) 17.74 (b) 17.54 (c) 10.26 (d) 17.64
  13. 13.2.47 + 5.1 = ? (a) 7.67 (b) 7.57 (c) 2.98 (d) 7.47
  14. 14.What is the value of the digit 8 in 38.614? (a) 0.08 (b) 80 (c) 8 (d) 0.8
  15. 15.What is the value of the digit 3 in 41.359? (a) 0.3 (b) 0.003 (c) 3 (d) 0.03
  16. 16.What is the value of the digit 2 in 34.527? (a) 2 (b) 0.02 (c) 0.2 (d) 0.002
  17. 17.9.89 + 6.3 = ? (a) 16.29 (b) 16.19 (c) 16.09 (d) 10.52
  18. 18.5.28 + 5.8 = ? (a) 10.98 (b) 5.86 (c) 11.08 (d) 11.18
  19. 19.5.67 + 9.9 = ? (a) 15.57 (b) 6.66 (c) 15.47 (d) 15.67
  20. 20.What is the value of the digit 2 in 13.827? (a) 2 (b) 0.002 (c) 0.02 (d) 0.2
  21. 21.1.31 + 6.6 = ? (a) 7.81 (b) 1.97 (c) 7.91 (d) 8.01
  22. 22.Which is the greatest: 0.714, 0.8, 0.82, 0.069? (a) 0.714 (b) 0.8 (c) 0.82 (d) 0.069
  23. 23.What is the value of the digit 2 in 23.578? (a) 0.02 (b) 0.2 (c) 2 (d) 20
  24. 24.Which is the smallest: 0.42, 0.087, 0.346, 0.4? (a) 0.42 (b) 0.087 (c) 0.346 (d) 0.4
  25. 25.1.72 + 8.8 = ? (a) 2.6 (b) 10.42 (c) 10.62 (d) 10.52
  26. 26.Which is the greatest: 0.69, 0.536, 0.6, 0.051? (a) 0.69 (b) 0.536 (c) 0.6 (d) 0.051
  27. 27.Which is the smallest: 0.552, 0.6, 0.61, 0.062? (a) 0.552 (b) 0.6 (c) 0.61 (d) 0.062
  28. 28.What is the value of the digit 5 in 96.715? (a) 0.5 (b) 0.05 (c) 0.005 (d) 5
  29. 29.What is the value of the digit 3 in 57.934? (a) 0.003 (b) 0.3 (c) 0.03 (d) 3
  30. 30.What is the value of the digit 6 in 26.193? (a) 60 (b) 0.06 (c) 6 (d) 0.6
  31. 31.What is the value of the digit 6 in 64.813? (a) 0.6 (b) 6 (c) 0.06 (d) 60
  32. 32.Which is the greatest: 0.162, 0.2, 0.021, 0.26? (a) 0.162 (b) 0.2 (c) 0.021 (d) 0.26
  33. 33.Which is the greatest: 0.524, 0.054, 0.64, 0.6? (a) 0.524 (b) 0.054 (c) 0.64 (d) 0.6
  34. 34.2.84 + 7.9 = ? (a) 3.63 (b) 10.84 (c) 10.74 (d) 10.64
  35. 35.What is the value of the digit 4 in 42.586? (a) 0.04 (b) 40 (c) 0.4 (d) 4
  36. 36.What is the value of the digit 5 in 76.815? (a) 5 (b) 0.05 (c) 0.005 (d) 0.5
  37. 37.What is the value of the digit 8 in 14.986? (a) 0.8 (b) 0.008 (c) 0.08 (d) 8
  38. 38.Which is the greatest: 0.3, 0.222, 0.053, 0.31? (a) 0.3 (b) 0.222 (c) 0.053 (d) 0.31
  39. 39.What is the value of the digit 4 in 28.614? (a) 0.04 (b) 0.004 (c) 4 (d) 0.4
  40. 40.Which is the greatest: 0.36, 0.018, 0.282, 0.3? (a) 0.36 (b) 0.018 (c) 0.282 (d) 0.3

Answer key

  1. 2
  2. 20
  3. 0.72
  4. 0.37
  5. 0.023
  6. 0.9
  7. 7
  8. 10.03
  9. 18.09
  10. 13.41
  11. 70
  12. 17.64
  13. 7.57
  14. 8
  15. 0.3
  16. 0.02
  17. 16.19
  18. 11.08
  19. 15.57
  20. 0.02
  21. 7.91
  22. 0.82
  23. 20
  24. 0.087
  25. 10.52
  26. 0.69
  27. 0.062
  28. 0.005
  29. 0.03
  30. 6
  31. 60
  32. 0.26
  33. 0.64
  34. 10.74
  35. 40
  36. 0.005
  37. 0.08
  38. 0.31
  39. 0.004
  40. 0.36

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