← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 9 · 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.What is the value of the digit 2 in 78.312? (a) 0.002 (b) 2 (c) 0.2 (d) 0.02
  2. 2.9.52 + 4.9 = ? (a) 14.32 (b) 10.01 (c) 14.42 (d) 14.52
  3. 3.9.21 + 7.4 = ? (a) 16.71 (b) 16.51 (c) 9.95 (d) 16.61
  4. 4.Which is the smallest: 0.8, 0.768, 0.031, 0.84? (a) 0.8 (b) 0.768 (c) 0.031 (d) 0.84
  5. 5.9.81 + 9.4 = ? (a) 19.21 (b) 19.11 (c) 19.31 (d) 10.75
  6. 6.What is the value of the digit 6 in 98.756? (a) 0.006 (b) 0.6 (c) 0.06 (d) 6
  7. 7.3.15 + 7.1 = ? (a) 3.86 (b) 10.35 (c) 10.15 (d) 10.25
  8. 8.What is the value of the digit 7 in 79.836? (a) 70 (b) 0.07 (c) 7 (d) 0.7
  9. 9.Which is the greatest: 0.027, 0.573, 0.67, 0.6? (a) 0.027 (b) 0.573 (c) 0.67 (d) 0.6
  10. 10.4.73 + 3.7 = ? (a) 8.33 (b) 5.1 (c) 8.53 (d) 8.43
  11. 11.9.21 + 9.5 = ? (a) 18.81 (b) 18.71 (c) 18.61 (d) 10.16
  12. 12.What is the value of the digit 6 in 72.694? (a) 6 (b) 0.6 (c) 0.06 (d) 0.006
  13. 13.1.65 + 1.3 = ? (a) 1.78 (b) 3.05 (c) 2.85 (d) 2.95
  14. 14.Which is the greatest: 0.038, 0.699, 0.74, 0.7? (a) 0.038 (b) 0.699 (c) 0.74 (d) 0.7
  15. 15.What is the value of the digit 1 in 61.592? (a) 1 (b) 10 (c) 0.01 (d) 0.1
  16. 16.Which is the greatest: 0.744, 0.8, 0.072, 0.82? (a) 0.744 (b) 0.8 (c) 0.072 (d) 0.82
  17. 17.Which is the greatest: 0.023, 0.22, 0.134, 0.2? (a) 0.023 (b) 0.22 (c) 0.134 (d) 0.2
  18. 18.2.16 + 4.1 = ? (a) 6.26 (b) 6.36 (c) 6.16 (d) 2.57
  19. 19.Which is the smallest: 0.085, 0.2, 0.27, 0.195? (a) 0.085 (b) 0.2 (c) 0.27 (d) 0.195
  20. 20.5.42 + 9.3 = ? (a) 14.82 (b) 14.72 (c) 6.35 (d) 14.62
  21. 21.Which is the greatest: 0.3, 0.35, 0.278, 0.064? (a) 0.3 (b) 0.35 (c) 0.278 (d) 0.064
  22. 22.Which is the greatest: 0.34, 0.241, 0.3, 0.028? (a) 0.34 (b) 0.241 (c) 0.3 (d) 0.028
  23. 23.What is the value of the digit 7 in 17.896? (a) 0.7 (b) 7 (c) 0.07 (d) 70
  24. 24.What is the value of the digit 7 in 71.562? (a) 0.07 (b) 0.7 (c) 7 (d) 70
  25. 25.Which is the smallest: 0.58, 0.5, 0.465, 0.088? (a) 0.58 (b) 0.5 (c) 0.465 (d) 0.088
  26. 26.What is the value of the digit 6 in 65.327? (a) 0.06 (b) 60 (c) 6 (d) 0.6
  27. 27.4.07 + 8.7 = ? (a) 12.77 (b) 12.87 (c) 4.94 (d) 12.67
  28. 28.Which is the greatest: 0.56, 0.071, 0.5, 0.448? (a) 0.56 (b) 0.071 (c) 0.5 (d) 0.448
  29. 29.What is the value of the digit 5 in 36.852? (a) 0.05 (b) 0.5 (c) 0.005 (d) 5
  30. 30.6.87 + 1.2 = ? (a) 6.99 (b) 8.17 (c) 7.97 (d) 8.07
  31. 31.6.83 + 9.6 = ? (a) 16.33 (b) 7.79 (c) 16.53 (d) 16.43
  32. 32.6.21 + 4.3 = ? (a) 6.64 (b) 10.51 (c) 10.41 (d) 10.61
  33. 33.9.22 + 5.2 = ? (a) 14.42 (b) 9.74 (c) 14.52 (d) 14.32
  34. 34.5.15 + 5.8 = ? (a) 10.85 (b) 5.73 (c) 11.05 (d) 10.95
  35. 35.4.84 + 1.2 = ? (a) 6.04 (b) 4.96 (c) 6.14 (d) 5.94
  36. 36.1.94 + 3.6 = ? (a) 5.64 (b) 5.44 (c) 5.54 (d) 2.3
  37. 37.2.91 + 2.7 = ? (a) 5.71 (b) 5.51 (c) 5.61 (d) 3.18
  38. 38.What is the value of the digit 1 in 24.831? (a) 0.01 (b) 1 (c) 0.001 (d) 0.1
  39. 39.9.15 + 1.9 = ? (a) 9.34 (b) 11.05 (c) 11.15 (d) 10.95
  40. 40.1.39 + 2.2 = ? (a) 3.59 (b) 3.69 (c) 1.61 (d) 3.49

Answer key

  1. 0.002
  2. 14.42
  3. 16.61
  4. 0.031
  5. 19.21
  6. 0.006
  7. 10.25
  8. 70
  9. 0.67
  10. 8.43
  11. 18.71
  12. 0.6
  13. 2.95
  14. 0.74
  15. 1
  16. 0.82
  17. 0.22
  18. 6.26
  19. 0.085
  20. 14.72
  21. 0.35
  22. 0.34
  23. 7
  24. 70
  25. 0.088
  26. 60
  27. 12.77
  28. 0.56
  29. 0.05
  30. 8.07
  31. 16.43
  32. 10.51
  33. 14.42
  34. 10.95
  35. 6.04
  36. 5.54
  37. 5.61
  38. 0.001
  39. 11.05
  40. 3.59

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