← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 971 · 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. 1.1.73 + 9.6 = ? (a) 2.69 (b) 11.43 (c) 11.23 (d) 11.33
  2. 2.1.29 + 3.1 = ? (a) 1.6 (b) 4.29 (c) 4.39 (d) 4.49
  3. 3.What is the value of the digit 4 in 63.481? (a) 0.4 (b) 0.004 (c) 0.04 (d) 4
  4. 4.Which is the greatest: 0.21, 0.192, 0.2, 0.036? (a) 0.21 (b) 0.192 (c) 0.2 (d) 0.036
  5. 5.What is the value of the digit 7 in 75.832? (a) 7 (b) 0.7 (c) 70 (d) 0.07
  6. 6.What is the value of the digit 4 in 61.439? (a) 0.04 (b) 0.004 (c) 0.4 (d) 4
  7. 7.Which is the greatest: 0.542, 0.086, 0.64, 0.6? (a) 0.542 (b) 0.086 (c) 0.64 (d) 0.6
  8. 8.4.17 + 7.1 = ? (a) 11.37 (b) 11.17 (c) 4.88 (d) 11.27
  9. 9.6.21 + 1.1 = ? (a) 6.32 (b) 7.21 (c) 7.41 (d) 7.31
  10. 10.What is the value of the digit 6 in 86.547? (a) 6 (b) 0.06 (c) 60 (d) 0.6
  11. 11.Which is the greatest: 0.084, 0.4, 0.41, 0.355? (a) 0.084 (b) 0.4 (c) 0.41 (d) 0.355
  12. 12.6.84 + 5.6 = ? (a) 7.4 (b) 12.54 (c) 12.34 (d) 12.44
  13. 13.Which is the greatest: 0.82, 0.013, 0.776, 0.8? (a) 0.82 (b) 0.013 (c) 0.776 (d) 0.8
  14. 14.6.01 + 7.8 = ? (a) 6.79 (b) 13.91 (c) 13.71 (d) 13.81
  15. 15.Which is the greatest: 0.61, 0.522, 0.022, 0.6? (a) 0.61 (b) 0.522 (c) 0.022 (d) 0.6
  16. 16.What is the value of the digit 1 in 51.468? (a) 1 (b) 0.1 (c) 0.01 (d) 10
  17. 17.Which is the greatest: 0.57, 0.457, 0.029, 0.5? (a) 0.57 (b) 0.457 (c) 0.029 (d) 0.5
  18. 18.Which is the greatest: 0.61, 0.6, 0.582, 0.022? (a) 0.61 (b) 0.6 (c) 0.582 (d) 0.022
  19. 19.Which is the greatest: 0.32, 0.026, 0.3, 0.243? (a) 0.32 (b) 0.026 (c) 0.3 (d) 0.243
  20. 20.8.71 + 4.2 = ? (a) 12.81 (b) 9.13 (c) 13.01 (d) 12.91
  21. 21.What is the value of the digit 9 in 34.197? (a) 9 (b) 0.09 (c) 0.9 (d) 0.009
  22. 22.Which is the smallest: 0.86, 0.043, 0.757, 0.8? (a) 0.86 (b) 0.043 (c) 0.757 (d) 0.8
  23. 23.8.27 + 4.7 = ? (a) 8.74 (b) 12.87 (c) 12.97 (d) 13.07
  24. 24.Which is the greatest: 0.57, 0.421, 0.038, 0.5? (a) 0.57 (b) 0.421 (c) 0.038 (d) 0.5
  25. 25.8.91 + 5.4 = ? (a) 14.41 (b) 9.45 (c) 14.31 (d) 14.21
  26. 26.3.59 + 4.8 = ? (a) 8.29 (b) 4.07 (c) 8.49 (d) 8.39
  27. 27.Which is the smallest: 0.24, 0.141, 0.043, 0.2? (a) 0.24 (b) 0.141 (c) 0.043 (d) 0.2
  28. 28.1.73 + 2.8 = ? (a) 4.53 (b) 4.63 (c) 2.01 (d) 4.43
  29. 29.Which is the greatest: 0.236, 0.3, 0.033, 0.33? (a) 0.236 (b) 0.3 (c) 0.033 (d) 0.33
  30. 30.What is the value of the digit 4 in 15.472? (a) 0.04 (b) 4 (c) 0.004 (d) 0.4
  31. 31.Which is the smallest: 0.026, 0.5, 0.473, 0.54? (a) 0.026 (b) 0.5 (c) 0.473 (d) 0.54
  32. 32.Which is the greatest: 0.89, 0.8, 0.761, 0.053? (a) 0.89 (b) 0.8 (c) 0.761 (d) 0.053
  33. 33.Which is the greatest: 0.021, 0.34, 0.3, 0.282? (a) 0.021 (b) 0.34 (c) 0.3 (d) 0.282
  34. 34.2.54 + 8.3 = ? (a) 10.94 (b) 10.74 (c) 10.84 (d) 3.37
  35. 35.What is the value of the digit 9 in 71.259? (a) 0.009 (b) 9 (c) 0.09 (d) 0.9
  36. 36.7.03 + 8.6 = ? (a) 15.53 (b) 15.73 (c) 15.63 (d) 7.89
  37. 37.4.44 + 7.4 = ? (a) 11.74 (b) 5.18 (c) 11.84 (d) 11.94
  38. 38.Which is the smallest: 0.35, 0.266, 0.088, 0.3? (a) 0.35 (b) 0.266 (c) 0.088 (d) 0.3
  39. 39.Which is the greatest: 0.067, 0.2, 0.28, 0.133? (a) 0.067 (b) 0.2 (c) 0.28 (d) 0.133
  40. 40.2.32 + 2.1 = ? (a) 2.53 (b) 4.32 (c) 4.52 (d) 4.42

Answer key

  1. 11.33
  2. 4.39
  3. 0.4
  4. 0.21
  5. 70
  6. 0.4
  7. 0.64
  8. 11.27
  9. 7.31
  10. 6
  11. 0.41
  12. 12.44
  13. 0.82
  14. 13.81
  15. 0.61
  16. 1
  17. 0.57
  18. 0.61
  19. 0.32
  20. 12.91
  21. 0.09
  22. 0.043
  23. 12.97
  24. 0.57
  25. 14.31
  26. 8.39
  27. 0.043
  28. 4.53
  29. 0.33
  30. 0.4
  31. 0.026
  32. 0.89
  33. 0.34
  34. 10.84
  35. 0.009
  36. 15.63
  37. 11.84
  38. 0.088
  39. 0.28
  40. 4.42

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