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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 576 · 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 43.697? (a) 7 (b) 0.007 (c) 0.7 (d) 0.07
  2. 2.What is the value of the digit 6 in 36.915? (a) 0.06 (b) 60 (c) 6 (d) 0.6
  3. 3.Which is the smallest: 0.026, 0.7, 0.658, 0.74? (a) 0.026 (b) 0.7 (c) 0.658 (d) 0.74
  4. 4.Which is the greatest: 0.32, 0.3, 0.238, 0.018? (a) 0.32 (b) 0.3 (c) 0.238 (d) 0.018
  5. 5.5.51 + 2.7 = ? (a) 8.21 (b) 5.78 (c) 8.11 (d) 8.31
  6. 6.3.97 + 9.1 = ? (a) 12.97 (b) 4.88 (c) 13.17 (d) 13.07
  7. 7.Which is the greatest: 0.27, 0.2, 0.111, 0.094? (a) 0.27 (b) 0.2 (c) 0.111 (d) 0.094
  8. 8.Which is the smallest: 0.37, 0.3, 0.219, 0.026? (a) 0.37 (b) 0.3 (c) 0.219 (d) 0.026
  9. 9.9.31 + 2.2 = ? (a) 11.51 (b) 11.41 (c) 9.53 (d) 11.61
  10. 10.What is the value of the digit 8 in 91.826? (a) 0.008 (b) 0.08 (c) 8 (d) 0.8
  11. 11.7.24 + 7.5 = ? (a) 14.84 (b) 14.64 (c) 14.74 (d) 7.99
  12. 12.6.57 + 2.2 = ? (a) 6.79 (b) 8.77 (c) 8.67 (d) 8.87
  13. 13.7.69 + 3.7 = ? (a) 11.29 (b) 11.39 (c) 8.06 (d) 11.49
  14. 14.9.67 + 1.8 = ? (a) 11.37 (b) 11.57 (c) 9.85 (d) 11.47
  15. 15.Which is the smallest: 0.094, 0.295, 0.31, 0.3? (a) 0.094 (b) 0.295 (c) 0.31 (d) 0.3
  16. 16.What is the value of the digit 7 in 27.196? (a) 70 (b) 7 (c) 0.7 (d) 0.07
  17. 17.4.57 + 8.4 = ? (a) 12.87 (b) 5.41 (c) 12.97 (d) 13.07
  18. 18.3.46 + 5.4 = ? (a) 4 (b) 8.76 (c) 8.96 (d) 8.86
  19. 19.2.21 + 3.7 = ? (a) 5.91 (b) 6.01 (c) 2.58 (d) 5.81
  20. 20.What is the value of the digit 8 in 87.465? (a) 8 (b) 0.08 (c) 80 (d) 0.8
  21. 21.Which is the greatest: 0.86, 0.722, 0.063, 0.8? (a) 0.86 (b) 0.722 (c) 0.063 (d) 0.8
  22. 22.Which is the smallest: 0.52, 0.059, 0.5, 0.417? (a) 0.52 (b) 0.059 (c) 0.5 (d) 0.417
  23. 23.Which is the smallest: 0.064, 0.796, 0.85, 0.8? (a) 0.064 (b) 0.796 (c) 0.85 (d) 0.8
  24. 24.6.61 + 3.4 = ? (a) 9.91 (b) 10.01 (c) 6.95 (d) 10.11
  25. 25.3.95 + 6.1 = ? (a) 10.15 (b) 4.56 (c) 9.95 (d) 10.05
  26. 26.Which is the greatest: 0.066, 0.5, 0.56, 0.489? (a) 0.066 (b) 0.5 (c) 0.56 (d) 0.489
  27. 27.9.41 + 6.2 = ? (a) 10.03 (b) 15.61 (c) 15.71 (d) 15.51
  28. 28.Which is the smallest: 0.4, 0.325, 0.016, 0.47? (a) 0.4 (b) 0.325 (c) 0.016 (d) 0.47
  29. 29.4.49 + 1.2 = ? (a) 5.69 (b) 4.61 (c) 5.79 (d) 5.59
  30. 30.3.36 + 6.9 = ? (a) 10.26 (b) 10.16 (c) 4.05 (d) 10.36
  31. 31.6.24 + 2.7 = ? (a) 8.94 (b) 9.04 (c) 6.51 (d) 8.84
  32. 32.4.38 + 8.9 = ? (a) 13.28 (b) 5.27 (c) 13.18 (d) 13.38
  33. 33.5.01 + 8.6 = ? (a) 13.61 (b) 13.51 (c) 13.71 (d) 5.87
  34. 34.What is the value of the digit 5 in 81.435? (a) 0.005 (b) 0.5 (c) 5 (d) 0.05
  35. 35.6.97 + 7.6 = ? (a) 7.73 (b) 14.67 (c) 14.57 (d) 14.47
  36. 36.Which is the smallest: 0.638, 0.044, 0.74, 0.7? (a) 0.638 (b) 0.044 (c) 0.74 (d) 0.7
  37. 37.What is the value of the digit 8 in 83.157? (a) 0.08 (b) 8 (c) 0.8 (d) 80
  38. 38.What is the value of the digit 7 in 17.568? (a) 0.7 (b) 7 (c) 0.07 (d) 70
  39. 39.What is the value of the digit 9 in 49.175? (a) 90 (b) 0.9 (c) 0.09 (d) 9
  40. 40.Which is the smallest: 0.27, 0.2, 0.186, 0.073? (a) 0.27 (b) 0.2 (c) 0.186 (d) 0.073

Answer key

  1. 0.007
  2. 6
  3. 0.026
  4. 0.32
  5. 8.21
  6. 13.07
  7. 0.27
  8. 0.026
  9. 11.51
  10. 0.8
  11. 14.74
  12. 8.77
  13. 11.39
  14. 11.47
  15. 0.094
  16. 7
  17. 12.97
  18. 8.86
  19. 5.91
  20. 80
  21. 0.86
  22. 0.059
  23. 0.064
  24. 10.01
  25. 10.05
  26. 0.56
  27. 15.61
  28. 0.016
  29. 5.69
  30. 10.26
  31. 8.94
  32. 13.28
  33. 13.61
  34. 0.005
  35. 14.57
  36. 0.044
  37. 80
  38. 7
  39. 9
  40. 0.073

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