← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 329 · 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. 1.7.82 + 3.3 = ? (a) 11.02 (b) 8.15 (c) 11.12 (d) 11.22
  2. 2.What is the value of the digit 9 in 93.652? (a) 9 (b) 0.9 (c) 0.09 (d) 90
  3. 3.What is the value of the digit 9 in 65.219? (a) 9 (b) 0.09 (c) 0.9 (d) 0.009
  4. 4.Which is the greatest: 0.85, 0.8, 0.012, 0.795? (a) 0.85 (b) 0.8 (c) 0.012 (d) 0.795
  5. 5.What is the value of the digit 9 in 73.926? (a) 0.009 (b) 0.9 (c) 9 (d) 0.09
  6. 6.3.41 + 8.7 = ? (a) 12.01 (b) 12.21 (c) 4.28 (d) 12.11
  7. 7.What is the value of the digit 2 in 95.723? (a) 0.02 (b) 0.002 (c) 0.2 (d) 2
  8. 8.Which is the greatest: 0.49, 0.026, 0.365, 0.4? (a) 0.49 (b) 0.026 (c) 0.365 (d) 0.4
  9. 9.2.89 + 8.5 = ? (a) 11.39 (b) 11.49 (c) 3.74 (d) 11.29
  10. 10.6.87 + 1.7 = ? (a) 8.67 (b) 8.47 (c) 8.57 (d) 7.04
  11. 11.What is the value of the digit 1 in 38.419? (a) 1 (b) 0.1 (c) 0.01 (d) 0.001
  12. 12.Which is the greatest: 0.2, 0.27, 0.112, 0.079? (a) 0.2 (b) 0.27 (c) 0.112 (d) 0.079
  13. 13.Which is the greatest: 0.79, 0.7, 0.057, 0.612? (a) 0.79 (b) 0.7 (c) 0.057 (d) 0.612
  14. 14.7.91 + 2.1 = ? (a) 8.12 (b) 10.11 (c) 9.91 (d) 10.01
  15. 15.Which is the smallest: 0.173, 0.2, 0.021, 0.23? (a) 0.173 (b) 0.2 (c) 0.021 (d) 0.23
  16. 16.3.61 + 5.1 = ? (a) 8.61 (b) 8.81 (c) 8.71 (d) 4.12
  17. 17.Which is the smallest: 0.051, 0.73, 0.614, 0.7? (a) 0.051 (b) 0.73 (c) 0.614 (d) 0.7
  18. 18.6.51 + 7.8 = ? (a) 7.29 (b) 14.41 (c) 14.31 (d) 14.21
  19. 19.Which is the smallest: 0.422, 0.096, 0.56, 0.5? (a) 0.422 (b) 0.096 (c) 0.56 (d) 0.5
  20. 20.1.31 + 3.6 = ? (a) 4.91 (b) 1.67 (c) 4.81 (d) 5.01
  21. 21.What is the value of the digit 3 in 23.586? (a) 0.3 (b) 30 (c) 3 (d) 0.03
  22. 22.What is the value of the digit 1 in 31.452? (a) 1 (b) 10 (c) 0.01 (d) 0.1
  23. 23.1.08 + 9.1 = ? (a) 10.08 (b) 10.28 (c) 10.18 (d) 1.99
  24. 24.Which is the greatest: 0.047, 0.53, 0.5, 0.441? (a) 0.047 (b) 0.53 (c) 0.5 (d) 0.441
  25. 25.Which is the smallest: 0.7, 0.631, 0.73, 0.031? (a) 0.7 (b) 0.631 (c) 0.73 (d) 0.031
  26. 26.Which is the smallest: 0.017, 0.23, 0.2, 0.131? (a) 0.017 (b) 0.23 (c) 0.2 (d) 0.131
  27. 27.Which is the greatest: 0.072, 0.323, 0.4, 0.43? (a) 0.072 (b) 0.323 (c) 0.4 (d) 0.43
  28. 28.Which is the smallest: 0.4, 0.356, 0.022, 0.41? (a) 0.4 (b) 0.356 (c) 0.022 (d) 0.41
  29. 29.What is the value of the digit 3 in 62.375? (a) 0.003 (b) 0.03 (c) 3 (d) 0.3
  30. 30.What is the value of the digit 1 in 51.623? (a) 1 (b) 10 (c) 0.01 (d) 0.1
  31. 31.Which is the greatest: 0.66, 0.533, 0.019, 0.6? (a) 0.66 (b) 0.533 (c) 0.019 (d) 0.6
  32. 32.Which is the greatest: 0.054, 0.4, 0.46, 0.337? (a) 0.054 (b) 0.4 (c) 0.46 (d) 0.337
  33. 33.What is the value of the digit 6 in 46.379? (a) 60 (b) 0.6 (c) 0.06 (d) 6
  34. 34.What is the value of the digit 8 in 45.387? (a) 8 (b) 0.008 (c) 0.8 (d) 0.08
  35. 35.What is the value of the digit 7 in 72.683? (a) 0.07 (b) 70 (c) 0.7 (d) 7
  36. 36.Which is the smallest: 0.059, 0.299, 0.33, 0.3? (a) 0.059 (b) 0.299 (c) 0.33 (d) 0.3
  37. 37.1.05 + 5.7 = ? (a) 6.75 (b) 1.62 (c) 6.85 (d) 6.65
  38. 38.3.11 + 7.6 = ? (a) 3.87 (b) 10.81 (c) 10.61 (d) 10.71
  39. 39.3.57 + 2.3 = ? (a) 5.97 (b) 5.77 (c) 5.87 (d) 3.8
  40. 40.Which is the smallest: 0.044, 0.281, 0.3, 0.39? (a) 0.044 (b) 0.281 (c) 0.3 (d) 0.39

Answer key

  1. 11.12
  2. 90
  3. 0.009
  4. 0.85
  5. 0.9
  6. 12.11
  7. 0.02
  8. 0.49
  9. 11.39
  10. 8.57
  11. 0.01
  12. 0.27
  13. 0.79
  14. 10.01
  15. 0.021
  16. 8.71
  17. 0.051
  18. 14.31
  19. 0.096
  20. 4.91
  21. 3
  22. 1
  23. 10.18
  24. 0.53
  25. 0.031
  26. 0.017
  27. 0.43
  28. 0.022
  29. 0.3
  30. 1
  31. 0.66
  32. 0.46
  33. 6
  34. 0.08
  35. 70
  36. 0.059
  37. 6.75
  38. 10.71
  39. 5.87
  40. 0.044

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