← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 532 · 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. 1.8.24 + 6.8 = ? (a) 15.14 (b) 8.92 (c) 14.94 (d) 15.04
  2. 2.What is the value of the digit 3 in 38.914? (a) 0.3 (b) 30 (c) 3 (d) 0.03
  3. 3.Which is the smallest: 0.7, 0.071, 0.641, 0.72? (a) 0.7 (b) 0.071 (c) 0.641 (d) 0.72
  4. 4.Which is the greatest: 0.058, 0.47, 0.375, 0.4? (a) 0.058 (b) 0.47 (c) 0.375 (d) 0.4
  5. 5.Which is the greatest: 0.742, 0.085, 0.8, 0.84? (a) 0.742 (b) 0.085 (c) 0.8 (d) 0.84
  6. 6.2.59 + 1.5 = ? (a) 4.19 (b) 2.74 (c) 3.99 (d) 4.09
  7. 7.9.42 + 3.4 = ? (a) 12.72 (b) 12.82 (c) 12.92 (d) 9.76
  8. 8.Which is the smallest: 0.012, 0.61, 0.515, 0.6? (a) 0.012 (b) 0.61 (c) 0.515 (d) 0.6
  9. 9.Which is the smallest: 0.476, 0.5, 0.011, 0.57? (a) 0.476 (b) 0.5 (c) 0.011 (d) 0.57
  10. 10.5.05 + 8.1 = ? (a) 13.25 (b) 13.05 (c) 5.86 (d) 13.15
  11. 11.8.55 + 5.5 = ? (a) 13.95 (b) 9.1 (c) 14.15 (d) 14.05
  12. 12.What is the value of the digit 6 in 28.653? (a) 0.6 (b) 0.06 (c) 0.006 (d) 6
  13. 13.What is the value of the digit 8 in 64.893? (a) 8 (b) 0.008 (c) 0.08 (d) 0.8
  14. 14.6.95 + 3.9 = ? (a) 7.34 (b) 10.75 (c) 10.95 (d) 10.85
  15. 15.Which is the greatest: 0.078, 0.176, 0.23, 0.2? (a) 0.078 (b) 0.176 (c) 0.23 (d) 0.2
  16. 16.3.09 + 1.9 = ? (a) 3.28 (b) 4.99 (c) 4.89 (d) 5.09
  17. 17.9.31 + 9.1 = ? (a) 18.31 (b) 18.41 (c) 18.51 (d) 10.22
  18. 18.Which is the smallest: 0.33, 0.3, 0.011, 0.288? (a) 0.33 (b) 0.3 (c) 0.011 (d) 0.288
  19. 19.Which is the greatest: 0.7, 0.613, 0.051, 0.75? (a) 0.7 (b) 0.613 (c) 0.051 (d) 0.75
  20. 20.7.33 + 5.1 = ? (a) 12.53 (b) 12.43 (c) 12.33 (d) 7.84
  21. 21.What is the value of the digit 2 in 91.725? (a) 0.02 (b) 2 (c) 0.2 (d) 0.002
  22. 22.Which is the smallest: 0.8, 0.89, 0.048, 0.714? (a) 0.8 (b) 0.89 (c) 0.048 (d) 0.714
  23. 23.8.64 + 6.4 = ? (a) 14.94 (b) 15.04 (c) 15.14 (d) 9.28
  24. 24.8.83 + 5.3 = ? (a) 14.03 (b) 14.23 (c) 14.13 (d) 9.36
  25. 25.Which is the greatest: 0.021, 0.3, 0.35, 0.263? (a) 0.021 (b) 0.3 (c) 0.35 (d) 0.263
  26. 26.What is the value of the digit 2 in 59.278? (a) 2 (b) 0.2 (c) 0.02 (d) 0.002
  27. 27.3.91 + 5.9 = ? (a) 4.5 (b) 9.81 (c) 9.91 (d) 9.71
  28. 28.What is the value of the digit 4 in 43.792? (a) 4 (b) 0.4 (c) 40 (d) 0.04
  29. 29.1.46 + 3.2 = ? (a) 4.76 (b) 4.56 (c) 4.66 (d) 1.78
  30. 30.3.45 + 9.8 = ? (a) 4.43 (b) 13.25 (c) 13.35 (d) 13.15
  31. 31.Which is the smallest: 0.393, 0.49, 0.4, 0.024? (a) 0.393 (b) 0.49 (c) 0.4 (d) 0.024
  32. 32.Which is the smallest: 0.37, 0.215, 0.082, 0.3? (a) 0.37 (b) 0.215 (c) 0.082 (d) 0.3
  33. 33.3.08 + 9.4 = ? (a) 4.02 (b) 12.58 (c) 12.38 (d) 12.48
  34. 34.What is the value of the digit 9 in 96.548? (a) 9 (b) 90 (c) 0.9 (d) 0.09
  35. 35.What is the value of the digit 2 in 72.685? (a) 2 (b) 0.02 (c) 20 (d) 0.2
  36. 36.9.77 + 5.1 = ? (a) 14.77 (b) 10.28 (c) 14.97 (d) 14.87
  37. 37.1.08 + 5.5 = ? (a) 1.63 (b) 6.48 (c) 6.68 (d) 6.58
  38. 38.What is the value of the digit 4 in 83.742? (a) 0.004 (b) 0.04 (c) 0.4 (d) 4
  39. 39.What is the value of the digit 7 in 94.172? (a) 0.7 (b) 7 (c) 0.07 (d) 0.007
  40. 40.Which is the greatest: 0.6, 0.64, 0.052, 0.564? (a) 0.6 (b) 0.64 (c) 0.052 (d) 0.564

Answer key

  1. 15.04
  2. 30
  3. 0.071
  4. 0.47
  5. 0.84
  6. 4.09
  7. 12.82
  8. 0.012
  9. 0.011
  10. 13.15
  11. 14.05
  12. 0.6
  13. 0.8
  14. 10.85
  15. 0.23
  16. 4.99
  17. 18.41
  18. 0.011
  19. 0.75
  20. 12.43
  21. 0.02
  22. 0.048
  23. 15.04
  24. 14.13
  25. 0.35
  26. 0.2
  27. 9.81
  28. 40
  29. 4.66
  30. 13.25
  31. 0.024
  32. 0.082
  33. 12.48
  34. 90
  35. 2
  36. 14.87
  37. 6.58
  38. 0.04
  39. 0.07
  40. 0.64

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad