← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 360 · 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. 1.9.27 + 5.9 = ? (a) 15.07 (b) 15.17 (c) 15.27 (d) 9.86
  2. 2.Which is the greatest: 0.39, 0.3, 0.046, 0.218? (a) 0.39 (b) 0.3 (c) 0.046 (d) 0.218
  3. 3.7.03 + 1.7 = ? (a) 8.83 (b) 7.2 (c) 8.63 (d) 8.73
  4. 4.4.13 + 7.3 = ? (a) 4.86 (b) 11.53 (c) 11.43 (d) 11.33
  5. 5.Which is the greatest: 0.6, 0.63, 0.561, 0.022? (a) 0.6 (b) 0.63 (c) 0.561 (d) 0.022
  6. 6.2.83 + 1.4 = ? (a) 4.33 (b) 4.13 (c) 4.23 (d) 2.97
  7. 7.7.94 + 9.9 = ? (a) 8.93 (b) 17.94 (c) 17.74 (d) 17.84
  8. 8.4.21 + 3.2 = ? (a) 7.41 (b) 7.31 (c) 7.51 (d) 4.53
  9. 9.6.23 + 1.8 = ? (a) 8.03 (b) 7.93 (c) 8.13 (d) 6.41
  10. 10.8.12 + 7.6 = ? (a) 8.88 (b) 15.62 (c) 15.82 (d) 15.72
  11. 11.Which is the greatest: 0.4, 0.47, 0.327, 0.089? (a) 0.4 (b) 0.47 (c) 0.327 (d) 0.089
  12. 12.What is the value of the digit 2 in 42.631? (a) 20 (b) 2 (c) 0.02 (d) 0.2
  13. 13.What is the value of the digit 6 in 16.379? (a) 0.06 (b) 60 (c) 0.6 (d) 6
  14. 14.Which is the smallest: 0.736, 0.037, 0.8, 0.85? (a) 0.736 (b) 0.037 (c) 0.8 (d) 0.85
  15. 15.What is the value of the digit 9 in 35.916? (a) 0.009 (b) 9 (c) 0.9 (d) 0.09
  16. 16.6.27 + 2.5 = ? (a) 8.67 (b) 6.52 (c) 8.87 (d) 8.77
  17. 17.What is the value of the digit 3 in 97.324? (a) 0.003 (b) 3 (c) 0.03 (d) 0.3
  18. 18.What is the value of the digit 8 in 81.569? (a) 80 (b) 0.8 (c) 8 (d) 0.08
  19. 19.3.04 + 7.4 = ? (a) 10.34 (b) 10.44 (c) 10.54 (d) 3.78
  20. 20.Which is the greatest: 0.271, 0.3, 0.065, 0.37? (a) 0.271 (b) 0.3 (c) 0.065 (d) 0.37
  21. 21.Which is the greatest: 0.049, 0.34, 0.3, 0.269? (a) 0.049 (b) 0.34 (c) 0.3 (d) 0.269
  22. 22.What is the value of the digit 5 in 93.587? (a) 0.005 (b) 0.05 (c) 0.5 (d) 5
  23. 23.Which is the smallest: 0.59, 0.479, 0.038, 0.5? (a) 0.59 (b) 0.479 (c) 0.038 (d) 0.5
  24. 24.What is the value of the digit 6 in 62.835? (a) 0.6 (b) 6 (c) 0.06 (d) 60
  25. 25.Which is the greatest: 0.34, 0.3, 0.038, 0.287? (a) 0.34 (b) 0.3 (c) 0.038 (d) 0.287
  26. 26.What is the value of the digit 4 in 92.784? (a) 4 (b) 0.04 (c) 0.004 (d) 0.4
  27. 27.Which is the smallest: 0.151, 0.2, 0.22, 0.032? (a) 0.151 (b) 0.2 (c) 0.22 (d) 0.032
  28. 28.1.04 + 5.2 = ? (a) 6.14 (b) 1.56 (c) 6.34 (d) 6.24
  29. 29.What is the value of the digit 9 in 13.692? (a) 0.09 (b) 9 (c) 0.009 (d) 0.9
  30. 30.What is the value of the digit 8 in 78.652? (a) 80 (b) 0.8 (c) 8 (d) 0.08
  31. 31.Which is the smallest: 0.47, 0.391, 0.019, 0.4? (a) 0.47 (b) 0.391 (c) 0.019 (d) 0.4
  32. 32.2.56 + 1.7 = ? (a) 4.16 (b) 2.73 (c) 4.26 (d) 4.36
  33. 33.Which is the greatest: 0.051, 0.727, 0.81, 0.8? (a) 0.051 (b) 0.727 (c) 0.81 (d) 0.8
  34. 34.What is the value of the digit 7 in 25.781? (a) 0.07 (b) 0.7 (c) 0.007 (d) 7
  35. 35.Which is the smallest: 0.36, 0.085, 0.288, 0.3? (a) 0.36 (b) 0.085 (c) 0.288 (d) 0.3
  36. 36.Which is the greatest: 0.3, 0.31, 0.243, 0.055? (a) 0.3 (b) 0.31 (c) 0.243 (d) 0.055
  37. 37.Which is the greatest: 0.698, 0.077, 0.7, 0.71? (a) 0.698 (b) 0.077 (c) 0.7 (d) 0.71
  38. 38.What is the value of the digit 2 in 47.612? (a) 0.002 (b) 0.02 (c) 2 (d) 0.2
  39. 39.9.45 + 4.4 = ? (a) 13.95 (b) 9.89 (c) 13.85 (d) 13.75
  40. 40.Which is the smallest: 0.342, 0.082, 0.4, 0.46? (a) 0.342 (b) 0.082 (c) 0.4 (d) 0.46

Answer key

  1. 15.17
  2. 0.39
  3. 8.73
  4. 11.43
  5. 0.63
  6. 4.23
  7. 17.84
  8. 7.41
  9. 8.03
  10. 15.72
  11. 0.47
  12. 2
  13. 6
  14. 0.037
  15. 0.9
  16. 8.77
  17. 0.3
  18. 80
  19. 10.44
  20. 0.37
  21. 0.34
  22. 0.5
  23. 0.038
  24. 60
  25. 0.34
  26. 0.004
  27. 0.032
  28. 6.24
  29. 0.09
  30. 8
  31. 0.019
  32. 4.26
  33. 0.81
  34. 0.7
  35. 0.085
  36. 0.31
  37. 0.71
  38. 0.002
  39. 13.85
  40. 0.082

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