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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 723 · 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 greatest: 0.462, 0.57, 0.5, 0.014? (a) 0.462 (b) 0.57 (c) 0.5 (d) 0.014
  2. 2.What is the value of the digit 2 in 29.673? (a) 2 (b) 20 (c) 0.02 (d) 0.2
  3. 3.Which is the smallest: 0.71, 0.639, 0.029, 0.7? (a) 0.71 (b) 0.639 (c) 0.029 (d) 0.7
  4. 4.Which is the greatest: 0.571, 0.65, 0.6, 0.057? (a) 0.571 (b) 0.65 (c) 0.6 (d) 0.057
  5. 5.2.44 + 6.7 = ? (a) 3.11 (b) 9.24 (c) 9.04 (d) 9.14
  6. 6.What is the value of the digit 6 in 43.762? (a) 0.6 (b) 0.006 (c) 0.06 (d) 6
  7. 7.2.56 + 1.7 = ? (a) 4.26 (b) 2.73 (c) 4.16 (d) 4.36
  8. 8.Which is the greatest: 0.42, 0.013, 0.377, 0.4? (a) 0.42 (b) 0.013 (c) 0.377 (d) 0.4
  9. 9.Which is the smallest: 0.5, 0.495, 0.57, 0.079? (a) 0.5 (b) 0.495 (c) 0.57 (d) 0.079
  10. 10.Which is the smallest: 0.468, 0.5, 0.53, 0.095? (a) 0.468 (b) 0.5 (c) 0.53 (d) 0.095
  11. 11.Which is the greatest: 0.8, 0.044, 0.788, 0.86? (a) 0.8 (b) 0.044 (c) 0.788 (d) 0.86
  12. 12.What is the value of the digit 7 in 42.789? (a) 0.007 (b) 7 (c) 0.7 (d) 0.07
  13. 13.What is the value of the digit 7 in 27.198? (a) 0.7 (b) 0.07 (c) 70 (d) 7
  14. 14.7.99 + 2.2 = ? (a) 10.19 (b) 8.21 (c) 10.29 (d) 10.09
  15. 15.Which is the greatest: 0.51, 0.431, 0.082, 0.5? (a) 0.51 (b) 0.431 (c) 0.082 (d) 0.5
  16. 16.Which is the greatest: 0.78, 0.632, 0.012, 0.7? (a) 0.78 (b) 0.632 (c) 0.012 (d) 0.7
  17. 17.What is the value of the digit 4 in 13.452? (a) 0.004 (b) 0.04 (c) 4 (d) 0.4
  18. 18.Which is the smallest: 0.75, 0.638, 0.7, 0.062? (a) 0.75 (b) 0.638 (c) 0.7 (d) 0.062
  19. 19.What is the value of the digit 2 in 86.274? (a) 0.002 (b) 2 (c) 0.2 (d) 0.02
  20. 20.1.98 + 4.9 = ? (a) 6.88 (b) 2.47 (c) 6.78 (d) 6.98
  21. 21.What is the value of the digit 8 in 17.328? (a) 0.08 (b) 0.8 (c) 8 (d) 0.008
  22. 22.What is the value of the digit 7 in 51.967? (a) 7 (b) 0.07 (c) 0.007 (d) 0.7
  23. 23.1.47 + 3.1 = ? (a) 4.57 (b) 4.47 (c) 1.78 (d) 4.67
  24. 24.3.56 + 7.1 = ? (a) 10.56 (b) 4.27 (c) 10.76 (d) 10.66
  25. 25.Which is the greatest: 0.43, 0.4, 0.055, 0.335? (a) 0.43 (b) 0.4 (c) 0.055 (d) 0.335
  26. 26.2.41 + 9.6 = ? (a) 12.01 (b) 3.37 (c) 12.11 (d) 11.91
  27. 27.Which is the smallest: 0.55, 0.5, 0.071, 0.414? (a) 0.55 (b) 0.5 (c) 0.071 (d) 0.414
  28. 28.Which is the greatest: 0.45, 0.328, 0.4, 0.021? (a) 0.45 (b) 0.328 (c) 0.4 (d) 0.021
  29. 29.Which is the greatest: 0.168, 0.2, 0.29, 0.093? (a) 0.168 (b) 0.2 (c) 0.29 (d) 0.093
  30. 30.3.96 + 8.5 = ? (a) 4.81 (b) 12.36 (c) 12.46 (d) 12.56
  31. 31.Which is the smallest: 0.066, 0.773, 0.8, 0.81? (a) 0.066 (b) 0.773 (c) 0.8 (d) 0.81
  32. 32.Which is the smallest: 0.8, 0.87, 0.042, 0.775? (a) 0.8 (b) 0.87 (c) 0.042 (d) 0.775
  33. 33.Which is the greatest: 0.22, 0.022, 0.2, 0.112? (a) 0.22 (b) 0.022 (c) 0.2 (d) 0.112
  34. 34.Which is the greatest: 0.053, 0.632, 0.71, 0.7? (a) 0.053 (b) 0.632 (c) 0.71 (d) 0.7
  35. 35.9.42 + 5.4 = ? (a) 14.82 (b) 9.96 (c) 14.92 (d) 14.72
  36. 36.What is the value of the digit 5 in 87.954? (a) 5 (b) 0.005 (c) 0.05 (d) 0.5
  37. 37.What is the value of the digit 3 in 75.341? (a) 3 (b) 0.3 (c) 0.003 (d) 0.03
  38. 38.What is the value of the digit 1 in 13.592? (a) 0.01 (b) 1 (c) 0.1 (d) 10
  39. 39.5.47 + 2.4 = ? (a) 7.97 (b) 5.71 (c) 7.77 (d) 7.87
  40. 40.What is the value of the digit 2 in 13.792? (a) 0.02 (b) 2 (c) 0.002 (d) 0.2

Answer key

  1. 0.57
  2. 20
  3. 0.029
  4. 0.65
  5. 9.14
  6. 0.06
  7. 4.26
  8. 0.42
  9. 0.079
  10. 0.095
  11. 0.86
  12. 0.7
  13. 7
  14. 10.19
  15. 0.51
  16. 0.78
  17. 0.4
  18. 0.062
  19. 0.2
  20. 6.88
  21. 0.008
  22. 0.007
  23. 4.57
  24. 10.66
  25. 0.43
  26. 12.01
  27. 0.071
  28. 0.45
  29. 0.29
  30. 12.46
  31. 0.066
  32. 0.042
  33. 0.22
  34. 0.71
  35. 14.82
  36. 0.05
  37. 0.3
  38. 10
  39. 7.87
  40. 0.002

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