← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 700 · 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. 1.1.18 + 6.2 = ? (a) 7.48 (b) 1.8 (c) 7.28 (d) 7.38
  2. 2.3.29 + 7.2 = ? (a) 4.01 (b) 10.49 (c) 10.59 (d) 10.39
  3. 3.Which is the smallest: 0.048, 0.29, 0.2, 0.163? (a) 0.048 (b) 0.29 (c) 0.2 (d) 0.163
  4. 4.Which is the greatest: 0.031, 0.83, 0.756, 0.8? (a) 0.031 (b) 0.83 (c) 0.756 (d) 0.8
  5. 5.Which is the smallest: 0.6, 0.61, 0.511, 0.064? (a) 0.6 (b) 0.61 (c) 0.511 (d) 0.064
  6. 6.Which is the smallest: 0.49, 0.025, 0.4, 0.328? (a) 0.49 (b) 0.025 (c) 0.4 (d) 0.328
  7. 7.What is the value of the digit 8 in 86.194? (a) 80 (b) 8 (c) 0.8 (d) 0.08
  8. 8.5.54 + 6.8 = ? (a) 12.44 (b) 12.24 (c) 6.22 (d) 12.34
  9. 9.What is the value of the digit 5 in 24.598? (a) 0.05 (b) 0.005 (c) 0.5 (d) 5
  10. 10.Which is the greatest: 0.048, 0.6, 0.69, 0.545? (a) 0.048 (b) 0.6 (c) 0.69 (d) 0.545
  11. 11.2.71 + 8.9 = ? (a) 11.61 (b) 3.6 (c) 11.51 (d) 11.71
  12. 12.What is the value of the digit 8 in 68.719? (a) 0.8 (b) 8 (c) 80 (d) 0.08
  13. 13.What is the value of the digit 1 in 41.879? (a) 10 (b) 0.01 (c) 0.1 (d) 1
  14. 14.4.57 + 5.8 = ? (a) 10.37 (b) 10.47 (c) 10.27 (d) 5.15
  15. 15.What is the value of the digit 4 in 46.178? (a) 40 (b) 0.04 (c) 0.4 (d) 4
  16. 16.9.75 + 6.3 = ? (a) 16.15 (b) 15.95 (c) 10.38 (d) 16.05
  17. 17.7.23 + 2.8 = ? (a) 7.51 (b) 10.13 (c) 10.03 (d) 9.93
  18. 18.Which is the greatest: 0.065, 0.32, 0.215, 0.3? (a) 0.065 (b) 0.32 (c) 0.215 (d) 0.3
  19. 19.Which is the smallest: 0.488, 0.5, 0.022, 0.55? (a) 0.488 (b) 0.5 (c) 0.022 (d) 0.55
  20. 20.What is the value of the digit 5 in 53.192? (a) 0.5 (b) 5 (c) 0.05 (d) 50
  21. 21.Which is the greatest: 0.4, 0.336, 0.019, 0.45? (a) 0.4 (b) 0.336 (c) 0.019 (d) 0.45
  22. 22.What is the value of the digit 5 in 61.258? (a) 0.5 (b) 0.005 (c) 5 (d) 0.05
  23. 23.Which is the greatest: 0.611, 0.73, 0.038, 0.7? (a) 0.611 (b) 0.73 (c) 0.038 (d) 0.7
  24. 24.Which is the greatest: 0.719, 0.052, 0.8, 0.87? (a) 0.719 (b) 0.052 (c) 0.8 (d) 0.87
  25. 25.What is the value of the digit 7 in 93.746? (a) 0.007 (b) 7 (c) 0.7 (d) 0.07
  26. 26.9.58 + 7.2 = ? (a) 16.88 (b) 10.3 (c) 16.68 (d) 16.78
  27. 27.5.15 + 2.4 = ? (a) 7.65 (b) 7.45 (c) 5.39 (d) 7.55
  28. 28.Which is the smallest: 0.182, 0.058, 0.22, 0.2? (a) 0.182 (b) 0.058 (c) 0.22 (d) 0.2
  29. 29.What is the value of the digit 2 in 85.297? (a) 0.2 (b) 0.002 (c) 2 (d) 0.02
  30. 30.What is the value of the digit 5 in 41.527? (a) 5 (b) 0.005 (c) 0.5 (d) 0.05
  31. 31.Which is the greatest: 0.5, 0.042, 0.54, 0.445? (a) 0.5 (b) 0.042 (c) 0.54 (d) 0.445
  32. 32.Which is the smallest: 0.635, 0.7, 0.029, 0.77? (a) 0.635 (b) 0.7 (c) 0.029 (d) 0.77
  33. 33.What is the value of the digit 2 in 42.695? (a) 0.2 (b) 20 (c) 2 (d) 0.02
  34. 34.What is the value of the digit 6 in 52.916? (a) 0.06 (b) 0.6 (c) 0.006 (d) 6
  35. 35.Which is the greatest: 0.5, 0.061, 0.54, 0.436? (a) 0.5 (b) 0.061 (c) 0.54 (d) 0.436
  36. 36.Which is the greatest: 0.212, 0.013, 0.32, 0.3? (a) 0.212 (b) 0.013 (c) 0.32 (d) 0.3
  37. 37.Which is the greatest: 0.068, 0.24, 0.2, 0.154? (a) 0.068 (b) 0.24 (c) 0.2 (d) 0.154
  38. 38.Which is the smallest: 0.62, 0.083, 0.6, 0.519? (a) 0.62 (b) 0.083 (c) 0.6 (d) 0.519
  39. 39.Which is the greatest: 0.585, 0.034, 0.61, 0.6? (a) 0.585 (b) 0.034 (c) 0.61 (d) 0.6
  40. 40.Which is the greatest: 0.82, 0.8, 0.713, 0.015? (a) 0.82 (b) 0.8 (c) 0.713 (d) 0.015

Answer key

  1. 7.38
  2. 10.49
  3. 0.048
  4. 0.83
  5. 0.064
  6. 0.025
  7. 80
  8. 12.34
  9. 0.5
  10. 0.69
  11. 11.61
  12. 8
  13. 1
  14. 10.37
  15. 40
  16. 16.05
  17. 10.03
  18. 0.32
  19. 0.022
  20. 50
  21. 0.45
  22. 0.05
  23. 0.73
  24. 0.87
  25. 0.7
  26. 16.78
  27. 7.55
  28. 0.058
  29. 0.2
  30. 0.5
  31. 0.54
  32. 0.029
  33. 2
  34. 0.006
  35. 0.54
  36. 0.32
  37. 0.24
  38. 0.083
  39. 0.61
  40. 0.82

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