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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 556 · 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. 1.1.76 + 5.1 = ? (a) 6.76 (b) 6.96 (c) 6.86 (d) 2.27
  2. 2.What is the value of the digit 8 in 92.186? (a) 0.008 (b) 0.8 (c) 0.08 (d) 8
  3. 3.What is the value of the digit 9 in 96.175? (a) 0.09 (b) 0.9 (c) 9 (d) 90
  4. 4.What is the value of the digit 5 in 52.138? (a) 0.05 (b) 50 (c) 0.5 (d) 5
  5. 5.7.49 + 1.3 = ? (a) 8.79 (b) 7.62 (c) 8.69 (d) 8.89
  6. 6.What is the value of the digit 7 in 71.436? (a) 0.7 (b) 7 (c) 70 (d) 0.07
  7. 7.4.81 + 7.8 = ? (a) 5.59 (b) 12.51 (c) 12.61 (d) 12.71
  8. 8.What is the value of the digit 3 in 56.372? (a) 0.003 (b) 3 (c) 0.3 (d) 0.03
  9. 9.1.99 + 6.1 = ? (a) 8.19 (b) 8.09 (c) 2.6 (d) 7.99
  10. 10.Which is the smallest: 0.034, 0.347, 0.43, 0.4? (a) 0.034 (b) 0.347 (c) 0.43 (d) 0.4
  11. 11.1.22 + 9.3 = ? (a) 10.42 (b) 2.15 (c) 10.52 (d) 10.62
  12. 12.Which is the smallest: 0.72, 0.082, 0.631, 0.7? (a) 0.72 (b) 0.082 (c) 0.631 (d) 0.7
  13. 13.9.19 + 3.4 = ? (a) 12.69 (b) 9.53 (c) 12.59 (d) 12.49
  14. 14.What is the value of the digit 5 in 59.148? (a) 50 (b) 0.5 (c) 5 (d) 0.05
  15. 15.7.21 + 2.7 = ? (a) 7.48 (b) 9.81 (c) 9.91 (d) 10.01
  16. 16.What is the value of the digit 6 in 27.658? (a) 0.06 (b) 0.006 (c) 6 (d) 0.6
  17. 17.What is the value of the digit 1 in 54.721? (a) 0.01 (b) 0.1 (c) 1 (d) 0.001
  18. 18.What is the value of the digit 2 in 26.318? (a) 0.2 (b) 20 (c) 0.02 (d) 2
  19. 19.Which is the smallest: 0.227, 0.3, 0.025, 0.37? (a) 0.227 (b) 0.3 (c) 0.025 (d) 0.37
  20. 20.What is the value of the digit 5 in 32.586? (a) 5 (b) 0.05 (c) 0.5 (d) 0.005
  21. 21.What is the value of the digit 4 in 24.831? (a) 40 (b) 0.4 (c) 0.04 (d) 4
  22. 22.6.93 + 3.4 = ? (a) 10.43 (b) 7.27 (c) 10.23 (d) 10.33
  23. 23.Which is the smallest: 0.057, 0.7, 0.73, 0.672? (a) 0.057 (b) 0.7 (c) 0.73 (d) 0.672
  24. 24.Which is the smallest: 0.062, 0.143, 0.21, 0.2? (a) 0.062 (b) 0.143 (c) 0.21 (d) 0.2
  25. 25.8.71 + 5.3 = ? (a) 9.24 (b) 13.91 (c) 14.01 (d) 14.11
  26. 26.Which is the greatest: 0.61, 0.569, 0.086, 0.6? (a) 0.61 (b) 0.569 (c) 0.086 (d) 0.6
  27. 27.9.84 + 3.7 = ? (a) 13.64 (b) 10.21 (c) 13.44 (d) 13.54
  28. 28.3.32 + 8.2 = ? (a) 11.52 (b) 11.62 (c) 4.14 (d) 11.42
  29. 29.What is the value of the digit 2 in 21.743? (a) 2 (b) 20 (c) 0.02 (d) 0.2
  30. 30.Which is the greatest: 0.3, 0.287, 0.042, 0.33? (a) 0.3 (b) 0.287 (c) 0.042 (d) 0.33
  31. 31.What is the value of the digit 7 in 75.863? (a) 7 (b) 0.07 (c) 0.7 (d) 70
  32. 32.Which is the smallest: 0.42, 0.324, 0.4, 0.059? (a) 0.42 (b) 0.324 (c) 0.4 (d) 0.059
  33. 33.8.69 + 1.2 = ? (a) 9.99 (b) 9.79 (c) 8.81 (d) 9.89
  34. 34.What is the value of the digit 8 in 18.697? (a) 8 (b) 80 (c) 0.08 (d) 0.8
  35. 35.4.39 + 2.7 = ? (a) 7.19 (b) 4.66 (c) 7.09 (d) 6.99
  36. 36.Which is the greatest: 0.6, 0.098, 0.68, 0.597? (a) 0.6 (b) 0.098 (c) 0.68 (d) 0.597
  37. 37.2.51 + 6.7 = ? (a) 9.11 (b) 9.31 (c) 3.18 (d) 9.21
  38. 38.1.91 + 7.6 = ? (a) 9.61 (b) 9.41 (c) 2.67 (d) 9.51
  39. 39.Which is the greatest: 0.271, 0.3, 0.38, 0.054? (a) 0.271 (b) 0.3 (c) 0.38 (d) 0.054
  40. 40.What is the value of the digit 6 in 79.623? (a) 0.006 (b) 0.06 (c) 0.6 (d) 6

Answer key

  1. 6.86
  2. 0.08
  3. 90
  4. 50
  5. 8.79
  6. 70
  7. 12.61
  8. 0.3
  9. 8.09
  10. 0.034
  11. 10.52
  12. 0.082
  13. 12.59
  14. 50
  15. 9.91
  16. 0.6
  17. 0.001
  18. 20
  19. 0.025
  20. 0.5
  21. 4
  22. 10.33
  23. 0.057
  24. 0.062
  25. 14.01
  26. 0.61
  27. 13.54
  28. 11.52
  29. 20
  30. 0.33
  31. 70
  32. 0.059
  33. 9.89
  34. 8
  35. 7.09
  36. 0.68
  37. 9.21
  38. 9.51
  39. 0.38
  40. 0.6

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