← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 899 · 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 9 in 85.937? (a) 0.009 (b) 0.09 (c) 9 (d) 0.9
  2. 2.Which is the greatest: 0.678, 0.79, 0.039, 0.7? (a) 0.678 (b) 0.79 (c) 0.039 (d) 0.7
  3. 3.What is the value of the digit 9 in 75.398? (a) 0.09 (b) 0.9 (c) 0.009 (d) 9
  4. 4.What is the value of the digit 6 in 57.649? (a) 6 (b) 0.6 (c) 0.006 (d) 0.06
  5. 5.Which is the smallest: 0.122, 0.28, 0.2, 0.012? (a) 0.122 (b) 0.28 (c) 0.2 (d) 0.012
  6. 6.What is the value of the digit 2 in 14.762? (a) 2 (b) 0.2 (c) 0.002 (d) 0.02
  7. 7.What is the value of the digit 9 in 25.679? (a) 0.09 (b) 9 (c) 0.009 (d) 0.9
  8. 8.What is the value of the digit 4 in 57.194? (a) 0.004 (b) 4 (c) 0.4 (d) 0.04
  9. 9.What is the value of the digit 7 in 31.687? (a) 0.07 (b) 7 (c) 0.7 (d) 0.007
  10. 10.7.69 + 2.4 = ? (a) 7.93 (b) 9.99 (c) 10.19 (d) 10.09
  11. 11.5.28 + 1.5 = ? (a) 5.43 (b) 6.68 (c) 6.78 (d) 6.88
  12. 12.3.75 + 1.7 = ? (a) 5.35 (b) 5.45 (c) 5.55 (d) 3.92
  13. 13.Which is the smallest: 0.6, 0.055, 0.64, 0.562? (a) 0.6 (b) 0.055 (c) 0.64 (d) 0.562
  14. 14.Which is the greatest: 0.29, 0.054, 0.2, 0.199? (a) 0.29 (b) 0.054 (c) 0.2 (d) 0.199
  15. 15.5.16 + 7.2 = ? (a) 12.26 (b) 12.46 (c) 12.36 (d) 5.88
  16. 16.4.73 + 7.2 = ? (a) 5.45 (b) 11.83 (c) 11.93 (d) 12.03
  17. 17.What is the value of the digit 4 in 24.189? (a) 0.4 (b) 0.04 (c) 4 (d) 40
  18. 18.What is the value of the digit 2 in 29.341? (a) 0.02 (b) 20 (c) 2 (d) 0.2
  19. 19.8.06 + 7.4 = ? (a) 15.36 (b) 15.56 (c) 15.46 (d) 8.8
  20. 20.Which is the smallest: 0.21, 0.2, 0.032, 0.164? (a) 0.21 (b) 0.2 (c) 0.032 (d) 0.164
  21. 21.Which is the smallest: 0.173, 0.2, 0.26, 0.071? (a) 0.173 (b) 0.2 (c) 0.26 (d) 0.071
  22. 22.2.93 + 2.3 = ? (a) 3.16 (b) 5.23 (c) 5.13 (d) 5.33
  23. 23.What is the value of the digit 1 in 48.912? (a) 1 (b) 0.001 (c) 0.01 (d) 0.1
  24. 24.Which is the smallest: 0.54, 0.5, 0.451, 0.081? (a) 0.54 (b) 0.5 (c) 0.451 (d) 0.081
  25. 25.4.69 + 6.2 = ? (a) 10.89 (b) 10.79 (c) 5.31 (d) 10.99
  26. 26.What is the value of the digit 8 in 81.547? (a) 8 (b) 80 (c) 0.08 (d) 0.8
  27. 27.What is the value of the digit 7 in 78.653? (a) 0.7 (b) 0.07 (c) 7 (d) 70
  28. 28.What is the value of the digit 1 in 98.124? (a) 0.001 (b) 0.01 (c) 0.1 (d) 1
  29. 29.What is the value of the digit 7 in 71.598? (a) 0.7 (b) 70 (c) 7 (d) 0.07
  30. 30.Which is the smallest: 0.254, 0.067, 0.3, 0.35? (a) 0.254 (b) 0.067 (c) 0.3 (d) 0.35
  31. 31.Which is the greatest: 0.166, 0.25, 0.045, 0.2? (a) 0.166 (b) 0.25 (c) 0.045 (d) 0.2
  32. 32.7.42 + 5.1 = ? (a) 7.93 (b) 12.62 (c) 12.52 (d) 12.42
  33. 33.2.21 + 6.2 = ? (a) 8.51 (b) 2.83 (c) 8.31 (d) 8.41
  34. 34.9.71 + 2.8 = ? (a) 9.99 (b) 12.41 (c) 12.51 (d) 12.61
  35. 35.8.65 + 2.4 = ? (a) 8.89 (b) 11.05 (c) 10.95 (d) 11.15
  36. 36.6.83 + 2.9 = ? (a) 9.63 (b) 9.83 (c) 9.73 (d) 7.12
  37. 37.What is the value of the digit 9 in 92.514? (a) 0.9 (b) 90 (c) 9 (d) 0.09
  38. 38.Which is the greatest: 0.59, 0.5, 0.499, 0.012? (a) 0.59 (b) 0.5 (c) 0.499 (d) 0.012
  39. 39.What is the value of the digit 3 in 49.723? (a) 0.3 (b) 3 (c) 0.003 (d) 0.03
  40. 40.Which is the smallest: 0.5, 0.457, 0.56, 0.037? (a) 0.5 (b) 0.457 (c) 0.56 (d) 0.037

Answer key

  1. 0.9
  2. 0.79
  3. 0.09
  4. 0.6
  5. 0.012
  6. 0.002
  7. 0.009
  8. 0.004
  9. 0.007
  10. 10.09
  11. 6.78
  12. 5.45
  13. 0.055
  14. 0.29
  15. 12.36
  16. 11.93
  17. 4
  18. 20
  19. 15.46
  20. 0.032
  21. 0.071
  22. 5.23
  23. 0.01
  24. 0.081
  25. 10.89
  26. 80
  27. 70
  28. 0.1
  29. 70
  30. 0.067
  31. 0.25
  32. 12.52
  33. 8.41
  34. 12.51
  35. 11.05
  36. 9.73
  37. 90
  38. 0.59
  39. 0.003
  40. 0.037

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