← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 772 · 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.What is the value of the digit 7 in 78.619? (a) 7 (b) 0.07 (c) 0.7 (d) 70
  2. 2.What is the value of the digit 7 in 75.236? (a) 0.07 (b) 70 (c) 7 (d) 0.7
  3. 3.6.31 + 2.6 = ? (a) 8.91 (b) 8.81 (c) 9.01 (d) 6.57
  4. 4.4.26 + 6.7 = ? (a) 4.93 (b) 11.06 (c) 10.96 (d) 10.86
  5. 5.What is the value of the digit 9 in 94.318? (a) 9 (b) 0.09 (c) 0.9 (d) 90
  6. 6.2.59 + 5.4 = ? (a) 7.89 (b) 3.13 (c) 7.99 (d) 8.09
  7. 7.3.94 + 5.1 = ? (a) 8.94 (b) 9.04 (c) 9.14 (d) 4.45
  8. 8.Which is the smallest: 0.484, 0.085, 0.58, 0.5? (a) 0.484 (b) 0.085 (c) 0.58 (d) 0.5
  9. 9.4.68 + 4.5 = ? (a) 9.28 (b) 5.13 (c) 9.08 (d) 9.18
  10. 10.6.96 + 5.5 = ? (a) 12.56 (b) 12.36 (c) 12.46 (d) 7.51
  11. 11.Which is the smallest: 0.67, 0.6, 0.581, 0.033? (a) 0.67 (b) 0.6 (c) 0.581 (d) 0.033
  12. 12.6.45 + 4.2 = ? (a) 10.55 (b) 10.65 (c) 6.87 (d) 10.75
  13. 13.Which is the greatest: 0.6, 0.62, 0.075, 0.564? (a) 0.6 (b) 0.62 (c) 0.075 (d) 0.564
  14. 14.7.27 + 5.9 = ? (a) 13.17 (b) 13.27 (c) 7.86 (d) 13.07
  15. 15.8.98 + 5.8 = ? (a) 14.78 (b) 9.56 (c) 14.88 (d) 14.68
  16. 16.7.49 + 9.6 = ? (a) 17.09 (b) 8.45 (c) 16.99 (d) 17.19
  17. 17.2.59 + 7.8 = ? (a) 10.49 (b) 10.39 (c) 10.29 (d) 3.37
  18. 18.Which is the smallest: 0.033, 0.8, 0.734, 0.87? (a) 0.033 (b) 0.8 (c) 0.734 (d) 0.87
  19. 19.6.31 + 3.1 = ? (a) 6.62 (b) 9.31 (c) 9.51 (d) 9.41
  20. 20.9.86 + 2.3 = ? (a) 12.16 (b) 10.09 (c) 12.26 (d) 12.06
  21. 21.What is the value of the digit 2 in 25.368? (a) 20 (b) 0.02 (c) 2 (d) 0.2
  22. 22.What is the value of the digit 3 in 67.395? (a) 0.03 (b) 3 (c) 0.003 (d) 0.3
  23. 23.Which is the greatest: 0.55, 0.5, 0.439, 0.064? (a) 0.55 (b) 0.5 (c) 0.439 (d) 0.064
  24. 24.2.58 + 1.7 = ? (a) 2.75 (b) 4.28 (c) 4.18 (d) 4.38
  25. 25.What is the value of the digit 2 in 21.543? (a) 0.02 (b) 20 (c) 0.2 (d) 2
  26. 26.What is the value of the digit 2 in 21.896? (a) 0.2 (b) 2 (c) 20 (d) 0.02
  27. 27.Which is the greatest: 0.24, 0.111, 0.2, 0.092? (a) 0.24 (b) 0.111 (c) 0.2 (d) 0.092
  28. 28.Which is the greatest: 0.5, 0.096, 0.417, 0.58? (a) 0.5 (b) 0.096 (c) 0.417 (d) 0.58
  29. 29.What is the value of the digit 8 in 68.359? (a) 0.8 (b) 0.08 (c) 80 (d) 8
  30. 30.What is the value of the digit 2 in 26.875? (a) 20 (b) 2 (c) 0.2 (d) 0.02
  31. 31.7.72 + 1.3 = ? (a) 7.85 (b) 9.12 (c) 9.02 (d) 8.92
  32. 32.What is the value of the digit 2 in 14.527? (a) 0.002 (b) 0.2 (c) 0.02 (d) 2
  33. 33.8.71 + 9.4 = ? (a) 9.65 (b) 18.21 (c) 18.11 (d) 18.01
  34. 34.Which is the greatest: 0.026, 0.22, 0.2, 0.122? (a) 0.026 (b) 0.22 (c) 0.2 (d) 0.122
  35. 35.Which is the greatest: 0.046, 0.24, 0.2, 0.133? (a) 0.046 (b) 0.24 (c) 0.2 (d) 0.133
  36. 36.2.39 + 5.3 = ? (a) 7.59 (b) 7.79 (c) 7.69 (d) 2.92
  37. 37.What is the value of the digit 6 in 34.926? (a) 6 (b) 0.6 (c) 0.06 (d) 0.006
  38. 38.Which is the smallest: 0.082, 0.127, 0.25, 0.2? (a) 0.082 (b) 0.127 (c) 0.25 (d) 0.2
  39. 39.Which is the greatest: 0.591, 0.069, 0.62, 0.6? (a) 0.591 (b) 0.069 (c) 0.62 (d) 0.6
  40. 40.Which is the greatest: 0.025, 0.7, 0.621, 0.73? (a) 0.025 (b) 0.7 (c) 0.621 (d) 0.73

Answer key

  1. 70
  2. 70
  3. 8.91
  4. 10.96
  5. 90
  6. 7.99
  7. 9.04
  8. 0.085
  9. 9.18
  10. 12.46
  11. 0.033
  12. 10.65
  13. 0.62
  14. 13.17
  15. 14.78
  16. 17.09
  17. 10.39
  18. 0.033
  19. 9.41
  20. 12.16
  21. 20
  22. 0.3
  23. 0.55
  24. 4.28
  25. 20
  26. 20
  27. 0.24
  28. 0.58
  29. 8
  30. 20
  31. 9.02
  32. 0.02
  33. 18.11
  34. 0.22
  35. 0.24
  36. 7.69
  37. 0.006
  38. 0.082
  39. 0.62
  40. 0.73

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