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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 103 · 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 8 in 46.189? (a) 0.08 (b) 8 (c) 0.008 (d) 0.8
  2. 2.1.91 + 8.1 = ? (a) 9.91 (b) 10.01 (c) 2.72 (d) 10.11
  3. 3.Which is the greatest: 0.88, 0.739, 0.8, 0.043? (a) 0.88 (b) 0.739 (c) 0.8 (d) 0.043
  4. 4.5.31 + 7.2 = ? (a) 12.41 (b) 12.51 (c) 12.61 (d) 6.03
  5. 5.What is the value of the digit 7 in 52.719? (a) 0.007 (b) 7 (c) 0.07 (d) 0.7
  6. 6.What is the value of the digit 7 in 43.978? (a) 0.7 (b) 7 (c) 0.007 (d) 0.07
  7. 7.What is the value of the digit 2 in 12.579? (a) 2 (b) 0.02 (c) 20 (d) 0.2
  8. 8.What is the value of the digit 6 in 26.985? (a) 60 (b) 0.6 (c) 0.06 (d) 6
  9. 9.What is the value of the digit 6 in 65.314? (a) 0.6 (b) 6 (c) 60 (d) 0.06
  10. 10.9.96 + 3.6 = ? (a) 10.32 (b) 13.66 (c) 13.56 (d) 13.46
  11. 11.What is the value of the digit 7 in 68.471? (a) 0.007 (b) 0.7 (c) 7 (d) 0.07
  12. 12.Which is the smallest: 0.39, 0.287, 0.3, 0.022? (a) 0.39 (b) 0.287 (c) 0.3 (d) 0.022
  13. 13.What is the value of the digit 4 in 74.952? (a) 40 (b) 0.04 (c) 4 (d) 0.4
  14. 14.What is the value of the digit 3 in 34.261? (a) 3 (b) 0.3 (c) 0.03 (d) 30
  15. 15.4.81 + 9.7 = ? (a) 14.51 (b) 14.61 (c) 14.41 (d) 5.78
  16. 16.Which is the greatest: 0.37, 0.3, 0.018, 0.262? (a) 0.37 (b) 0.3 (c) 0.018 (d) 0.262
  17. 17.Which is the smallest: 0.264, 0.3, 0.34, 0.042? (a) 0.264 (b) 0.3 (c) 0.34 (d) 0.042
  18. 18.What is the value of the digit 7 in 15.627? (a) 0.7 (b) 7 (c) 0.07 (d) 0.007
  19. 19.What is the value of the digit 5 in 95.672? (a) 0.05 (b) 50 (c) 5 (d) 0.5
  20. 20.Which is the smallest: 0.038, 0.418, 0.58, 0.5? (a) 0.038 (b) 0.418 (c) 0.58 (d) 0.5
  21. 21.What is the value of the digit 9 in 59.687? (a) 90 (b) 9 (c) 0.09 (d) 0.9
  22. 22.4.15 + 2.2 = ? (a) 6.45 (b) 6.25 (c) 6.35 (d) 4.37
  23. 23.9.54 + 6.5 = ? (a) 16.14 (b) 10.19 (c) 16.04 (d) 15.94
  24. 24.7.69 + 6.8 = ? (a) 14.39 (b) 14.49 (c) 14.59 (d) 8.37
  25. 25.What is the value of the digit 9 in 23.958? (a) 0.009 (b) 0.09 (c) 0.9 (d) 9
  26. 26.2.81 + 2.7 = ? (a) 5.51 (b) 3.08 (c) 5.41 (d) 5.61
  27. 27.What is the value of the digit 1 in 27.819? (a) 0.01 (b) 0.1 (c) 1 (d) 0.001
  28. 28.Which is the greatest: 0.013, 0.47, 0.4, 0.333? (a) 0.013 (b) 0.47 (c) 0.4 (d) 0.333
  29. 29.What is the value of the digit 1 in 51.623? (a) 1 (b) 0.1 (c) 10 (d) 0.01
  30. 30.What is the value of the digit 4 in 21.495? (a) 4 (b) 0.4 (c) 0.04 (d) 0.004
  31. 31.Which is the greatest: 0.4, 0.334, 0.41, 0.059? (a) 0.4 (b) 0.334 (c) 0.41 (d) 0.059
  32. 32.Which is the greatest: 0.47, 0.362, 0.034, 0.4? (a) 0.47 (b) 0.362 (c) 0.034 (d) 0.4
  33. 33.7.16 + 6.1 = ? (a) 13.36 (b) 7.77 (c) 13.16 (d) 13.26
  34. 34.What is the value of the digit 2 in 42.891? (a) 0.02 (b) 20 (c) 2 (d) 0.2
  35. 35.What is the value of the digit 4 in 63.428? (a) 0.004 (b) 0.4 (c) 0.04 (d) 4
  36. 36.Which is the greatest: 0.073, 0.6, 0.525, 0.67? (a) 0.073 (b) 0.6 (c) 0.525 (d) 0.67
  37. 37.Which is the greatest: 0.27, 0.158, 0.2, 0.051? (a) 0.27 (b) 0.158 (c) 0.2 (d) 0.051
  38. 38.What is the value of the digit 9 in 94.618? (a) 9 (b) 0.09 (c) 0.9 (d) 90
  39. 39.What is the value of the digit 1 in 48.731? (a) 0.001 (b) 1 (c) 0.01 (d) 0.1
  40. 40.Which is the greatest: 0.68, 0.585, 0.068, 0.6? (a) 0.68 (b) 0.585 (c) 0.068 (d) 0.6

Answer key

  1. 0.08
  2. 10.01
  3. 0.88
  4. 12.51
  5. 0.7
  6. 0.07
  7. 2
  8. 6
  9. 60
  10. 13.56
  11. 0.07
  12. 0.022
  13. 4
  14. 30
  15. 14.51
  16. 0.37
  17. 0.042
  18. 0.007
  19. 5
  20. 0.038
  21. 9
  22. 6.35
  23. 16.04
  24. 14.49
  25. 0.9
  26. 5.51
  27. 0.01
  28. 0.47
  29. 1
  30. 0.4
  31. 0.41
  32. 0.47
  33. 13.26
  34. 2
  35. 0.4
  36. 0.67
  37. 0.27
  38. 90
  39. 0.001
  40. 0.68

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