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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 750 · 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 smallest: 0.69, 0.6, 0.528, 0.044? (a) 0.69 (b) 0.6 (c) 0.528 (d) 0.044
  2. 2.Which is the greatest: 0.213, 0.38, 0.079, 0.3? (a) 0.213 (b) 0.38 (c) 0.079 (d) 0.3
  3. 3.What is the value of the digit 6 in 63.715? (a) 0.6 (b) 6 (c) 0.06 (d) 60
  4. 4.Which is the greatest: 0.5, 0.465, 0.024, 0.54? (a) 0.5 (b) 0.465 (c) 0.024 (d) 0.54
  5. 5.What is the value of the digit 3 in 47.136? (a) 0.003 (b) 3 (c) 0.3 (d) 0.03
  6. 6.Which is the smallest: 0.654, 0.76, 0.7, 0.065? (a) 0.654 (b) 0.76 (c) 0.7 (d) 0.065
  7. 7.Which is the smallest: 0.75, 0.022, 0.7, 0.697? (a) 0.75 (b) 0.022 (c) 0.7 (d) 0.697
  8. 8.What is the value of the digit 1 in 67.541? (a) 0.1 (b) 0.001 (c) 0.01 (d) 1
  9. 9.1.37 + 5.7 = ? (a) 7.07 (b) 7.17 (c) 6.97 (d) 1.94
  10. 10.What is the value of the digit 6 in 53.926? (a) 6 (b) 0.006 (c) 0.6 (d) 0.06
  11. 11.What is the value of the digit 5 in 85.719? (a) 0.05 (b) 50 (c) 5 (d) 0.5
  12. 12.Which is the greatest: 0.26, 0.2, 0.078, 0.133? (a) 0.26 (b) 0.2 (c) 0.078 (d) 0.133
  13. 13.5.65 + 1.3 = ? (a) 6.85 (b) 7.05 (c) 5.78 (d) 6.95
  14. 14.2.78 + 2.7 = ? (a) 3.05 (b) 5.48 (c) 5.38 (d) 5.58
  15. 15.Which is the greatest: 0.626, 0.019, 0.72, 0.7? (a) 0.626 (b) 0.019 (c) 0.72 (d) 0.7
  16. 16.7.63 + 7.5 = ? (a) 15.13 (b) 15.23 (c) 15.03 (d) 8.38
  17. 17.What is the value of the digit 7 in 79.568? (a) 0.7 (b) 7 (c) 0.07 (d) 70
  18. 18.What is the value of the digit 1 in 84.193? (a) 0.001 (b) 1 (c) 0.1 (d) 0.01
  19. 19.Which is the greatest: 0.84, 0.8, 0.732, 0.024? (a) 0.84 (b) 0.8 (c) 0.732 (d) 0.024
  20. 20.7.82 + 2.5 = ? (a) 10.32 (b) 8.07 (c) 10.22 (d) 10.42
  21. 21.6.61 + 6.9 = ? (a) 13.51 (b) 7.3 (c) 13.41 (d) 13.61
  22. 22.What is the value of the digit 9 in 69.817? (a) 90 (b) 0.9 (c) 0.09 (d) 9
  23. 23.What is the value of the digit 3 in 28.735? (a) 0.003 (b) 0.03 (c) 0.3 (d) 3
  24. 24.Which is the smallest: 0.51, 0.492, 0.062, 0.5? (a) 0.51 (b) 0.492 (c) 0.062 (d) 0.5
  25. 25.What is the value of the digit 6 in 62.831? (a) 6 (b) 0.6 (c) 60 (d) 0.06
  26. 26.Which is the greatest: 0.39, 0.225, 0.3, 0.027? (a) 0.39 (b) 0.225 (c) 0.3 (d) 0.027
  27. 27.What is the value of the digit 2 in 76.132? (a) 0.02 (b) 2 (c) 0.2 (d) 0.002
  28. 28.4.51 + 2.4 = ? (a) 6.91 (b) 4.75 (c) 7.01 (d) 6.81
  29. 29.6.82 + 3.3 = ? (a) 10.12 (b) 10.02 (c) 7.15 (d) 10.22
  30. 30.Which is the greatest: 0.023, 0.287, 0.38, 0.3? (a) 0.023 (b) 0.287 (c) 0.38 (d) 0.3
  31. 31.6.51 + 5.9 = ? (a) 7.1 (b) 12.51 (c) 12.31 (d) 12.41
  32. 32.What is the value of the digit 1 in 14.685? (a) 0.01 (b) 0.1 (c) 1 (d) 10
  33. 33.Which is the greatest: 0.399, 0.49, 0.093, 0.4? (a) 0.399 (b) 0.49 (c) 0.093 (d) 0.4
  34. 34.Which is the smallest: 0.69, 0.048, 0.6, 0.576? (a) 0.69 (b) 0.048 (c) 0.6 (d) 0.576
  35. 35.Which is the greatest: 0.83, 0.049, 0.8, 0.739? (a) 0.83 (b) 0.049 (c) 0.8 (d) 0.739
  36. 36.What is the value of the digit 4 in 92.784? (a) 0.04 (b) 4 (c) 0.004 (d) 0.4
  37. 37.9.24 + 4.9 = ? (a) 9.73 (b) 14.04 (c) 14.14 (d) 14.24
  38. 38.What is the value of the digit 7 in 53.197? (a) 7 (b) 0.07 (c) 0.7 (d) 0.007
  39. 39.Which is the smallest: 0.685, 0.011, 0.73, 0.7? (a) 0.685 (b) 0.011 (c) 0.73 (d) 0.7
  40. 40.What is the value of the digit 3 in 68.312? (a) 0.003 (b) 0.03 (c) 0.3 (d) 3

Answer key

  1. 0.044
  2. 0.38
  3. 60
  4. 0.54
  5. 0.03
  6. 0.065
  7. 0.022
  8. 0.001
  9. 7.07
  10. 0.006
  11. 5
  12. 0.26
  13. 6.95
  14. 5.48
  15. 0.72
  16. 15.13
  17. 70
  18. 0.1
  19. 0.84
  20. 10.32
  21. 13.51
  22. 9
  23. 0.03
  24. 0.062
  25. 60
  26. 0.39
  27. 0.002
  28. 6.91
  29. 10.12
  30. 0.38
  31. 12.41
  32. 10
  33. 0.49
  34. 0.048
  35. 0.83
  36. 0.004
  37. 14.14
  38. 0.007
  39. 0.011
  40. 0.3

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