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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 624 · 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 53.271? (a) 0.07 (b) 0.007 (c) 7 (d) 0.7
  2. 2.What is the value of the digit 5 in 75.614? (a) 0.5 (b) 50 (c) 0.05 (d) 5
  3. 3.4.39 + 4.1 = ? (a) 8.59 (b) 8.49 (c) 4.8 (d) 8.39
  4. 4.What is the value of the digit 9 in 52.961? (a) 0.009 (b) 9 (c) 0.9 (d) 0.09
  5. 5.9.14 + 4.9 = ? (a) 14.04 (b) 9.63 (c) 13.94 (d) 14.14
  6. 6.Which is the greatest: 0.62, 0.028, 0.532, 0.6? (a) 0.62 (b) 0.028 (c) 0.532 (d) 0.6
  7. 7.What is the value of the digit 3 in 13.685? (a) 30 (b) 0.03 (c) 3 (d) 0.3
  8. 8.Which is the greatest: 0.059, 0.21, 0.117, 0.2? (a) 0.059 (b) 0.21 (c) 0.117 (d) 0.2
  9. 9.4.31 + 3.1 = ? (a) 7.31 (b) 4.62 (c) 7.41 (d) 7.51
  10. 10.Which is the smallest: 0.6, 0.021, 0.516, 0.65? (a) 0.6 (b) 0.021 (c) 0.516 (d) 0.65
  11. 11.What is the value of the digit 1 in 14.967? (a) 0.01 (b) 0.1 (c) 10 (d) 1
  12. 12.Which is the greatest: 0.7, 0.096, 0.646, 0.73? (a) 0.7 (b) 0.096 (c) 0.646 (d) 0.73
  13. 13.Which is the greatest: 0.2, 0.23, 0.046, 0.152? (a) 0.2 (b) 0.23 (c) 0.046 (d) 0.152
  14. 14.What is the value of the digit 9 in 26.849? (a) 0.09 (b) 0.009 (c) 9 (d) 0.9
  15. 15.What is the value of the digit 1 in 91.672? (a) 0.1 (b) 0.01 (c) 10 (d) 1
  16. 16.What is the value of the digit 4 in 54.172? (a) 0.4 (b) 0.04 (c) 4 (d) 40
  17. 17.Which is the greatest: 0.49, 0.052, 0.378, 0.4? (a) 0.49 (b) 0.052 (c) 0.378 (d) 0.4
  18. 18.What is the value of the digit 4 in 82.431? (a) 0.4 (b) 4 (c) 0.04 (d) 0.004
  19. 19.Which is the smallest: 0.067, 0.4, 0.42, 0.384? (a) 0.067 (b) 0.4 (c) 0.42 (d) 0.384
  20. 20.What is the value of the digit 9 in 86.932? (a) 0.009 (b) 0.09 (c) 9 (d) 0.9
  21. 21.Which is the smallest: 0.2, 0.25, 0.136, 0.079? (a) 0.2 (b) 0.25 (c) 0.136 (d) 0.079
  22. 22.Which is the smallest: 0.54, 0.472, 0.5, 0.072? (a) 0.54 (b) 0.472 (c) 0.5 (d) 0.072
  23. 23.1.25 + 1.2 = ? (a) 1.37 (b) 2.45 (c) 2.35 (d) 2.55
  24. 24.Which is the greatest: 0.558, 0.072, 0.6, 0.62? (a) 0.558 (b) 0.072 (c) 0.6 (d) 0.62
  25. 25.2.11 + 4.1 = ? (a) 6.31 (b) 6.21 (c) 2.52 (d) 6.11
  26. 26.9.65 + 2.8 = ? (a) 12.35 (b) 12.55 (c) 9.93 (d) 12.45
  27. 27.7.73 + 4.8 = ? (a) 12.53 (b) 8.21 (c) 12.43 (d) 12.63
  28. 28.What is the value of the digit 1 in 51.843? (a) 0.01 (b) 1 (c) 10 (d) 0.1
  29. 29.Which is the greatest: 0.3, 0.233, 0.029, 0.38? (a) 0.3 (b) 0.233 (c) 0.029 (d) 0.38
  30. 30.1.26 + 9.6 = ? (a) 10.96 (b) 2.22 (c) 10.76 (d) 10.86
  31. 31.8.71 + 8.7 = ? (a) 17.51 (b) 17.31 (c) 17.41 (d) 9.58
  32. 32.7.77 + 2.6 = ? (a) 10.27 (b) 8.03 (c) 10.47 (d) 10.37
  33. 33.Which is the greatest: 0.631, 0.062, 0.75, 0.7? (a) 0.631 (b) 0.062 (c) 0.75 (d) 0.7
  34. 34.5.81 + 9.2 = ? (a) 15.01 (b) 15.11 (c) 14.91 (d) 6.73
  35. 35.Which is the smallest: 0.3, 0.236, 0.093, 0.32? (a) 0.3 (b) 0.236 (c) 0.093 (d) 0.32
  36. 36.2.35 + 4.1 = ? (a) 2.76 (b) 6.55 (c) 6.35 (d) 6.45
  37. 37.Which is the greatest: 0.762, 0.83, 0.8, 0.075? (a) 0.762 (b) 0.83 (c) 0.8 (d) 0.075
  38. 38.What is the value of the digit 7 in 36.817? (a) 7 (b) 0.007 (c) 0.07 (d) 0.7
  39. 39.2.51 + 6.3 = ? (a) 8.91 (b) 3.14 (c) 8.71 (d) 8.81
  40. 40.Which is the greatest: 0.73, 0.036, 0.685, 0.7? (a) 0.73 (b) 0.036 (c) 0.685 (d) 0.7

Answer key

  1. 0.07
  2. 5
  3. 8.49
  4. 0.9
  5. 14.04
  6. 0.62
  7. 3
  8. 0.21
  9. 7.41
  10. 0.021
  11. 10
  12. 0.73
  13. 0.23
  14. 0.009
  15. 1
  16. 4
  17. 0.49
  18. 0.4
  19. 0.067
  20. 0.9
  21. 0.079
  22. 0.072
  23. 2.45
  24. 0.62
  25. 6.21
  26. 12.45
  27. 12.53
  28. 1
  29. 0.38
  30. 10.86
  31. 17.41
  32. 10.37
  33. 0.75
  34. 15.01
  35. 0.093
  36. 6.45
  37. 0.83
  38. 0.007
  39. 8.81
  40. 0.73

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