← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 862 · 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. 1.7.29 + 9.7 = ? (a) 8.26 (b) 16.89 (c) 17.09 (d) 16.99
  2. 2.Which is the smallest: 0.77, 0.7, 0.621, 0.061? (a) 0.77 (b) 0.7 (c) 0.621 (d) 0.061
  3. 3.3.03 + 7.5 = ? (a) 3.78 (b) 10.53 (c) 10.43 (d) 10.63
  4. 4.What is the value of the digit 6 in 58.962? (a) 0.6 (b) 6 (c) 0.006 (d) 0.06
  5. 5.Which is the greatest: 0.2, 0.069, 0.22, 0.197? (a) 0.2 (b) 0.069 (c) 0.22 (d) 0.197
  6. 6.Which is the smallest: 0.565, 0.092, 0.68, 0.6? (a) 0.565 (b) 0.092 (c) 0.68 (d) 0.6
  7. 7.6.52 + 6.6 = ? (a) 7.18 (b) 13.12 (c) 13.02 (d) 13.22
  8. 8.6.76 + 8.5 = ? (a) 15.16 (b) 15.36 (c) 15.26 (d) 7.61
  9. 9.6.25 + 8.7 = ? (a) 7.12 (b) 15.05 (c) 14.85 (d) 14.95
  10. 10.9.64 + 1.5 = ? (a) 11.04 (b) 11.24 (c) 11.14 (d) 9.79
  11. 11.Which is the smallest: 0.026, 0.62, 0.593, 0.6? (a) 0.026 (b) 0.62 (c) 0.593 (d) 0.6
  12. 12.5.58 + 4.9 = ? (a) 6.07 (b) 10.48 (c) 10.38 (d) 10.58
  13. 13.What is the value of the digit 3 in 91.342? (a) 3 (b) 0.003 (c) 0.3 (d) 0.03
  14. 14.2.14 + 4.6 = ? (a) 6.84 (b) 2.6 (c) 6.64 (d) 6.74
  15. 15.What is the value of the digit 8 in 31.968? (a) 0.8 (b) 0.008 (c) 8 (d) 0.08
  16. 16.3.18 + 3.4 = ? (a) 3.52 (b) 6.48 (c) 6.58 (d) 6.68
  17. 17.Which is the greatest: 0.164, 0.24, 0.081, 0.2? (a) 0.164 (b) 0.24 (c) 0.081 (d) 0.2
  18. 18.9.96 + 1.5 = ? (a) 11.46 (b) 11.36 (c) 11.56 (d) 10.11
  19. 19.8.76 + 5.1 = ? (a) 13.86 (b) 13.76 (c) 9.27 (d) 13.96
  20. 20.7.42 + 2.4 = ? (a) 9.82 (b) 9.72 (c) 9.92 (d) 7.66
  21. 21.6.34 + 4.7 = ? (a) 6.81 (b) 11.04 (c) 10.94 (d) 11.14
  22. 22.9.93 + 2.8 = ? (a) 10.21 (b) 12.73 (c) 12.63 (d) 12.83
  23. 23.Which is the smallest: 0.72, 0.7, 0.635, 0.099? (a) 0.72 (b) 0.7 (c) 0.635 (d) 0.099
  24. 24.Which is the smallest: 0.048, 0.619, 0.7, 0.72? (a) 0.048 (b) 0.619 (c) 0.7 (d) 0.72
  25. 25.Which is the greatest: 0.2, 0.032, 0.22, 0.135? (a) 0.2 (b) 0.032 (c) 0.22 (d) 0.135
  26. 26.Which is the greatest: 0.193, 0.27, 0.2, 0.069? (a) 0.193 (b) 0.27 (c) 0.2 (d) 0.069
  27. 27.What is the value of the digit 8 in 52.438? (a) 0.08 (b) 0.8 (c) 0.008 (d) 8
  28. 28.What is the value of the digit 6 in 37.456? (a) 0.006 (b) 0.6 (c) 0.06 (d) 6
  29. 29.3.18 + 9.1 = ? (a) 12.18 (b) 12.28 (c) 12.38 (d) 4.09
  30. 30.2.11 + 5.5 = ? (a) 7.51 (b) 2.66 (c) 7.71 (d) 7.61
  31. 31.7.01 + 9.4 = ? (a) 16.41 (b) 16.51 (c) 7.95 (d) 16.31
  32. 32.2.06 + 1.9 = ? (a) 2.25 (b) 4.06 (c) 3.86 (d) 3.96
  33. 33.What is the value of the digit 1 in 21.346? (a) 0.01 (b) 10 (c) 1 (d) 0.1
  34. 34.7.54 + 9.6 = ? (a) 17.04 (b) 17.14 (c) 8.5 (d) 17.24
  35. 35.What is the value of the digit 1 in 13.679? (a) 0.01 (b) 10 (c) 0.1 (d) 1
  36. 36.What is the value of the digit 5 in 15.729? (a) 50 (b) 0.05 (c) 0.5 (d) 5
  37. 37.What is the value of the digit 8 in 97.854? (a) 0.8 (b) 0.008 (c) 8 (d) 0.08
  38. 38.What is the value of the digit 2 in 34.256? (a) 2 (b) 0.02 (c) 0.2 (d) 0.002
  39. 39.What is the value of the digit 5 in 63.451? (a) 0.005 (b) 0.05 (c) 5 (d) 0.5
  40. 40.What is the value of the digit 6 in 18.567? (a) 6 (b) 0.6 (c) 0.06 (d) 0.006

Answer key

  1. 16.99
  2. 0.061
  3. 10.53
  4. 0.06
  5. 0.22
  6. 0.092
  7. 13.12
  8. 15.26
  9. 14.95
  10. 11.14
  11. 0.026
  12. 10.48
  13. 0.3
  14. 6.74
  15. 0.008
  16. 6.58
  17. 0.24
  18. 11.46
  19. 13.86
  20. 9.82
  21. 11.04
  22. 12.73
  23. 0.099
  24. 0.048
  25. 0.22
  26. 0.27
  27. 0.008
  28. 0.006
  29. 12.28
  30. 7.61
  31. 16.41
  32. 3.96
  33. 1
  34. 17.14
  35. 10
  36. 5
  37. 0.8
  38. 0.2
  39. 0.05
  40. 0.06

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