← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 30 · 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. 1.3.27 + 7.9 = ? (a) 11.27 (b) 4.06 (c) 11.17 (d) 11.07
  2. 2.Which is the smallest: 0.35, 0.038, 0.213, 0.3? (a) 0.35 (b) 0.038 (c) 0.213 (d) 0.3
  3. 3.5.54 + 4.1 = ? (a) 9.54 (b) 9.64 (c) 9.74 (d) 5.95
  4. 4.Which is the smallest: 0.63, 0.513, 0.054, 0.6? (a) 0.63 (b) 0.513 (c) 0.054 (d) 0.6
  5. 5.2.11 + 5.8 = ? (a) 2.69 (b) 7.81 (c) 8.01 (d) 7.91
  6. 6.What is the value of the digit 9 in 59.684? (a) 9 (b) 90 (c) 0.9 (d) 0.09
  7. 7.Which is the greatest: 0.211, 0.016, 0.3, 0.37? (a) 0.211 (b) 0.016 (c) 0.3 (d) 0.37
  8. 8.Which is the greatest: 0.566, 0.6, 0.075, 0.66? (a) 0.566 (b) 0.6 (c) 0.075 (d) 0.66
  9. 9.8.73 + 1.7 = ? (a) 10.33 (b) 8.9 (c) 10.53 (d) 10.43
  10. 10.4.44 + 4.6 = ? (a) 8.94 (b) 4.9 (c) 9.14 (d) 9.04
  11. 11.Which is the smallest: 0.111, 0.29, 0.062, 0.2? (a) 0.111 (b) 0.29 (c) 0.062 (d) 0.2
  12. 12.What is the value of the digit 3 in 36.125? (a) 0.3 (b) 30 (c) 3 (d) 0.03
  13. 13.Which is the greatest: 0.065, 0.8, 0.718, 0.87? (a) 0.065 (b) 0.8 (c) 0.718 (d) 0.87
  14. 14.What is the value of the digit 1 in 57.618? (a) 0.001 (b) 0.01 (c) 1 (d) 0.1
  15. 15.What is the value of the digit 7 in 81.637? (a) 0.7 (b) 0.07 (c) 7 (d) 0.007
  16. 16.Which is the smallest: 0.013, 0.2, 0.29, 0.135? (a) 0.013 (b) 0.2 (c) 0.29 (d) 0.135
  17. 17.Which is the greatest: 0.098, 0.75, 0.7, 0.679? (a) 0.098 (b) 0.75 (c) 0.7 (d) 0.679
  18. 18.What is the value of the digit 3 in 54.381? (a) 0.03 (b) 3 (c) 0.3 (d) 0.003
  19. 19.7.67 + 3.1 = ? (a) 10.77 (b) 7.98 (c) 10.67 (d) 10.87
  20. 20.1.91 + 6.1 = ? (a) 7.91 (b) 8.11 (c) 2.52 (d) 8.01
  21. 21.What is the value of the digit 7 in 26.789? (a) 0.7 (b) 0.07 (c) 7 (d) 0.007
  22. 22.Which is the greatest: 0.58, 0.037, 0.487, 0.5? (a) 0.58 (b) 0.037 (c) 0.487 (d) 0.5
  23. 23.What is the value of the digit 4 in 24.856? (a) 0.4 (b) 0.04 (c) 40 (d) 4
  24. 24.What is the value of the digit 6 in 82.164? (a) 0.006 (b) 0.6 (c) 6 (d) 0.06
  25. 25.What is the value of the digit 7 in 72.489? (a) 7 (b) 0.07 (c) 70 (d) 0.7
  26. 26.6.38 + 1.5 = ? (a) 7.88 (b) 6.53 (c) 7.98 (d) 7.78
  27. 27.What is the value of the digit 6 in 26.348? (a) 6 (b) 0.06 (c) 60 (d) 0.6
  28. 28.9.39 + 7.9 = ? (a) 17.29 (b) 17.19 (c) 17.39 (d) 10.18
  29. 29.2.48 + 4.1 = ? (a) 6.68 (b) 2.89 (c) 6.48 (d) 6.58
  30. 30.What is the value of the digit 6 in 78.625? (a) 0.6 (b) 6 (c) 0.006 (d) 0.06
  31. 31.2.34 + 7.4 = ? (a) 9.74 (b) 9.84 (c) 9.64 (d) 3.08
  32. 32.5.45 + 3.4 = ? (a) 8.95 (b) 5.79 (c) 8.75 (d) 8.85
  33. 33.1.52 + 3.2 = ? (a) 4.72 (b) 4.62 (c) 1.84 (d) 4.82
  34. 34.What is the value of the digit 6 in 57.169? (a) 6 (b) 0.6 (c) 0.06 (d) 0.006
  35. 35.What is the value of the digit 4 in 46.892? (a) 0.4 (b) 4 (c) 0.04 (d) 40
  36. 36.8.99 + 5.2 = ? (a) 14.09 (b) 14.19 (c) 9.51 (d) 14.29
  37. 37.8.64 + 6.2 = ? (a) 14.74 (b) 14.94 (c) 9.26 (d) 14.84
  38. 38.What is the value of the digit 7 in 12.957? (a) 7 (b) 0.7 (c) 0.07 (d) 0.007
  39. 39.3.67 + 4.3 = ? (a) 7.97 (b) 7.87 (c) 8.07 (d) 4.1
  40. 40.7.92 + 6.2 = ? (a) 14.22 (b) 14.12 (c) 8.54 (d) 14.02

Answer key

  1. 11.17
  2. 0.038
  3. 9.64
  4. 0.054
  5. 7.91
  6. 9
  7. 0.37
  8. 0.66
  9. 10.43
  10. 9.04
  11. 0.062
  12. 30
  13. 0.87
  14. 0.01
  15. 0.007
  16. 0.013
  17. 0.75
  18. 0.3
  19. 10.77
  20. 8.01
  21. 0.7
  22. 0.58
  23. 4
  24. 0.06
  25. 70
  26. 7.88
  27. 6
  28. 17.29
  29. 6.58
  30. 0.6
  31. 9.74
  32. 8.85
  33. 4.72
  34. 0.06
  35. 40
  36. 14.19
  37. 14.84
  38. 0.007
  39. 7.97
  40. 14.12

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