← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 265 · 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. 1.7.42 + 4.2 = ? (a) 7.84 (b) 11.52 (c) 11.72 (d) 11.62
  2. 2.What is the value of the digit 3 in 36.194? (a) 30 (b) 0.3 (c) 0.03 (d) 3
  3. 3.Which is the greatest: 0.225, 0.32, 0.3, 0.034? (a) 0.225 (b) 0.32 (c) 0.3 (d) 0.034
  4. 4.4.23 + 7.9 = ? (a) 5.02 (b) 12.03 (c) 12.13 (d) 12.23
  5. 5.7.51 + 9.7 = ? (a) 8.48 (b) 17.11 (c) 17.21 (d) 17.31
  6. 6.4.33 + 4.4 = ? (a) 8.83 (b) 4.77 (c) 8.73 (d) 8.63
  7. 7.What is the value of the digit 4 in 84.512? (a) 0.4 (b) 4 (c) 0.04 (d) 40
  8. 8.What is the value of the digit 9 in 43.975? (a) 0.09 (b) 9 (c) 0.009 (d) 0.9
  9. 9.What is the value of the digit 2 in 78.529? (a) 0.2 (b) 0.002 (c) 2 (d) 0.02
  10. 10.Which is the smallest: 0.036, 0.23, 0.2, 0.193? (a) 0.036 (b) 0.23 (c) 0.2 (d) 0.193
  11. 11.Which is the greatest: 0.013, 0.321, 0.48, 0.4? (a) 0.013 (b) 0.321 (c) 0.48 (d) 0.4
  12. 12.What is the value of the digit 2 in 71.235? (a) 2 (b) 0.02 (c) 0.002 (d) 0.2
  13. 13.Which is the greatest: 0.049, 0.21, 0.156, 0.2? (a) 0.049 (b) 0.21 (c) 0.156 (d) 0.2
  14. 14.What is the value of the digit 5 in 52.761? (a) 0.5 (b) 50 (c) 0.05 (d) 5
  15. 15.6.52 + 6.2 = ? (a) 7.14 (b) 12.62 (c) 12.82 (d) 12.72
  16. 16.5.46 + 2.5 = ? (a) 5.71 (b) 8.06 (c) 7.86 (d) 7.96
  17. 17.What is the value of the digit 6 in 13.468? (a) 0.06 (b) 0.006 (c) 0.6 (d) 6
  18. 18.What is the value of the digit 7 in 47.918? (a) 0.7 (b) 0.07 (c) 7 (d) 70
  19. 19.Which is the smallest: 0.624, 0.79, 0.047, 0.7? (a) 0.624 (b) 0.79 (c) 0.047 (d) 0.7
  20. 20.What is the value of the digit 6 in 68.514? (a) 0.6 (b) 0.06 (c) 60 (d) 6
  21. 21.What is the value of the digit 9 in 98.234? (a) 0.9 (b) 0.09 (c) 90 (d) 9
  22. 22.4.99 + 6.3 = ? (a) 5.62 (b) 11.19 (c) 11.29 (d) 11.39
  23. 23.What is the value of the digit 4 in 34.825? (a) 0.4 (b) 4 (c) 40 (d) 0.04
  24. 24.9.53 + 7.9 = ? (a) 10.32 (b) 17.53 (c) 17.33 (d) 17.43
  25. 25.Which is the greatest: 0.5, 0.51, 0.054, 0.472? (a) 0.5 (b) 0.51 (c) 0.054 (d) 0.472
  26. 26.Which is the smallest: 0.727, 0.83, 0.033, 0.8? (a) 0.727 (b) 0.83 (c) 0.033 (d) 0.8
  27. 27.Which is the smallest: 0.75, 0.013, 0.615, 0.7? (a) 0.75 (b) 0.013 (c) 0.615 (d) 0.7
  28. 28.What is the value of the digit 1 in 14.728? (a) 0.01 (b) 10 (c) 1 (d) 0.1
  29. 29.4.34 + 5.4 = ? (a) 9.84 (b) 9.74 (c) 9.64 (d) 4.88
  30. 30.What is the value of the digit 7 in 79.385? (a) 7 (b) 70 (c) 0.07 (d) 0.7
  31. 31.3.85 + 9.9 = ? (a) 13.65 (b) 13.85 (c) 13.75 (d) 4.84
  32. 32.What is the value of the digit 9 in 58.294? (a) 0.09 (b) 9 (c) 0.9 (d) 0.009
  33. 33.5.09 + 8.1 = ? (a) 13.09 (b) 13.29 (c) 5.9 (d) 13.19
  34. 34.Which is the greatest: 0.536, 0.011, 0.6, 0.64? (a) 0.536 (b) 0.011 (c) 0.6 (d) 0.64
  35. 35.Which is the greatest: 0.067, 0.62, 0.588, 0.6? (a) 0.067 (b) 0.62 (c) 0.588 (d) 0.6
  36. 36.1.55 + 4.5 = ? (a) 6.05 (b) 2 (c) 6.15 (d) 5.95
  37. 37.Which is the smallest: 0.2, 0.031, 0.157, 0.24? (a) 0.2 (b) 0.031 (c) 0.157 (d) 0.24
  38. 38.3.35 + 6.7 = ? (a) 10.05 (b) 9.95 (c) 4.02 (d) 10.15
  39. 39.4.42 + 7.6 = ? (a) 5.18 (b) 11.92 (c) 12.02 (d) 12.12
  40. 40.Which is the greatest: 0.368, 0.4, 0.056, 0.44? (a) 0.368 (b) 0.4 (c) 0.056 (d) 0.44

Answer key

  1. 11.62
  2. 30
  3. 0.32
  4. 12.13
  5. 17.21
  6. 8.73
  7. 4
  8. 0.9
  9. 0.02
  10. 0.036
  11. 0.48
  12. 0.2
  13. 0.21
  14. 50
  15. 12.72
  16. 7.96
  17. 0.06
  18. 7
  19. 0.047
  20. 60
  21. 90
  22. 11.29
  23. 4
  24. 17.43
  25. 0.51
  26. 0.033
  27. 0.013
  28. 10
  29. 9.74
  30. 70
  31. 13.75
  32. 0.09
  33. 13.19
  34. 0.64
  35. 0.62
  36. 6.05
  37. 0.031
  38. 10.05
  39. 12.02
  40. 0.44

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