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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 299 · 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: 0.3, 0.094, 0.235, 0.38? (a) 0.3 (b) 0.094 (c) 0.235 (d) 0.38
  2. 2.What is the value of the digit 4 in 56.347? (a) 0.04 (b) 0.4 (c) 0.004 (d) 4
  3. 3.2.97 + 1.2 = ? (a) 4.27 (b) 3.09 (c) 4.17 (d) 4.07
  4. 4.What is the value of the digit 3 in 39.156? (a) 0.03 (b) 30 (c) 0.3 (d) 3
  5. 5.9.66 + 7.9 = ? (a) 17.56 (b) 10.45 (c) 17.66 (d) 17.46
  6. 6.What is the value of the digit 5 in 46.875? (a) 0.05 (b) 0.5 (c) 5 (d) 0.005
  7. 7.Which is the smallest: 0.51, 0.5, 0.063, 0.474? (a) 0.51 (b) 0.5 (c) 0.063 (d) 0.474
  8. 8.What is the value of the digit 8 in 32.876? (a) 0.08 (b) 0.008 (c) 8 (d) 0.8
  9. 9.Which is the greatest: 0.077, 0.64, 0.532, 0.6? (a) 0.077 (b) 0.64 (c) 0.532 (d) 0.6
  10. 10.Which is the smallest: 0.075, 0.35, 0.3, 0.237? (a) 0.075 (b) 0.35 (c) 0.3 (d) 0.237
  11. 11.6.99 + 1.6 = ? (a) 7.15 (b) 8.49 (c) 8.69 (d) 8.59
  12. 12.5.22 + 5.3 = ? (a) 10.42 (b) 5.75 (c) 10.52 (d) 10.62
  13. 13.Which is the smallest: 0.555, 0.076, 0.66, 0.6? (a) 0.555 (b) 0.076 (c) 0.66 (d) 0.6
  14. 14.Which is the smallest: 0.38, 0.049, 0.218, 0.3? (a) 0.38 (b) 0.049 (c) 0.218 (d) 0.3
  15. 15.Which is the greatest: 0.248, 0.32, 0.023, 0.3? (a) 0.248 (b) 0.32 (c) 0.023 (d) 0.3
  16. 16.What is the value of the digit 7 in 97.351? (a) 0.7 (b) 70 (c) 0.07 (d) 7
  17. 17.3.58 + 3.3 = ? (a) 6.98 (b) 3.91 (c) 6.88 (d) 6.78
  18. 18.What is the value of the digit 3 in 73.149? (a) 0.3 (b) 3 (c) 30 (d) 0.03
  19. 19.What is the value of the digit 6 in 67.431? (a) 6 (b) 60 (c) 0.6 (d) 0.06
  20. 20.6.25 + 8.1 = ? (a) 14.35 (b) 14.45 (c) 7.06 (d) 14.25
  21. 21.6.81 + 3.2 = ? (a) 7.13 (b) 10.11 (c) 9.91 (d) 10.01
  22. 22.What is the value of the digit 5 in 65.719? (a) 0.5 (b) 50 (c) 5 (d) 0.05
  23. 23.5.66 + 2.2 = ? (a) 7.96 (b) 7.76 (c) 7.86 (d) 5.88
  24. 24.Which is the smallest: 0.026, 0.588, 0.6, 0.63? (a) 0.026 (b) 0.588 (c) 0.6 (d) 0.63
  25. 25.What is the value of the digit 6 in 89.625? (a) 0.06 (b) 0.6 (c) 0.006 (d) 6
  26. 26.1.93 + 2.1 = ? (a) 4.13 (b) 2.14 (c) 4.03 (d) 3.93
  27. 27.6.24 + 8.8 = ? (a) 14.94 (b) 15.04 (c) 15.14 (d) 7.12
  28. 28.Which is the smallest: 0.167, 0.087, 0.2, 0.28? (a) 0.167 (b) 0.087 (c) 0.2 (d) 0.28
  29. 29.Which is the smallest: 0.66, 0.598, 0.085, 0.6? (a) 0.66 (b) 0.598 (c) 0.085 (d) 0.6
  30. 30.What is the value of the digit 6 in 68.714? (a) 0.6 (b) 0.06 (c) 60 (d) 6
  31. 31.6.97 + 8.2 = ? (a) 15.17 (b) 15.27 (c) 15.07 (d) 7.79
  32. 32.9.18 + 3.3 = ? (a) 12.58 (b) 12.48 (c) 12.38 (d) 9.51
  33. 33.Which is the smallest: 0.7, 0.76, 0.047, 0.674? (a) 0.7 (b) 0.76 (c) 0.047 (d) 0.674
  34. 34.What is the value of the digit 5 in 53.748? (a) 0.5 (b) 5 (c) 50 (d) 0.05
  35. 35.Which is the smallest: 0.039, 0.577, 0.65, 0.6? (a) 0.039 (b) 0.577 (c) 0.65 (d) 0.6
  36. 36.Which is the smallest: 0.187, 0.2, 0.22, 0.088? (a) 0.187 (b) 0.2 (c) 0.22 (d) 0.088
  37. 37.2.07 + 5.4 = ? (a) 2.61 (b) 7.37 (c) 7.47 (d) 7.57
  38. 38.What is the value of the digit 7 in 47.865? (a) 0.07 (b) 0.7 (c) 70 (d) 7
  39. 39.Which is the greatest: 0.36, 0.3, 0.093, 0.284? (a) 0.36 (b) 0.3 (c) 0.093 (d) 0.284
  40. 40.Which is the smallest: 0.2, 0.041, 0.153, 0.25? (a) 0.2 (b) 0.041 (c) 0.153 (d) 0.25

Answer key

  1. 0.38
  2. 0.04
  3. 4.17
  4. 30
  5. 17.56
  6. 0.005
  7. 0.063
  8. 0.8
  9. 0.64
  10. 0.075
  11. 8.59
  12. 10.52
  13. 0.076
  14. 0.049
  15. 0.32
  16. 7
  17. 6.88
  18. 3
  19. 60
  20. 14.35
  21. 10.01
  22. 5
  23. 7.86
  24. 0.026
  25. 0.6
  26. 4.03
  27. 15.04
  28. 0.087
  29. 0.085
  30. 60
  31. 15.17
  32. 12.48
  33. 0.047
  34. 50
  35. 0.039
  36. 0.088
  37. 7.47
  38. 7
  39. 0.36
  40. 0.041

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