← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 778 · 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.Which is the smallest: 0.025, 0.59, 0.5, 0.435? (a) 0.025 (b) 0.59 (c) 0.5 (d) 0.435
  2. 2.Which is the greatest: 0.7, 0.637, 0.72, 0.061? (a) 0.7 (b) 0.637 (c) 0.72 (d) 0.061
  3. 3.Which is the smallest: 0.063, 0.61, 0.6, 0.578? (a) 0.063 (b) 0.61 (c) 0.6 (d) 0.578
  4. 4.8.43 + 5.5 = ? (a) 14.03 (b) 8.98 (c) 13.93 (d) 13.83
  5. 5.What is the value of the digit 2 in 12.745? (a) 20 (b) 2 (c) 0.02 (d) 0.2
  6. 6.6.84 + 4.7 = ? (a) 11.64 (b) 11.54 (c) 7.31 (d) 11.44
  7. 7.Which is the greatest: 0.047, 0.7, 0.639, 0.78? (a) 0.047 (b) 0.7 (c) 0.639 (d) 0.78
  8. 8.7.94 + 1.5 = ? (a) 8.09 (b) 9.44 (c) 9.54 (d) 9.34
  9. 9.3.57 + 4.5 = ? (a) 8.07 (b) 4.02 (c) 8.17 (d) 7.97
  10. 10.Which is the smallest: 0.735, 0.8, 0.021, 0.88? (a) 0.735 (b) 0.8 (c) 0.021 (d) 0.88
  11. 11.What is the value of the digit 4 in 39.124? (a) 0.4 (b) 0.04 (c) 4 (d) 0.004
  12. 12.8.51 + 2.6 = ? (a) 11.11 (b) 11.01 (c) 11.21 (d) 8.77
  13. 13.2.77 + 1.1 = ? (a) 3.77 (b) 3.87 (c) 2.88 (d) 3.97
  14. 14.8.57 + 7.1 = ? (a) 9.28 (b) 15.57 (c) 15.67 (d) 15.77
  15. 15.Which is the smallest: 0.016, 0.374, 0.44, 0.4? (a) 0.016 (b) 0.374 (c) 0.44 (d) 0.4
  16. 16.Which is the greatest: 0.63, 0.513, 0.6, 0.063? (a) 0.63 (b) 0.513 (c) 0.6 (d) 0.063
  17. 17.3.49 + 9.2 = ? (a) 4.41 (b) 12.69 (c) 12.79 (d) 12.59
  18. 18.What is the value of the digit 9 in 39.628? (a) 90 (b) 9 (c) 0.9 (d) 0.09
  19. 19.Which is the greatest: 0.073, 0.269, 0.38, 0.3? (a) 0.073 (b) 0.269 (c) 0.38 (d) 0.3
  20. 20.2.91 + 6.5 = ? (a) 9.41 (b) 9.51 (c) 3.56 (d) 9.31
  21. 21.1.01 + 3.5 = ? (a) 4.51 (b) 4.41 (c) 1.36 (d) 4.61
  22. 22.Which is the smallest: 0.013, 0.3, 0.281, 0.32? (a) 0.013 (b) 0.3 (c) 0.281 (d) 0.32
  23. 23.Which is the greatest: 0.266, 0.3, 0.044, 0.36? (a) 0.266 (b) 0.3 (c) 0.044 (d) 0.36
  24. 24.Which is the smallest: 0.36, 0.047, 0.291, 0.3? (a) 0.36 (b) 0.047 (c) 0.291 (d) 0.3
  25. 25.9.11 + 7.1 = ? (a) 9.82 (b) 16.11 (c) 16.21 (d) 16.31
  26. 26.Which is the smallest: 0.049, 0.52, 0.5, 0.491? (a) 0.049 (b) 0.52 (c) 0.5 (d) 0.491
  27. 27.3.71 + 8.9 = ? (a) 12.51 (b) 12.61 (c) 12.71 (d) 4.6
  28. 28.4.38 + 9.6 = ? (a) 13.98 (b) 13.88 (c) 5.34 (d) 14.08
  29. 29.What is the value of the digit 8 in 29.381? (a) 0.8 (b) 8 (c) 0.008 (d) 0.08
  30. 30.Which is the smallest: 0.25, 0.166, 0.2, 0.066? (a) 0.25 (b) 0.166 (c) 0.2 (d) 0.066
  31. 31.Which is the greatest: 0.058, 0.32, 0.212, 0.3? (a) 0.058 (b) 0.32 (c) 0.212 (d) 0.3
  32. 32.What is the value of the digit 5 in 36.597? (a) 0.005 (b) 5 (c) 0.05 (d) 0.5
  33. 33.8.69 + 4.3 = ? (a) 12.99 (b) 12.89 (c) 13.09 (d) 9.12
  34. 34.What is the value of the digit 7 in 31.479? (a) 0.7 (b) 0.07 (c) 0.007 (d) 7
  35. 35.What is the value of the digit 9 in 42.397? (a) 0.9 (b) 9 (c) 0.09 (d) 0.009
  36. 36.8.47 + 6.5 = ? (a) 14.87 (b) 9.12 (c) 15.07 (d) 14.97
  37. 37.What is the value of the digit 5 in 72.568? (a) 0.5 (b) 0.005 (c) 5 (d) 0.05
  38. 38.Which is the greatest: 0.064, 0.8, 0.83, 0.756? (a) 0.064 (b) 0.8 (c) 0.83 (d) 0.756
  39. 39.6.22 + 4.7 = ? (a) 11.02 (b) 6.69 (c) 10.92 (d) 10.82
  40. 40.Which is the greatest: 0.668, 0.7, 0.72, 0.037? (a) 0.668 (b) 0.7 (c) 0.72 (d) 0.037

Answer key

  1. 0.025
  2. 0.72
  3. 0.063
  4. 13.93
  5. 2
  6. 11.54
  7. 0.78
  8. 9.44
  9. 8.07
  10. 0.021
  11. 0.004
  12. 11.11
  13. 3.87
  14. 15.67
  15. 0.016
  16. 0.63
  17. 12.69
  18. 9
  19. 0.38
  20. 9.41
  21. 4.51
  22. 0.013
  23. 0.36
  24. 0.047
  25. 16.21
  26. 0.049
  27. 12.61
  28. 13.98
  29. 0.08
  30. 0.066
  31. 0.32
  32. 0.5
  33. 12.99
  34. 0.07
  35. 0.09
  36. 14.97
  37. 0.5
  38. 0.83
  39. 10.92
  40. 0.72

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