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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 546 · 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 3 in 29.836? (a) 0.03 (b) 3 (c) 0.003 (d) 0.3
  2. 2.7.59 + 4.6 = ? (a) 12.19 (b) 12.09 (c) 8.05 (d) 12.29
  3. 3.Which is the greatest: 0.723, 0.84, 0.085, 0.8? (a) 0.723 (b) 0.84 (c) 0.085 (d) 0.8
  4. 4.3.72 + 2.2 = ? (a) 3.94 (b) 6.02 (c) 5.82 (d) 5.92
  5. 5.What is the value of the digit 5 in 82.561? (a) 0.05 (b) 0.5 (c) 0.005 (d) 5
  6. 6.What is the value of the digit 8 in 75.486? (a) 8 (b) 0.08 (c) 0.008 (d) 0.8
  7. 7.What is the value of the digit 2 in 25.183? (a) 0.02 (b) 20 (c) 0.2 (d) 2
  8. 8.What is the value of the digit 7 in 24.876? (a) 0.7 (b) 7 (c) 0.007 (d) 0.07
  9. 9.Which is the smallest: 0.031, 0.411, 0.52, 0.5? (a) 0.031 (b) 0.411 (c) 0.52 (d) 0.5
  10. 10.1.05 + 2.7 = ? (a) 1.32 (b) 3.65 (c) 3.85 (d) 3.75
  11. 11.Which is the smallest: 0.236, 0.3, 0.092, 0.38? (a) 0.236 (b) 0.3 (c) 0.092 (d) 0.38
  12. 12.What is the value of the digit 2 in 12.867? (a) 0.2 (b) 0.02 (c) 2 (d) 20
  13. 13.What is the value of the digit 1 in 97.531? (a) 0.01 (b) 1 (c) 0.1 (d) 0.001
  14. 14.What is the value of the digit 4 in 34.186? (a) 40 (b) 0.04 (c) 4 (d) 0.4
  15. 15.What is the value of the digit 5 in 58.723? (a) 5 (b) 50 (c) 0.05 (d) 0.5
  16. 16.9.94 + 8.4 = ? (a) 10.78 (b) 18.44 (c) 18.24 (d) 18.34
  17. 17.1.81 + 8.6 = ? (a) 2.67 (b) 10.51 (c) 10.41 (d) 10.31
  18. 18.What is the value of the digit 9 in 96.573? (a) 9 (b) 0.09 (c) 90 (d) 0.9
  19. 19.What is the value of the digit 1 in 67.198? (a) 1 (b) 0.01 (c) 0.001 (d) 0.1
  20. 20.4.66 + 6.1 = ? (a) 10.76 (b) 5.27 (c) 10.66 (d) 10.86
  21. 21.What is the value of the digit 2 in 35.126? (a) 0.02 (b) 2 (c) 0.2 (d) 0.002
  22. 22.What is the value of the digit 4 in 45.187? (a) 4 (b) 0.04 (c) 40 (d) 0.4
  23. 23.What is the value of the digit 2 in 23.894? (a) 0.2 (b) 2 (c) 20 (d) 0.02
  24. 24.What is the value of the digit 7 in 24.879? (a) 0.7 (b) 7 (c) 0.07 (d) 0.007
  25. 25.2.62 + 6.6 = ? (a) 9.32 (b) 9.22 (c) 9.12 (d) 3.28
  26. 26.2.38 + 7.8 = ? (a) 10.28 (b) 10.08 (c) 3.16 (d) 10.18
  27. 27.2.28 + 8.1 = ? (a) 10.48 (b) 3.09 (c) 10.28 (d) 10.38
  28. 28.What is the value of the digit 6 in 48.967? (a) 0.06 (b) 0.006 (c) 6 (d) 0.6
  29. 29.4.04 + 3.1 = ? (a) 7.14 (b) 7.04 (c) 4.35 (d) 7.24
  30. 30.What is the value of the digit 2 in 97.245? (a) 0.002 (b) 0.02 (c) 2 (d) 0.2
  31. 31.7.16 + 1.2 = ? (a) 8.26 (b) 7.28 (c) 8.36 (d) 8.46
  32. 32.2.81 + 3.1 = ? (a) 6.01 (b) 3.12 (c) 5.91 (d) 5.81
  33. 33.5.13 + 2.8 = ? (a) 8.03 (b) 7.93 (c) 7.83 (d) 5.41
  34. 34.What is the value of the digit 9 in 89.651? (a) 90 (b) 0.09 (c) 0.9 (d) 9
  35. 35.What is the value of the digit 4 in 21.954? (a) 0.4 (b) 0.004 (c) 4 (d) 0.04
  36. 36.Which is the smallest: 0.5, 0.043, 0.51, 0.456? (a) 0.5 (b) 0.043 (c) 0.51 (d) 0.456
  37. 37.Which is the greatest: 0.061, 0.325, 0.44, 0.4? (a) 0.061 (b) 0.325 (c) 0.44 (d) 0.4
  38. 38.What is the value of the digit 2 in 26.349? (a) 20 (b) 2 (c) 0.02 (d) 0.2
  39. 39.Which is the greatest: 0.243, 0.081, 0.39, 0.3? (a) 0.243 (b) 0.081 (c) 0.39 (d) 0.3
  40. 40.2.17 + 9.8 = ? (a) 11.97 (b) 12.07 (c) 11.87 (d) 3.15

Answer key

  1. 0.03
  2. 12.19
  3. 0.84
  4. 5.92
  5. 0.5
  6. 0.08
  7. 20
  8. 0.07
  9. 0.031
  10. 3.75
  11. 0.092
  12. 2
  13. 0.001
  14. 4
  15. 50
  16. 18.34
  17. 10.41
  18. 90
  19. 0.1
  20. 10.76
  21. 0.02
  22. 40
  23. 20
  24. 0.07
  25. 9.22
  26. 10.18
  27. 10.38
  28. 0.06
  29. 7.14
  30. 0.2
  31. 8.36
  32. 5.91
  33. 7.93
  34. 9
  35. 0.004
  36. 0.043
  37. 0.44
  38. 20
  39. 0.39
  40. 11.97

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