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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 252 · 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 9 in 37.196? (a) 0.9 (b) 0.09 (c) 9 (d) 0.009
  2. 2.Which is the smallest: 0.612, 0.031, 0.71, 0.7? (a) 0.612 (b) 0.031 (c) 0.71 (d) 0.7
  3. 3.8.43 + 9.1 = ? (a) 17.63 (b) 17.43 (c) 17.53 (d) 9.34
  4. 4.Which is the smallest: 0.72, 0.673, 0.037, 0.7? (a) 0.72 (b) 0.673 (c) 0.037 (d) 0.7
  5. 5.What is the value of the digit 2 in 82.439? (a) 0.2 (b) 20 (c) 2 (d) 0.02
  6. 6.Which is the greatest: 0.244, 0.33, 0.066, 0.3? (a) 0.244 (b) 0.33 (c) 0.066 (d) 0.3
  7. 7.What is the value of the digit 9 in 92.346? (a) 0.09 (b) 90 (c) 0.9 (d) 9
  8. 8.Which is the greatest: 0.231, 0.3, 0.37, 0.022? (a) 0.231 (b) 0.3 (c) 0.37 (d) 0.022
  9. 9.5.92 + 3.7 = ? (a) 9.62 (b) 9.72 (c) 6.29 (d) 9.52
  10. 10.Which is the greatest: 0.493, 0.53, 0.5, 0.018? (a) 0.493 (b) 0.53 (c) 0.5 (d) 0.018
  11. 11.Which is the greatest: 0.012, 0.2, 0.131, 0.21? (a) 0.012 (b) 0.2 (c) 0.131 (d) 0.21
  12. 12.What is the value of the digit 3 in 48.923? (a) 0.3 (b) 0.03 (c) 0.003 (d) 3
  13. 13.Which is the greatest: 0.27, 0.138, 0.2, 0.049? (a) 0.27 (b) 0.138 (c) 0.2 (d) 0.049
  14. 14.What is the value of the digit 8 in 68.195? (a) 80 (b) 0.08 (c) 8 (d) 0.8
  15. 15.Which is the smallest: 0.4, 0.369, 0.45, 0.022? (a) 0.4 (b) 0.369 (c) 0.45 (d) 0.022
  16. 16.Which is the greatest: 0.034, 0.237, 0.38, 0.3? (a) 0.034 (b) 0.237 (c) 0.38 (d) 0.3
  17. 17.2.89 + 1.2 = ? (a) 3.99 (b) 4.09 (c) 3.01 (d) 4.19
  18. 18.What is the value of the digit 9 in 39.641? (a) 0.9 (b) 0.09 (c) 90 (d) 9
  19. 19.1.07 + 2.5 = ? (a) 3.67 (b) 1.32 (c) 3.47 (d) 3.57
  20. 20.1.84 + 3.1 = ? (a) 4.94 (b) 5.04 (c) 4.84 (d) 2.15
  21. 21.What is the value of the digit 3 in 23.476? (a) 0.3 (b) 0.03 (c) 3 (d) 30
  22. 22.Which is the smallest: 0.42, 0.4, 0.077, 0.398? (a) 0.42 (b) 0.4 (c) 0.077 (d) 0.398
  23. 23.2.34 + 9.1 = ? (a) 11.44 (b) 11.34 (c) 3.25 (d) 11.54
  24. 24.Which is the smallest: 0.79, 0.058, 0.7, 0.616? (a) 0.79 (b) 0.058 (c) 0.7 (d) 0.616
  25. 25.What is the value of the digit 5 in 52.467? (a) 0.05 (b) 50 (c) 0.5 (d) 5
  26. 26.Which is the greatest: 0.5, 0.423, 0.054, 0.59? (a) 0.5 (b) 0.423 (c) 0.054 (d) 0.59
  27. 27.2.74 + 3.8 = ? (a) 6.44 (b) 6.64 (c) 6.54 (d) 3.12
  28. 28.Which is the greatest: 0.37, 0.245, 0.011, 0.3? (a) 0.37 (b) 0.245 (c) 0.011 (d) 0.3
  29. 29.What is the value of the digit 5 in 38.956? (a) 0.005 (b) 0.05 (c) 5 (d) 0.5
  30. 30.6.21 + 8.2 = ? (a) 7.03 (b) 14.51 (c) 14.31 (d) 14.41
  31. 31.What is the value of the digit 5 in 91.576? (a) 0.005 (b) 5 (c) 0.5 (d) 0.05
  32. 32.What is the value of the digit 8 in 94.687? (a) 0.008 (b) 0.8 (c) 8 (d) 0.08
  33. 33.3.47 + 6.2 = ? (a) 4.09 (b) 9.57 (c) 9.77 (d) 9.67
  34. 34.7.59 + 3.1 = ? (a) 10.59 (b) 10.69 (c) 10.79 (d) 7.9
  35. 35.What is the value of the digit 7 in 78.956? (a) 7 (b) 0.07 (c) 0.7 (d) 70
  36. 36.What is the value of the digit 7 in 27.159? (a) 0.7 (b) 0.07 (c) 70 (d) 7
  37. 37.Which is the smallest: 0.029, 0.413, 0.5, 0.53? (a) 0.029 (b) 0.413 (c) 0.5 (d) 0.53
  38. 38.What is the value of the digit 2 in 57.268? (a) 0.2 (b) 0.002 (c) 0.02 (d) 2
  39. 39.2.79 + 9.1 = ? (a) 11.89 (b) 11.99 (c) 11.79 (d) 3.7
  40. 40.What is the value of the digit 6 in 76.918? (a) 0.06 (b) 6 (c) 60 (d) 0.6

Answer key

  1. 0.09
  2. 0.031
  3. 17.53
  4. 0.037
  5. 2
  6. 0.33
  7. 90
  8. 0.37
  9. 9.62
  10. 0.53
  11. 0.21
  12. 0.003
  13. 0.27
  14. 8
  15. 0.022
  16. 0.38
  17. 4.09
  18. 9
  19. 3.57
  20. 4.94
  21. 3
  22. 0.077
  23. 11.44
  24. 0.058
  25. 50
  26. 0.59
  27. 6.54
  28. 0.37
  29. 0.05
  30. 14.41
  31. 0.5
  32. 0.08
  33. 9.67
  34. 10.69
  35. 70
  36. 7
  37. 0.029
  38. 0.2
  39. 11.89
  40. 6

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