← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 205 · 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. 1.6.97 + 7.5 = ? (a) 14.57 (b) 14.37 (c) 7.72 (d) 14.47
  2. 2.2.61 + 4.4 = ? (a) 7.01 (b) 7.11 (c) 6.91 (d) 3.05
  3. 3.3.24 + 2.3 = ? (a) 3.47 (b) 5.44 (c) 5.64 (d) 5.54
  4. 4.2.81 + 4.2 = ? (a) 7.11 (b) 7.01 (c) 3.23 (d) 6.91
  5. 5.Which is the greatest: 0.186, 0.064, 0.2, 0.25? (a) 0.186 (b) 0.064 (c) 0.2 (d) 0.25
  6. 6.Which is the smallest: 0.594, 0.6, 0.079, 0.63? (a) 0.594 (b) 0.6 (c) 0.079 (d) 0.63
  7. 7.What is the value of the digit 3 in 63.985? (a) 30 (b) 0.03 (c) 0.3 (d) 3
  8. 8.4.18 + 4.8 = ? (a) 8.88 (b) 8.98 (c) 9.08 (d) 4.66
  9. 9.1.61 + 9.5 = ? (a) 11.01 (b) 11.21 (c) 11.11 (d) 2.56
  10. 10.Which is the greatest: 0.89, 0.764, 0.038, 0.8? (a) 0.89 (b) 0.764 (c) 0.038 (d) 0.8
  11. 11.What is the value of the digit 1 in 82.179? (a) 0.01 (b) 1 (c) 0.001 (d) 0.1
  12. 12.Which is the greatest: 0.3, 0.041, 0.228, 0.32? (a) 0.3 (b) 0.041 (c) 0.228 (d) 0.32
  13. 13.What is the value of the digit 7 in 15.347? (a) 7 (b) 0.7 (c) 0.007 (d) 0.07
  14. 14.2.56 + 4.2 = ? (a) 6.76 (b) 2.98 (c) 6.86 (d) 6.66
  15. 15.4.33 + 2.3 = ? (a) 6.53 (b) 4.56 (c) 6.63 (d) 6.73
  16. 16.Which is the greatest: 0.3, 0.33, 0.264, 0.062? (a) 0.3 (b) 0.33 (c) 0.264 (d) 0.062
  17. 17.5.49 + 9.3 = ? (a) 14.89 (b) 6.42 (c) 14.69 (d) 14.79
  18. 18.9.05 + 2.8 = ? (a) 11.85 (b) 9.33 (c) 11.95 (d) 11.75
  19. 19.What is the value of the digit 9 in 65.829? (a) 0.9 (b) 0.009 (c) 9 (d) 0.09
  20. 20.1.65 + 1.1 = ? (a) 2.65 (b) 1.76 (c) 2.75 (d) 2.85
  21. 21.Which is the smallest: 0.685, 0.014, 0.7, 0.79? (a) 0.685 (b) 0.014 (c) 0.7 (d) 0.79
  22. 22.2.61 + 7.8 = ? (a) 10.31 (b) 3.39 (c) 10.51 (d) 10.41
  23. 23.Which is the greatest: 0.4, 0.051, 0.42, 0.333? (a) 0.4 (b) 0.051 (c) 0.42 (d) 0.333
  24. 24.8.09 + 3.8 = ? (a) 11.99 (b) 11.79 (c) 11.89 (d) 8.47
  25. 25.2.34 + 8.7 = ? (a) 3.21 (b) 10.94 (c) 11.04 (d) 11.14
  26. 26.What is the value of the digit 4 in 36.214? (a) 0.04 (b) 4 (c) 0.4 (d) 0.004
  27. 27.Which is the smallest: 0.711, 0.8, 0.81, 0.048? (a) 0.711 (b) 0.8 (c) 0.81 (d) 0.048
  28. 28.5.83 + 4.7 = ? (a) 10.43 (b) 10.53 (c) 10.63 (d) 6.3
  29. 29.5.74 + 8.1 = ? (a) 13.74 (b) 13.84 (c) 6.55 (d) 13.94
  30. 30.Which is the smallest: 0.2, 0.029, 0.175, 0.21? (a) 0.2 (b) 0.029 (c) 0.175 (d) 0.21
  31. 31.9.25 + 6.2 = ? (a) 15.45 (b) 15.55 (c) 9.87 (d) 15.35
  32. 32.What is the value of the digit 1 in 78.921? (a) 0.01 (b) 0.1 (c) 0.001 (d) 1
  33. 33.9.92 + 6.6 = ? (a) 16.42 (b) 10.58 (c) 16.62 (d) 16.52
  34. 34.Which is the smallest: 0.619, 0.7, 0.71, 0.061? (a) 0.619 (b) 0.7 (c) 0.71 (d) 0.061
  35. 35.Which is the smallest: 0.021, 0.186, 0.2, 0.25? (a) 0.021 (b) 0.186 (c) 0.2 (d) 0.25
  36. 36.9.78 + 2.1 = ? (a) 9.99 (b) 11.98 (c) 11.88 (d) 11.78
  37. 37.What is the value of the digit 4 in 52.471? (a) 0.4 (b) 0.04 (c) 4 (d) 0.004
  38. 38.What is the value of the digit 2 in 85.269? (a) 0.02 (b) 2 (c) 0.002 (d) 0.2
  39. 39.7.41 + 7.5 = ? (a) 15.01 (b) 14.91 (c) 8.16 (d) 14.81
  40. 40.3.72 + 2.8 = ? (a) 6.42 (b) 6.62 (c) 6.52 (d) 4

Answer key

  1. 14.47
  2. 7.01
  3. 5.54
  4. 7.01
  5. 0.25
  6. 0.079
  7. 3
  8. 8.98
  9. 11.11
  10. 0.89
  11. 0.1
  12. 0.32
  13. 0.007
  14. 6.76
  15. 6.63
  16. 0.33
  17. 14.79
  18. 11.85
  19. 0.009
  20. 2.75
  21. 0.014
  22. 10.41
  23. 0.42
  24. 11.89
  25. 11.04
  26. 0.004
  27. 0.048
  28. 10.53
  29. 13.84
  30. 0.029
  31. 15.45
  32. 0.001
  33. 16.52
  34. 0.061
  35. 0.021
  36. 11.88
  37. 0.4
  38. 0.2
  39. 14.91
  40. 6.52

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