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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 446 · 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 74.831? (a) 0.7 (b) 0.07 (c) 7 (d) 70
  2. 2.3.93 + 2.3 = ? (a) 6.23 (b) 6.13 (c) 4.16 (d) 6.33
  3. 3.Which is the smallest: 0.45, 0.083, 0.4, 0.321? (a) 0.45 (b) 0.083 (c) 0.4 (d) 0.321
  4. 4.What is the value of the digit 9 in 23.196? (a) 0.09 (b) 9 (c) 0.9 (d) 0.009
  5. 5.What is the value of the digit 8 in 82.473? (a) 0.08 (b) 0.8 (c) 8 (d) 80
  6. 6.What is the value of the digit 3 in 41.367? (a) 0.3 (b) 0.03 (c) 0.003 (d) 3
  7. 7.3.49 + 7.3 = ? (a) 4.22 (b) 10.89 (c) 10.69 (d) 10.79
  8. 8.Which is the greatest: 0.127, 0.2, 0.23, 0.044? (a) 0.127 (b) 0.2 (c) 0.23 (d) 0.044
  9. 9.1.01 + 1.3 = ? (a) 2.21 (b) 2.41 (c) 2.31 (d) 1.14
  10. 10.What is the value of the digit 6 in 19.764? (a) 0.06 (b) 6 (c) 0.006 (d) 0.6
  11. 11.What is the value of the digit 8 in 82.795? (a) 0.8 (b) 80 (c) 8 (d) 0.08
  12. 12.3.57 + 5.6 = ? (a) 9.27 (b) 9.17 (c) 9.07 (d) 4.13
  13. 13.What is the value of the digit 7 in 57.493? (a) 70 (b) 7 (c) 0.7 (d) 0.07
  14. 14.What is the value of the digit 3 in 76.325? (a) 0.3 (b) 3 (c) 0.03 (d) 0.003
  15. 15.Which is the greatest: 0.071, 0.87, 0.796, 0.8? (a) 0.071 (b) 0.87 (c) 0.796 (d) 0.8
  16. 16.4.06 + 4.8 = ? (a) 8.76 (b) 4.54 (c) 8.96 (d) 8.86
  17. 17.1.41 + 9.1 = ? (a) 10.41 (b) 10.51 (c) 10.61 (d) 2.32
  18. 18.8.71 + 7.1 = ? (a) 15.91 (b) 15.81 (c) 9.42 (d) 15.71
  19. 19.3.31 + 7.4 = ? (a) 4.05 (b) 10.71 (c) 10.81 (d) 10.61
  20. 20.Which is the greatest: 0.68, 0.6, 0.012, 0.598? (a) 0.68 (b) 0.6 (c) 0.012 (d) 0.598
  21. 21.4.11 + 6.3 = ? (a) 10.51 (b) 4.74 (c) 10.41 (d) 10.31
  22. 22.Which is the smallest: 0.2, 0.196, 0.25, 0.053? (a) 0.2 (b) 0.196 (c) 0.25 (d) 0.053
  23. 23.What is the value of the digit 2 in 21.497? (a) 2 (b) 0.2 (c) 0.02 (d) 20
  24. 24.5.38 + 3.4 = ? (a) 8.68 (b) 8.78 (c) 8.88 (d) 5.72
  25. 25.What is the value of the digit 1 in 64.198? (a) 1 (b) 0.1 (c) 0.01 (d) 0.001
  26. 26.What is the value of the digit 2 in 92.738? (a) 0.02 (b) 20 (c) 2 (d) 0.2
  27. 27.What is the value of the digit 3 in 12.634? (a) 3 (b) 0.3 (c) 0.03 (d) 0.003
  28. 28.Which is the greatest: 0.076, 0.726, 0.8, 0.81? (a) 0.076 (b) 0.726 (c) 0.8 (d) 0.81
  29. 29.What is the value of the digit 9 in 96.327? (a) 9 (b) 90 (c) 0.09 (d) 0.9
  30. 30.5.23 + 2.7 = ? (a) 7.93 (b) 7.83 (c) 8.03 (d) 5.5
  31. 31.Which is the greatest: 0.4, 0.093, 0.46, 0.333? (a) 0.4 (b) 0.093 (c) 0.46 (d) 0.333
  32. 32.4.79 + 6.9 = ? (a) 11.69 (b) 11.59 (c) 11.79 (d) 5.48
  33. 33.What is the value of the digit 3 in 21.539? (a) 3 (b) 0.003 (c) 0.03 (d) 0.3
  34. 34.What is the value of the digit 9 in 57.921? (a) 9 (b) 0.09 (c) 0.009 (d) 0.9
  35. 35.9.43 + 7.9 = ? (a) 17.43 (b) 10.22 (c) 17.33 (d) 17.23
  36. 36.Which is the greatest: 0.023, 0.6, 0.582, 0.62? (a) 0.023 (b) 0.6 (c) 0.582 (d) 0.62
  37. 37.What is the value of the digit 3 in 37.415? (a) 3 (b) 0.03 (c) 0.3 (d) 30
  38. 38.What is the value of the digit 9 in 97.654? (a) 0.9 (b) 0.09 (c) 90 (d) 9
  39. 39.2.63 + 4.5 = ? (a) 7.13 (b) 3.08 (c) 7.03 (d) 7.23
  40. 40.Which is the greatest: 0.234, 0.038, 0.37, 0.3? (a) 0.234 (b) 0.038 (c) 0.37 (d) 0.3

Answer key

  1. 70
  2. 6.23
  3. 0.083
  4. 0.09
  5. 80
  6. 0.3
  7. 10.79
  8. 0.23
  9. 2.31
  10. 0.06
  11. 80
  12. 9.17
  13. 7
  14. 0.3
  15. 0.87
  16. 8.86
  17. 10.51
  18. 15.81
  19. 10.71
  20. 0.68
  21. 10.41
  22. 0.053
  23. 20
  24. 8.78
  25. 0.1
  26. 2
  27. 0.03
  28. 0.81
  29. 90
  30. 7.93
  31. 0.46
  32. 11.69
  33. 0.03
  34. 0.9
  35. 17.33
  36. 0.62
  37. 30
  38. 90
  39. 7.13
  40. 0.37

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