← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 761 · 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: 0.159, 0.22, 0.078, 0.2? (a) 0.159 (b) 0.22 (c) 0.078 (d) 0.2
  2. 2.5.61 + 7.7 = ? (a) 13.41 (b) 13.21 (c) 13.31 (d) 6.38
  3. 3.What is the value of the digit 3 in 39.762? (a) 0.3 (b) 0.03 (c) 3 (d) 30
  4. 4.Which is the smallest: 0.32, 0.3, 0.216, 0.012? (a) 0.32 (b) 0.3 (c) 0.216 (d) 0.012
  5. 5.What is the value of the digit 7 in 73.152? (a) 0.07 (b) 7 (c) 0.7 (d) 70
  6. 6.8.42 + 2.5 = ? (a) 10.92 (b) 10.82 (c) 8.67 (d) 11.02
  7. 7.What is the value of the digit 4 in 74.892? (a) 40 (b) 0.4 (c) 4 (d) 0.04
  8. 8.Which is the smallest: 0.3, 0.252, 0.021, 0.33? (a) 0.3 (b) 0.252 (c) 0.021 (d) 0.33
  9. 9.6.65 + 9.6 = ? (a) 16.15 (b) 16.35 (c) 7.61 (d) 16.25
  10. 10.2.94 + 3.7 = ? (a) 3.31 (b) 6.74 (c) 6.54 (d) 6.64
  11. 11.8.25 + 1.5 = ? (a) 9.75 (b) 9.65 (c) 8.4 (d) 9.85
  12. 12.What is the value of the digit 7 in 74.695? (a) 70 (b) 7 (c) 0.7 (d) 0.07
  13. 13.Which is the smallest: 0.87, 0.8, 0.713, 0.022? (a) 0.87 (b) 0.8 (c) 0.713 (d) 0.022
  14. 14.Which is the greatest: 0.653, 0.7, 0.031, 0.77? (a) 0.653 (b) 0.7 (c) 0.031 (d) 0.77
  15. 15.Which is the smallest: 0.49, 0.031, 0.4, 0.318? (a) 0.49 (b) 0.031 (c) 0.4 (d) 0.318
  16. 16.Which is the greatest: 0.014, 0.51, 0.433, 0.5? (a) 0.014 (b) 0.51 (c) 0.433 (d) 0.5
  17. 17.Which is the smallest: 0.2, 0.062, 0.165, 0.24? (a) 0.2 (b) 0.062 (c) 0.165 (d) 0.24
  18. 18.5.41 + 1.3 = ? (a) 5.54 (b) 6.81 (c) 6.71 (d) 6.61
  19. 19.1.86 + 9.7 = ? (a) 2.83 (b) 11.66 (c) 11.46 (d) 11.56
  20. 20.2.27 + 7.1 = ? (a) 2.98 (b) 9.47 (c) 9.27 (d) 9.37
  21. 21.What is the value of the digit 5 in 28.365? (a) 0.05 (b) 0.5 (c) 5 (d) 0.005
  22. 22.What is the value of the digit 2 in 83.265? (a) 0.02 (b) 0.2 (c) 0.002 (d) 2
  23. 23.5.08 + 1.5 = ? (a) 6.68 (b) 6.48 (c) 5.23 (d) 6.58
  24. 24.What is the value of the digit 5 in 24.591? (a) 5 (b) 0.5 (c) 0.05 (d) 0.005
  25. 25.5.22 + 9.5 = ? (a) 14.82 (b) 14.72 (c) 6.17 (d) 14.62
  26. 26.8.87 + 4.2 = ? (a) 13.07 (b) 13.17 (c) 9.29 (d) 12.97
  27. 27.9.63 + 3.2 = ? (a) 12.83 (b) 9.95 (c) 12.93 (d) 12.73
  28. 28.Which is the smallest: 0.231, 0.077, 0.34, 0.3? (a) 0.231 (b) 0.077 (c) 0.34 (d) 0.3
  29. 29.What is the value of the digit 6 in 75.631? (a) 0.6 (b) 6 (c) 0.006 (d) 0.06
  30. 30.What is the value of the digit 4 in 84.937? (a) 0.4 (b) 40 (c) 0.04 (d) 4
  31. 31.What is the value of the digit 4 in 43.628? (a) 4 (b) 0.4 (c) 0.04 (d) 40
  32. 32.1.94 + 7.6 = ? (a) 9.54 (b) 2.7 (c) 9.44 (d) 9.64
  33. 33.What is the value of the digit 8 in 43.825? (a) 8 (b) 0.08 (c) 0.8 (d) 0.008
  34. 34.6.63 + 7.3 = ? (a) 7.36 (b) 14.03 (c) 13.83 (d) 13.93
  35. 35.What is the value of the digit 5 in 58.216? (a) 0.5 (b) 5 (c) 0.05 (d) 50
  36. 36.Which is the greatest: 0.69, 0.062, 0.513, 0.6? (a) 0.69 (b) 0.062 (c) 0.513 (d) 0.6
  37. 37.What is the value of the digit 4 in 19.432? (a) 0.04 (b) 0.4 (c) 0.004 (d) 4
  38. 38.3.99 + 6.2 = ? (a) 4.61 (b) 10.29 (c) 10.19 (d) 10.09
  39. 39.9.24 + 8.4 = ? (a) 17.64 (b) 17.54 (c) 17.74 (d) 10.08
  40. 40.4.05 + 1.8 = ? (a) 5.75 (b) 5.95 (c) 5.85 (d) 4.23

Answer key

  1. 0.22
  2. 13.31
  3. 30
  4. 0.012
  5. 70
  6. 10.92
  7. 4
  8. 0.021
  9. 16.25
  10. 6.64
  11. 9.75
  12. 70
  13. 0.022
  14. 0.77
  15. 0.031
  16. 0.51
  17. 0.062
  18. 6.71
  19. 11.56
  20. 9.37
  21. 0.005
  22. 0.2
  23. 6.58
  24. 0.5
  25. 14.72
  26. 13.07
  27. 12.83
  28. 0.077
  29. 0.6
  30. 4
  31. 40
  32. 9.54
  33. 0.8
  34. 13.93
  35. 50
  36. 0.69
  37. 0.4
  38. 10.19
  39. 17.64
  40. 5.85

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