← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 940 · 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 greatest: 0.5, 0.411, 0.065, 0.51? (a) 0.5 (b) 0.411 (c) 0.065 (d) 0.51
  2. 2.2.89 + 5.1 = ? (a) 8.09 (b) 3.4 (c) 7.89 (d) 7.99
  3. 3.9.51 + 5.6 = ? (a) 15.21 (b) 10.07 (c) 15.01 (d) 15.11
  4. 4.What is the value of the digit 7 in 75.849? (a) 7 (b) 70 (c) 0.07 (d) 0.7
  5. 5.7.85 + 2.8 = ? (a) 10.75 (b) 10.55 (c) 8.13 (d) 10.65
  6. 6.What is the value of the digit 1 in 25.841? (a) 1 (b) 0.001 (c) 0.1 (d) 0.01
  7. 7.8.12 + 5.5 = ? (a) 13.62 (b) 8.67 (c) 13.72 (d) 13.52
  8. 8.Which is the smallest: 0.066, 0.6, 0.577, 0.65? (a) 0.066 (b) 0.6 (c) 0.577 (d) 0.65
  9. 9.6.82 + 1.4 = ? (a) 6.96 (b) 8.22 (c) 8.12 (d) 8.32
  10. 10.8.36 + 5.4 = ? (a) 13.66 (b) 8.9 (c) 13.86 (d) 13.76
  11. 11.Which is the smallest: 0.41, 0.332, 0.013, 0.4? (a) 0.41 (b) 0.332 (c) 0.013 (d) 0.4
  12. 12.Which is the smallest: 0.28, 0.197, 0.2, 0.022? (a) 0.28 (b) 0.197 (c) 0.2 (d) 0.022
  13. 13.2.01 + 8.8 = ? (a) 10.91 (b) 10.71 (c) 2.89 (d) 10.81
  14. 14.What is the value of the digit 2 in 92.156? (a) 20 (b) 2 (c) 0.2 (d) 0.02
  15. 15.1.02 + 2.3 = ? (a) 3.22 (b) 3.42 (c) 1.25 (d) 3.32
  16. 16.2.21 + 6.5 = ? (a) 2.86 (b) 8.81 (c) 8.61 (d) 8.71
  17. 17.Which is the greatest: 0.745, 0.093, 0.8, 0.89? (a) 0.745 (b) 0.093 (c) 0.8 (d) 0.89
  18. 18.8.72 + 5.8 = ? (a) 14.42 (b) 14.52 (c) 9.3 (d) 14.62
  19. 19.What is the value of the digit 4 in 21.435? (a) 4 (b) 0.4 (c) 0.004 (d) 0.04
  20. 20.What is the value of the digit 4 in 12.874? (a) 4 (b) 0.04 (c) 0.4 (d) 0.004
  21. 21.9.77 + 4.8 = ? (a) 14.67 (b) 14.47 (c) 10.25 (d) 14.57
  22. 22.Which is the smallest: 0.5, 0.062, 0.59, 0.425? (a) 0.5 (b) 0.062 (c) 0.59 (d) 0.425
  23. 23.4.04 + 2.1 = ? (a) 4.25 (b) 6.14 (c) 6.04 (d) 6.24
  24. 24.5.71 + 1.6 = ? (a) 5.87 (b) 7.41 (c) 7.31 (d) 7.21
  25. 25.3.71 + 1.1 = ? (a) 4.91 (b) 4.81 (c) 4.71 (d) 3.82
  26. 26.Which is the greatest: 0.196, 0.29, 0.2, 0.075? (a) 0.196 (b) 0.29 (c) 0.2 (d) 0.075
  27. 27.Which is the smallest: 0.355, 0.099, 0.4, 0.47? (a) 0.355 (b) 0.099 (c) 0.4 (d) 0.47
  28. 28.2.15 + 8.7 = ? (a) 10.95 (b) 10.85 (c) 3.02 (d) 10.75
  29. 29.What is the value of the digit 3 in 31.459? (a) 0.3 (b) 0.03 (c) 3 (d) 30
  30. 30.3.79 + 6.2 = ? (a) 4.41 (b) 10.09 (c) 9.99 (d) 9.89
  31. 31.Which is the smallest: 0.84, 0.085, 0.8, 0.751? (a) 0.84 (b) 0.085 (c) 0.8 (d) 0.751
  32. 32.1.85 + 7.1 = ? (a) 8.85 (b) 8.95 (c) 2.56 (d) 9.05
  33. 33.3.18 + 5.5 = ? (a) 3.73 (b) 8.58 (c) 8.78 (d) 8.68
  34. 34.What is the value of the digit 2 in 25.679? (a) 20 (b) 0.02 (c) 2 (d) 0.2
  35. 35.Which is the greatest: 0.55, 0.064, 0.5, 0.494? (a) 0.55 (b) 0.064 (c) 0.5 (d) 0.494
  36. 36.Which is the smallest: 0.4, 0.43, 0.015, 0.336? (a) 0.4 (b) 0.43 (c) 0.015 (d) 0.336
  37. 37.4.76 + 2.1 = ? (a) 4.97 (b) 6.76 (c) 6.96 (d) 6.86
  38. 38.8.08 + 1.7 = ? (a) 8.25 (b) 9.88 (c) 9.68 (d) 9.78
  39. 39.1.41 + 9.1 = ? (a) 2.32 (b) 10.41 (c) 10.61 (d) 10.51
  40. 40.What is the value of the digit 3 in 18.923? (a) 0.03 (b) 0.3 (c) 3 (d) 0.003

Answer key

  1. 0.51
  2. 7.99
  3. 15.11
  4. 70
  5. 10.65
  6. 0.001
  7. 13.62
  8. 0.066
  9. 8.22
  10. 13.76
  11. 0.013
  12. 0.022
  13. 10.81
  14. 2
  15. 3.32
  16. 8.71
  17. 0.89
  18. 14.52
  19. 0.4
  20. 0.004
  21. 14.57
  22. 0.062
  23. 6.14
  24. 7.31
  25. 4.81
  26. 0.29
  27. 0.099
  28. 10.85
  29. 30
  30. 9.99
  31. 0.085
  32. 8.95
  33. 8.68
  34. 20
  35. 0.55
  36. 0.015
  37. 6.86
  38. 9.78
  39. 10.51
  40. 0.003

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