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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 66 · 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 1 in 19.452? (a) 0.1 (b) 1 (c) 0.01 (d) 10
  2. 2.What is the value of the digit 6 in 46.713? (a) 6 (b) 0.6 (c) 60 (d) 0.06
  3. 3.What is the value of the digit 8 in 89.532? (a) 80 (b) 8 (c) 0.8 (d) 0.08
  4. 4.6.08 + 5.2 = ? (a) 6.6 (b) 11.38 (c) 11.18 (d) 11.28
  5. 5.What is the value of the digit 2 in 94.217? (a) 2 (b) 0.002 (c) 0.02 (d) 0.2
  6. 6.What is the value of the digit 8 in 21.856? (a) 0.08 (b) 8 (c) 0.008 (d) 0.8
  7. 7.Which is the smallest: 0.2, 0.22, 0.061, 0.132? (a) 0.2 (b) 0.22 (c) 0.061 (d) 0.132
  8. 8.Which is the smallest: 0.092, 0.489, 0.5, 0.58? (a) 0.092 (b) 0.489 (c) 0.5 (d) 0.58
  9. 9.What is the value of the digit 4 in 41.298? (a) 0.4 (b) 0.04 (c) 40 (d) 4
  10. 10.What is the value of the digit 2 in 43.216? (a) 0.2 (b) 0.02 (c) 2 (d) 0.002
  11. 11.What is the value of the digit 5 in 69.715? (a) 5 (b) 0.5 (c) 0.05 (d) 0.005
  12. 12.Which is the smallest: 0.87, 0.799, 0.8, 0.079? (a) 0.87 (b) 0.799 (c) 0.8 (d) 0.079
  13. 13.Which is the greatest: 0.273, 0.39, 0.011, 0.3? (a) 0.273 (b) 0.39 (c) 0.011 (d) 0.3
  14. 14.6.29 + 5.7 = ? (a) 11.89 (b) 12.09 (c) 11.99 (d) 6.86
  15. 15.Which is the greatest: 0.613, 0.061, 0.7, 0.77? (a) 0.613 (b) 0.061 (c) 0.7 (d) 0.77
  16. 16.What is the value of the digit 6 in 42.167? (a) 0.006 (b) 6 (c) 0.6 (d) 0.06
  17. 17.6.43 + 6.3 = ? (a) 7.06 (b) 12.83 (c) 12.73 (d) 12.63
  18. 18.What is the value of the digit 6 in 14.692? (a) 6 (b) 0.6 (c) 0.006 (d) 0.06
  19. 19.7.59 + 5.6 = ? (a) 13.09 (b) 13.29 (c) 13.19 (d) 8.15
  20. 20.Which is the smallest: 0.153, 0.054, 0.23, 0.2? (a) 0.153 (b) 0.054 (c) 0.23 (d) 0.2
  21. 21.8.82 + 7.9 = ? (a) 9.61 (b) 16.72 (c) 16.62 (d) 16.82
  22. 22.What is the value of the digit 5 in 94.653? (a) 5 (b) 0.05 (c) 0.5 (d) 0.005
  23. 23.Which is the smallest: 0.489, 0.55, 0.5, 0.023? (a) 0.489 (b) 0.55 (c) 0.5 (d) 0.023
  24. 24.6.46 + 5.3 = ? (a) 11.76 (b) 6.99 (c) 11.66 (d) 11.86
  25. 25.Which is the greatest: 0.3, 0.244, 0.39, 0.099? (a) 0.3 (b) 0.244 (c) 0.39 (d) 0.099
  26. 26.1.84 + 4.5 = ? (a) 6.44 (b) 6.34 (c) 2.29 (d) 6.24
  27. 27.1.46 + 1.7 = ? (a) 3.26 (b) 3.06 (c) 3.16 (d) 1.63
  28. 28.Which is the greatest: 0.686, 0.7, 0.76, 0.039? (a) 0.686 (b) 0.7 (c) 0.76 (d) 0.039
  29. 29.2.16 + 1.7 = ? (a) 3.86 (b) 2.33 (c) 3.76 (d) 3.96
  30. 30.Which is the smallest: 0.36, 0.097, 0.212, 0.3? (a) 0.36 (b) 0.097 (c) 0.212 (d) 0.3
  31. 31.2.68 + 4.7 = ? (a) 7.38 (b) 7.48 (c) 3.15 (d) 7.28
  32. 32.1.28 + 3.6 = ? (a) 4.78 (b) 4.98 (c) 4.88 (d) 1.64
  33. 33.What is the value of the digit 6 in 49.216? (a) 0.06 (b) 6 (c) 0.6 (d) 0.006
  34. 34.2.77 + 1.4 = ? (a) 4.07 (b) 4.27 (c) 4.17 (d) 2.91
  35. 35.What is the value of the digit 7 in 41.873? (a) 0.007 (b) 7 (c) 0.7 (d) 0.07
  36. 36.Which is the greatest: 0.035, 0.59, 0.485, 0.5? (a) 0.035 (b) 0.59 (c) 0.485 (d) 0.5
  37. 37.7.69 + 6.9 = ? (a) 14.69 (b) 14.59 (c) 8.38 (d) 14.49
  38. 38.Which is the greatest: 0.192, 0.2, 0.22, 0.016? (a) 0.192 (b) 0.2 (c) 0.22 (d) 0.016
  39. 39.2.71 + 5.4 = ? (a) 3.25 (b) 8.21 (c) 8.11 (d) 8.01
  40. 40.8.51 + 4.1 = ? (a) 12.61 (b) 12.51 (c) 8.92 (d) 12.71

Answer key

  1. 10
  2. 6
  3. 80
  4. 11.28
  5. 0.2
  6. 0.8
  7. 0.061
  8. 0.092
  9. 40
  10. 0.2
  11. 0.005
  12. 0.079
  13. 0.39
  14. 11.99
  15. 0.77
  16. 0.06
  17. 12.73
  18. 0.6
  19. 13.19
  20. 0.054
  21. 16.72
  22. 0.05
  23. 0.023
  24. 11.76
  25. 0.39
  26. 6.34
  27. 3.16
  28. 0.76
  29. 3.86
  30. 0.097
  31. 7.38
  32. 4.88
  33. 0.006
  34. 4.17
  35. 0.07
  36. 0.59
  37. 14.59
  38. 0.22
  39. 8.11
  40. 12.61

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