← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 39 · 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. 1.4.37 + 4.7 = ? (a) 9.07 (b) 4.84 (c) 9.17 (d) 8.97
  2. 2.What is the value of the digit 5 in 64.975? (a) 5 (b) 0.05 (c) 0.005 (d) 0.5
  3. 3.2.13 + 3.9 = ? (a) 2.52 (b) 6.13 (c) 5.93 (d) 6.03
  4. 4.Which is the greatest: 0.5, 0.412, 0.065, 0.58? (a) 0.5 (b) 0.412 (c) 0.065 (d) 0.58
  5. 5.Which is the greatest: 0.781, 0.098, 0.81, 0.8? (a) 0.781 (b) 0.098 (c) 0.81 (d) 0.8
  6. 6.What is the value of the digit 2 in 52.796? (a) 0.02 (b) 20 (c) 0.2 (d) 2
  7. 7.Which is the smallest: 0.699, 0.76, 0.027, 0.7? (a) 0.699 (b) 0.76 (c) 0.027 (d) 0.7
  8. 8.1.09 + 5.1 = ? (a) 6.19 (b) 1.6 (c) 6.29 (d) 6.09
  9. 9.6.46 + 2.2 = ? (a) 6.68 (b) 8.76 (c) 8.56 (d) 8.66
  10. 10.3.01 + 8.8 = ? (a) 11.91 (b) 11.71 (c) 11.81 (d) 3.89
  11. 11.Which is the smallest: 0.142, 0.054, 0.26, 0.2? (a) 0.142 (b) 0.054 (c) 0.26 (d) 0.2
  12. 12.Which is the greatest: 0.2, 0.27, 0.032, 0.169? (a) 0.2 (b) 0.27 (c) 0.032 (d) 0.169
  13. 13.Which is the greatest: 0.155, 0.036, 0.29, 0.2? (a) 0.155 (b) 0.036 (c) 0.29 (d) 0.2
  14. 14.What is the value of the digit 8 in 56.148? (a) 0.008 (b) 0.08 (c) 8 (d) 0.8
  15. 15.6.86 + 2.6 = ? (a) 9.46 (b) 9.56 (c) 9.36 (d) 7.12
  16. 16.5.79 + 7.7 = ? (a) 13.49 (b) 13.59 (c) 13.39 (d) 6.56
  17. 17.Which is the smallest: 0.711, 0.034, 0.8, 0.84? (a) 0.711 (b) 0.034 (c) 0.8 (d) 0.84
  18. 18.2.18 + 1.2 = ? (a) 2.3 (b) 3.38 (c) 3.48 (d) 3.28
  19. 19.1.23 + 4.6 = ? (a) 1.69 (b) 5.83 (c) 5.73 (d) 5.93
  20. 20.3.11 + 3.6 = ? (a) 3.47 (b) 6.81 (c) 6.71 (d) 6.61
  21. 21.Which is the greatest: 0.28, 0.137, 0.085, 0.2? (a) 0.28 (b) 0.137 (c) 0.085 (d) 0.2
  22. 22.6.36 + 8.2 = ? (a) 14.46 (b) 14.56 (c) 7.18 (d) 14.66
  23. 23.Which is the greatest: 0.465, 0.55, 0.5, 0.045? (a) 0.465 (b) 0.55 (c) 0.5 (d) 0.045
  24. 24.Which is the greatest: 0.339, 0.49, 0.042, 0.4? (a) 0.339 (b) 0.49 (c) 0.042 (d) 0.4
  25. 25.Which is the smallest: 0.474, 0.55, 0.5, 0.016? (a) 0.474 (b) 0.55 (c) 0.5 (d) 0.016
  26. 26.Which is the greatest: 0.072, 0.3, 0.31, 0.284? (a) 0.072 (b) 0.3 (c) 0.31 (d) 0.284
  27. 27.Which is the smallest: 0.71, 0.692, 0.072, 0.7? (a) 0.71 (b) 0.692 (c) 0.072 (d) 0.7
  28. 28.Which is the smallest: 0.458, 0.55, 0.5, 0.071? (a) 0.458 (b) 0.55 (c) 0.5 (d) 0.071
  29. 29.Which is the smallest: 0.3, 0.059, 0.31, 0.263? (a) 0.3 (b) 0.059 (c) 0.31 (d) 0.263
  30. 30.Which is the greatest: 0.5, 0.419, 0.54, 0.021? (a) 0.5 (b) 0.419 (c) 0.54 (d) 0.021
  31. 31.Which is the greatest: 0.47, 0.4, 0.033, 0.395? (a) 0.47 (b) 0.4 (c) 0.033 (d) 0.395
  32. 32.Which is the smallest: 0.72, 0.7, 0.648, 0.019? (a) 0.72 (b) 0.7 (c) 0.648 (d) 0.019
  33. 33.What is the value of the digit 7 in 97.512? (a) 7 (b) 0.07 (c) 70 (d) 0.7
  34. 34.Which is the smallest: 0.56, 0.5, 0.061, 0.459? (a) 0.56 (b) 0.5 (c) 0.061 (d) 0.459
  35. 35.Which is the smallest: 0.69, 0.575, 0.6, 0.023? (a) 0.69 (b) 0.575 (c) 0.6 (d) 0.023
  36. 36.Which is the smallest: 0.013, 0.113, 0.2, 0.27? (a) 0.013 (b) 0.113 (c) 0.2 (d) 0.27
  37. 37.2.68 + 2.4 = ? (a) 5.18 (b) 5.08 (c) 4.98 (d) 2.92
  38. 38.Which is the smallest: 0.36, 0.276, 0.082, 0.3? (a) 0.36 (b) 0.276 (c) 0.082 (d) 0.3
  39. 39.8.09 + 8.5 = ? (a) 8.94 (b) 16.49 (c) 16.59 (d) 16.69
  40. 40.2.18 + 9.8 = ? (a) 11.88 (b) 3.16 (c) 12.08 (d) 11.98

Answer key

  1. 9.07
  2. 0.005
  3. 6.03
  4. 0.58
  5. 0.81
  6. 2
  7. 0.027
  8. 6.19
  9. 8.66
  10. 11.81
  11. 0.054
  12. 0.27
  13. 0.29
  14. 0.008
  15. 9.46
  16. 13.49
  17. 0.034
  18. 3.38
  19. 5.83
  20. 6.71
  21. 0.28
  22. 14.56
  23. 0.55
  24. 0.49
  25. 0.016
  26. 0.31
  27. 0.072
  28. 0.071
  29. 0.059
  30. 0.54
  31. 0.47
  32. 0.019
  33. 7
  34. 0.061
  35. 0.023
  36. 0.013
  37. 5.08
  38. 0.082
  39. 16.59
  40. 11.98

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