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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 378 · 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 4 in 41.235? (a) 0.4 (b) 0.04 (c) 4 (d) 40
  2. 2.What is the value of the digit 7 in 73.815? (a) 0.7 (b) 7 (c) 0.07 (d) 70
  3. 3.6.83 + 9.7 = ? (a) 7.8 (b) 16.63 (c) 16.53 (d) 16.43
  4. 4.Which is the greatest: 0.057, 0.313, 0.4, 0.49? (a) 0.057 (b) 0.313 (c) 0.4 (d) 0.49
  5. 5.What is the value of the digit 9 in 21.539? (a) 0.9 (b) 9 (c) 0.09 (d) 0.009
  6. 6.Which is the greatest: 0.48, 0.027, 0.4, 0.398? (a) 0.48 (b) 0.027 (c) 0.4 (d) 0.398
  7. 7.What is the value of the digit 2 in 58.324? (a) 0.002 (b) 2 (c) 0.02 (d) 0.2
  8. 8.Which is the greatest: 0.033, 0.752, 0.8, 0.87? (a) 0.033 (b) 0.752 (c) 0.8 (d) 0.87
  9. 9.7.93 + 1.4 = ? (a) 9.43 (b) 9.23 (c) 8.07 (d) 9.33
  10. 10.What is the value of the digit 5 in 19.568? (a) 0.05 (b) 5 (c) 0.005 (d) 0.5
  11. 11.Which is the smallest: 0.047, 0.39, 0.271, 0.3? (a) 0.047 (b) 0.39 (c) 0.271 (d) 0.3
  12. 12.2.71 + 5.2 = ? (a) 7.91 (b) 7.81 (c) 8.01 (d) 3.23
  13. 13.9.91 + 5.5 = ? (a) 15.41 (b) 10.46 (c) 15.31 (d) 15.51
  14. 14.1.47 + 4.4 = ? (a) 5.97 (b) 5.77 (c) 5.87 (d) 1.91
  15. 15.Which is the smallest: 0.54, 0.447, 0.093, 0.5? (a) 0.54 (b) 0.447 (c) 0.093 (d) 0.5
  16. 16.What is the value of the digit 6 in 62.537? (a) 6 (b) 0.6 (c) 60 (d) 0.06
  17. 17.Which is the greatest: 0.485, 0.54, 0.035, 0.5? (a) 0.485 (b) 0.54 (c) 0.035 (d) 0.5
  18. 18.What is the value of the digit 4 in 91.354? (a) 4 (b) 0.004 (c) 0.04 (d) 0.4
  19. 19.What is the value of the digit 9 in 52.691? (a) 9 (b) 0.9 (c) 0.009 (d) 0.09
  20. 20.Which is the greatest: 0.22, 0.2, 0.172, 0.051? (a) 0.22 (b) 0.2 (c) 0.172 (d) 0.051
  21. 21.6.67 + 3.8 = ? (a) 10.57 (b) 7.05 (c) 10.37 (d) 10.47
  22. 22.What is the value of the digit 1 in 17.396? (a) 10 (b) 0.01 (c) 0.1 (d) 1
  23. 23.Which is the greatest: 0.5, 0.057, 0.479, 0.55? (a) 0.5 (b) 0.057 (c) 0.479 (d) 0.55
  24. 24.1.89 + 3.3 = ? (a) 5.09 (b) 2.22 (c) 5.19 (d) 5.29
  25. 25.8.22 + 7.5 = ? (a) 15.62 (b) 15.82 (c) 8.97 (d) 15.72
  26. 26.9.66 + 9.5 = ? (a) 10.61 (b) 19.16 (c) 19.26 (d) 19.06
  27. 27.What is the value of the digit 3 in 48.325? (a) 0.3 (b) 0.003 (c) 3 (d) 0.03
  28. 28.Which is the smallest: 0.38, 0.256, 0.3, 0.028? (a) 0.38 (b) 0.256 (c) 0.3 (d) 0.028
  29. 29.Which is the smallest: 0.657, 0.077, 0.71, 0.7? (a) 0.657 (b) 0.077 (c) 0.71 (d) 0.7
  30. 30.What is the value of the digit 1 in 41.968? (a) 0.01 (b) 10 (c) 1 (d) 0.1
  31. 31.What is the value of the digit 6 in 95.326? (a) 0.06 (b) 0.006 (c) 0.6 (d) 6
  32. 32.Which is the greatest: 0.054, 0.8, 0.83, 0.781? (a) 0.054 (b) 0.8 (c) 0.83 (d) 0.781
  33. 33.Which is the smallest: 0.2, 0.21, 0.118, 0.095? (a) 0.2 (b) 0.21 (c) 0.118 (d) 0.095
  34. 34.What is the value of the digit 3 in 13.452? (a) 0.3 (b) 30 (c) 0.03 (d) 3
  35. 35.Which is the smallest: 0.646, 0.76, 0.7, 0.042? (a) 0.646 (b) 0.76 (c) 0.7 (d) 0.042
  36. 36.Which is the smallest: 0.8, 0.721, 0.059, 0.83? (a) 0.8 (b) 0.721 (c) 0.059 (d) 0.83
  37. 37.4.65 + 8.5 = ? (a) 13.15 (b) 5.5 (c) 13.25 (d) 13.05
  38. 38.What is the value of the digit 7 in 87.356? (a) 0.7 (b) 0.07 (c) 70 (d) 7
  39. 39.4.54 + 6.1 = ? (a) 10.64 (b) 5.15 (c) 10.74 (d) 10.54
  40. 40.What is the value of the digit 7 in 37.641? (a) 0.7 (b) 0.07 (c) 70 (d) 7

Answer key

  1. 40
  2. 70
  3. 16.53
  4. 0.49
  5. 0.009
  6. 0.48
  7. 0.02
  8. 0.87
  9. 9.33
  10. 0.5
  11. 0.047
  12. 7.91
  13. 15.41
  14. 5.87
  15. 0.093
  16. 60
  17. 0.54
  18. 0.004
  19. 0.09
  20. 0.22
  21. 10.47
  22. 10
  23. 0.55
  24. 5.19
  25. 15.72
  26. 19.16
  27. 0.3
  28. 0.028
  29. 0.077
  30. 1
  31. 0.006
  32. 0.83
  33. 0.095
  34. 3
  35. 0.042
  36. 0.059
  37. 13.15
  38. 7
  39. 10.64
  40. 7

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