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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 945 · 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 7 in 24.567? (a) 7 (b) 0.007 (c) 0.07 (d) 0.7
  2. 2.2.26 + 9.9 = ? (a) 3.25 (b) 12.06 (c) 12.16 (d) 12.26
  3. 3.3.43 + 7.4 = ? (a) 10.83 (b) 4.17 (c) 10.73 (d) 10.93
  4. 4.What is the value of the digit 2 in 62.314? (a) 0.02 (b) 2 (c) 0.2 (d) 20
  5. 5.2.91 + 7.1 = ? (a) 9.91 (b) 10.01 (c) 10.11 (d) 3.62
  6. 6.Which is the greatest: 0.771, 0.8, 0.061, 0.85? (a) 0.771 (b) 0.8 (c) 0.061 (d) 0.85
  7. 7.5.93 + 3.4 = ? (a) 9.23 (b) 6.27 (c) 9.33 (d) 9.43
  8. 8.7.25 + 3.1 = ? (a) 7.56 (b) 10.25 (c) 10.35 (d) 10.45
  9. 9.2.92 + 6.3 = ? (a) 9.32 (b) 3.55 (c) 9.22 (d) 9.12
  10. 10.4.22 + 3.3 = ? (a) 7.62 (b) 7.42 (c) 7.52 (d) 4.55
  11. 11.5.93 + 6.3 = ? (a) 12.23 (b) 12.13 (c) 6.56 (d) 12.33
  12. 12.What is the value of the digit 6 in 67.932? (a) 0.06 (b) 0.6 (c) 6 (d) 60
  13. 13.4.17 + 3.1 = ? (a) 7.37 (b) 7.27 (c) 7.17 (d) 4.48
  14. 14.What is the value of the digit 4 in 35.948? (a) 0.4 (b) 4 (c) 0.04 (d) 0.004
  15. 15.8.32 + 3.7 = ? (a) 12.12 (b) 12.02 (c) 11.92 (d) 8.69
  16. 16.Which is the greatest: 0.011, 0.516, 0.64, 0.6? (a) 0.011 (b) 0.516 (c) 0.64 (d) 0.6
  17. 17.6.75 + 3.8 = ? (a) 10.65 (b) 7.13 (c) 10.45 (d) 10.55
  18. 18.What is the value of the digit 7 in 65.271? (a) 0.007 (b) 0.07 (c) 7 (d) 0.7
  19. 19.9.44 + 3.5 = ? (a) 13.04 (b) 9.79 (c) 12.84 (d) 12.94
  20. 20.Which is the greatest: 0.037, 0.225, 0.3, 0.33? (a) 0.037 (b) 0.225 (c) 0.3 (d) 0.33
  21. 21.Which is the greatest: 0.049, 0.77, 0.7, 0.628? (a) 0.049 (b) 0.77 (c) 0.7 (d) 0.628
  22. 22.What is the value of the digit 9 in 34.619? (a) 0.9 (b) 0.09 (c) 0.009 (d) 9
  23. 23.What is the value of the digit 2 in 18.324? (a) 0.2 (b) 2 (c) 0.02 (d) 0.002
  24. 24.What is the value of the digit 6 in 26.317? (a) 0.6 (b) 6 (c) 60 (d) 0.06
  25. 25.5.76 + 8.8 = ? (a) 6.64 (b) 14.66 (c) 14.46 (d) 14.56
  26. 26.What is the value of the digit 6 in 26.794? (a) 0.6 (b) 60 (c) 0.06 (d) 6
  27. 27.Which is the greatest: 0.84, 0.736, 0.026, 0.8? (a) 0.84 (b) 0.736 (c) 0.026 (d) 0.8
  28. 28.Which is the greatest: 0.57, 0.5, 0.077, 0.433? (a) 0.57 (b) 0.5 (c) 0.077 (d) 0.433
  29. 29.8.55 + 2.2 = ? (a) 10.65 (b) 10.85 (c) 10.75 (d) 8.77
  30. 30.Which is the smallest: 0.646, 0.033, 0.72, 0.7? (a) 0.646 (b) 0.033 (c) 0.72 (d) 0.7
  31. 31.7.43 + 9.6 = ? (a) 17.03 (b) 16.93 (c) 8.39 (d) 17.13
  32. 32.Which is the smallest: 0.88, 0.8, 0.727, 0.094? (a) 0.88 (b) 0.8 (c) 0.727 (d) 0.094
  33. 33.9.37 + 4.5 = ? (a) 9.82 (b) 13.97 (c) 13.77 (d) 13.87
  34. 34.8.86 + 6.8 = ? (a) 9.54 (b) 15.66 (c) 15.76 (d) 15.56
  35. 35.5.35 + 5.5 = ? (a) 10.95 (b) 10.75 (c) 5.9 (d) 10.85
  36. 36.Which is the greatest: 0.48, 0.329, 0.098, 0.4? (a) 0.48 (b) 0.329 (c) 0.098 (d) 0.4
  37. 37.Which is the greatest: 0.082, 0.7, 0.73, 0.632? (a) 0.082 (b) 0.7 (c) 0.73 (d) 0.632
  38. 38.1.13 + 1.6 = ? (a) 2.73 (b) 2.83 (c) 1.29 (d) 2.63
  39. 39.What is the value of the digit 8 in 86.915? (a) 80 (b) 0.8 (c) 0.08 (d) 8
  40. 40.Which is the smallest: 0.065, 0.89, 0.751, 0.8? (a) 0.065 (b) 0.89 (c) 0.751 (d) 0.8

Answer key

  1. 0.007
  2. 12.16
  3. 10.83
  4. 2
  5. 10.01
  6. 0.85
  7. 9.33
  8. 10.35
  9. 9.22
  10. 7.52
  11. 12.23
  12. 60
  13. 7.27
  14. 0.04
  15. 12.02
  16. 0.64
  17. 10.55
  18. 0.07
  19. 12.94
  20. 0.33
  21. 0.77
  22. 0.009
  23. 0.02
  24. 6
  25. 14.56
  26. 6
  27. 0.84
  28. 0.57
  29. 10.75
  30. 0.033
  31. 17.03
  32. 0.094
  33. 13.87
  34. 15.66
  35. 10.85
  36. 0.48
  37. 0.73
  38. 2.73
  39. 80
  40. 0.065

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