← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 414 · 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: 0.2, 0.172, 0.082, 0.23? (a) 0.2 (b) 0.172 (c) 0.082 (d) 0.23
  2. 2.9.86 + 5.1 = ? (a) 14.86 (b) 10.37 (c) 15.06 (d) 14.96
  3. 3.Which is the greatest: 0.57, 0.426, 0.049, 0.5? (a) 0.57 (b) 0.426 (c) 0.049 (d) 0.5
  4. 4.6.53 + 5.9 = ? (a) 12.43 (b) 7.12 (c) 12.33 (d) 12.53
  5. 5.What is the value of the digit 3 in 27.413? (a) 0.03 (b) 0.3 (c) 3 (d) 0.003
  6. 6.Which is the greatest: 0.81, 0.757, 0.026, 0.8? (a) 0.81 (b) 0.757 (c) 0.026 (d) 0.8
  7. 7.4.03 + 2.1 = ? (a) 6.13 (b) 6.23 (c) 4.24 (d) 6.03
  8. 8.Which is the greatest: 0.096, 0.733, 0.8, 0.86? (a) 0.096 (b) 0.733 (c) 0.8 (d) 0.86
  9. 9.Which is the greatest: 0.582, 0.078, 0.64, 0.6? (a) 0.582 (b) 0.078 (c) 0.64 (d) 0.6
  10. 10.What is the value of the digit 9 in 69.437? (a) 9 (b) 0.9 (c) 90 (d) 0.09
  11. 11.Which is the smallest: 0.8, 0.769, 0.87, 0.072? (a) 0.8 (b) 0.769 (c) 0.87 (d) 0.072
  12. 12.1.91 + 7.8 = ? (a) 9.61 (b) 9.81 (c) 2.69 (d) 9.71
  13. 13.8.17 + 5.1 = ? (a) 13.17 (b) 8.68 (c) 13.27 (d) 13.37
  14. 14.What is the value of the digit 9 in 94.526? (a) 9 (b) 90 (c) 0.09 (d) 0.9
  15. 15.5.88 + 8.1 = ? (a) 13.88 (b) 13.98 (c) 14.08 (d) 6.69
  16. 16.What is the value of the digit 1 in 32.851? (a) 0.01 (b) 0.1 (c) 1 (d) 0.001
  17. 17.Which is the greatest: 0.684, 0.75, 0.7, 0.026? (a) 0.684 (b) 0.75 (c) 0.7 (d) 0.026
  18. 18.What is the value of the digit 2 in 58.297? (a) 0.02 (b) 2 (c) 0.002 (d) 0.2
  19. 19.What is the value of the digit 2 in 24.763? (a) 2 (b) 20 (c) 0.2 (d) 0.02
  20. 20.What is the value of the digit 9 in 79.465? (a) 0.9 (b) 9 (c) 90 (d) 0.09
  21. 21.4.76 + 8.5 = ? (a) 13.36 (b) 13.16 (c) 13.26 (d) 5.61
  22. 22.What is the value of the digit 7 in 53.627? (a) 7 (b) 0.07 (c) 0.007 (d) 0.7
  23. 23.1.09 + 3.3 = ? (a) 1.42 (b) 4.29 (c) 4.39 (d) 4.49
  24. 24.1.12 + 1.9 = ? (a) 3.12 (b) 2.92 (c) 3.02 (d) 1.31
  25. 25.1.29 + 7.3 = ? (a) 2.02 (b) 8.59 (c) 8.49 (d) 8.69
  26. 26.2.19 + 9.7 = ? (a) 11.79 (b) 11.99 (c) 3.16 (d) 11.89
  27. 27.Which is the greatest: 0.129, 0.042, 0.21, 0.2? (a) 0.129 (b) 0.042 (c) 0.21 (d) 0.2
  28. 28.Which is the greatest: 0.52, 0.5, 0.463, 0.041? (a) 0.52 (b) 0.5 (c) 0.463 (d) 0.041
  29. 29.Which is the greatest: 0.086, 0.28, 0.159, 0.2? (a) 0.086 (b) 0.28 (c) 0.159 (d) 0.2
  30. 30.6.02 + 1.8 = ? (a) 7.72 (b) 7.92 (c) 7.82 (d) 6.2
  31. 31.5.63 + 3.1 = ? (a) 8.73 (b) 5.94 (c) 8.83 (d) 8.63
  32. 32.4.85 + 6.4 = ? (a) 5.49 (b) 11.15 (c) 11.35 (d) 11.25
  33. 33.What is the value of the digit 4 in 54.761? (a) 0.4 (b) 4 (c) 0.04 (d) 40
  34. 34.1.04 + 6.1 = ? (a) 1.65 (b) 7.14 (c) 7.04 (d) 7.24
  35. 35.9.37 + 6.6 = ? (a) 10.03 (b) 16.07 (c) 15.97 (d) 15.87
  36. 36.What is the value of the digit 9 in 95.716? (a) 0.09 (b) 90 (c) 9 (d) 0.9
  37. 37.What is the value of the digit 6 in 19.346? (a) 0.006 (b) 0.06 (c) 0.6 (d) 6
  38. 38.3.09 + 9.1 = ? (a) 4 (b) 12.19 (c) 12.29 (d) 12.09
  39. 39.1.16 + 2.5 = ? (a) 3.76 (b) 1.41 (c) 3.56 (d) 3.66
  40. 40.What is the value of the digit 5 in 71.635? (a) 5 (b) 0.005 (c) 0.05 (d) 0.5

Answer key

  1. 0.23
  2. 14.96
  3. 0.57
  4. 12.43
  5. 0.003
  6. 0.81
  7. 6.13
  8. 0.86
  9. 0.64
  10. 9
  11. 0.072
  12. 9.71
  13. 13.27
  14. 90
  15. 13.98
  16. 0.001
  17. 0.75
  18. 0.2
  19. 20
  20. 9
  21. 13.26
  22. 0.007
  23. 4.39
  24. 3.02
  25. 8.59
  26. 11.89
  27. 0.21
  28. 0.52
  29. 0.28
  30. 7.82
  31. 8.73
  32. 11.25
  33. 4
  34. 7.14
  35. 15.97
  36. 90
  37. 0.006
  38. 12.19
  39. 3.66
  40. 0.005

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