← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 261 · 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 3 in 37.458? (a) 0.3 (b) 0.03 (c) 3 (d) 30
  2. 2.What is the value of the digit 4 in 23.941? (a) 0.4 (b) 0.04 (c) 0.004 (d) 4
  3. 3.What is the value of the digit 4 in 49.261? (a) 0.04 (b) 0.4 (c) 40 (d) 4
  4. 4.What is the value of the digit 9 in 48.219? (a) 9 (b) 0.9 (c) 0.009 (d) 0.09
  5. 5.Which is the greatest: 0.3, 0.36, 0.039, 0.238? (a) 0.3 (b) 0.36 (c) 0.039 (d) 0.238
  6. 6.1.62 + 4.6 = ? (a) 2.08 (b) 6.12 (c) 6.32 (d) 6.22
  7. 7.Which is the greatest: 0.021, 0.726, 0.8, 0.87? (a) 0.021 (b) 0.726 (c) 0.8 (d) 0.87
  8. 8.What is the value of the digit 4 in 85.143? (a) 4 (b) 0.04 (c) 0.4 (d) 0.004
  9. 9.2.31 + 2.1 = ? (a) 4.31 (b) 4.51 (c) 4.41 (d) 2.52
  10. 10.4.06 + 9.1 = ? (a) 4.97 (b) 13.06 (c) 13.16 (d) 13.26
  11. 11.6.32 + 5.1 = ? (a) 11.32 (b) 11.42 (c) 11.52 (d) 6.83
  12. 12.What is the value of the digit 5 in 73.251? (a) 5 (b) 0.5 (c) 0.05 (d) 0.005
  13. 13.3.81 + 9.1 = ? (a) 12.91 (b) 4.72 (c) 13.01 (d) 12.81
  14. 14.Which is the smallest: 0.014, 0.35, 0.3, 0.219? (a) 0.014 (b) 0.35 (c) 0.3 (d) 0.219
  15. 15.2.21 + 2.1 = ? (a) 4.21 (b) 4.31 (c) 4.41 (d) 2.42
  16. 16.1.36 + 4.7 = ? (a) 1.83 (b) 5.96 (c) 6.06 (d) 6.16
  17. 17.5.76 + 5.8 = ? (a) 11.66 (b) 6.34 (c) 11.56 (d) 11.46
  18. 18.2.19 + 9.1 = ? (a) 11.29 (b) 3.1 (c) 11.39 (d) 11.19
  19. 19.5.52 + 7.2 = ? (a) 6.24 (b) 12.62 (c) 12.72 (d) 12.82
  20. 20.Which is the greatest: 0.78, 0.7, 0.622, 0.092? (a) 0.78 (b) 0.7 (c) 0.622 (d) 0.092
  21. 21.Which is the greatest: 0.524, 0.6, 0.62, 0.083? (a) 0.524 (b) 0.6 (c) 0.62 (d) 0.083
  22. 22.What is the value of the digit 9 in 48.962? (a) 0.9 (b) 9 (c) 0.09 (d) 0.009
  23. 23.What is the value of the digit 9 in 68.941? (a) 9 (b) 0.009 (c) 0.9 (d) 0.09
  24. 24.What is the value of the digit 2 in 26.419? (a) 0.02 (b) 2 (c) 20 (d) 0.2
  25. 25.8.42 + 4.4 = ? (a) 8.86 (b) 12.92 (c) 12.72 (d) 12.82
  26. 26.8.21 + 3.6 = ? (a) 11.71 (b) 11.81 (c) 8.57 (d) 11.91
  27. 27.What is the value of the digit 4 in 46.973? (a) 0.04 (b) 4 (c) 40 (d) 0.4
  28. 28.7.88 + 8.1 = ? (a) 8.69 (b) 15.88 (c) 15.98 (d) 16.08
  29. 29.5.74 + 3.1 = ? (a) 8.94 (b) 8.84 (c) 8.74 (d) 6.05
  30. 30.What is the value of the digit 8 in 39.284? (a) 0.008 (b) 0.8 (c) 8 (d) 0.08
  31. 31.5.05 + 6.5 = ? (a) 5.7 (b) 11.65 (c) 11.45 (d) 11.55
  32. 32.What is the value of the digit 3 in 32.497? (a) 3 (b) 30 (c) 0.3 (d) 0.03
  33. 33.1.24 + 5.2 = ? (a) 6.54 (b) 6.44 (c) 6.34 (d) 1.76
  34. 34.What is the value of the digit 6 in 71.685? (a) 6 (b) 0.006 (c) 0.6 (d) 0.06
  35. 35.Which is the greatest: 0.7, 0.73, 0.625, 0.075? (a) 0.7 (b) 0.73 (c) 0.625 (d) 0.075
  36. 36.Which is the greatest: 0.112, 0.2, 0.23, 0.041? (a) 0.112 (b) 0.2 (c) 0.23 (d) 0.041
  37. 37.7.39 + 8.5 = ? (a) 15.89 (b) 15.79 (c) 8.24 (d) 15.99
  38. 38.2.69 + 7.5 = ? (a) 10.09 (b) 10.19 (c) 10.29 (d) 3.44
  39. 39.What is the value of the digit 7 in 37.461? (a) 0.7 (b) 7 (c) 0.07 (d) 70
  40. 40.6.91 + 6.5 = ? (a) 13.31 (b) 13.51 (c) 7.56 (d) 13.41

Answer key

  1. 30
  2. 0.04
  3. 40
  4. 0.009
  5. 0.36
  6. 6.22
  7. 0.87
  8. 0.04
  9. 4.41
  10. 13.16
  11. 11.42
  12. 0.05
  13. 12.91
  14. 0.014
  15. 4.31
  16. 6.06
  17. 11.56
  18. 11.29
  19. 12.72
  20. 0.78
  21. 0.62
  22. 0.9
  23. 0.9
  24. 20
  25. 12.82
  26. 11.81
  27. 40
  28. 15.98
  29. 8.84
  30. 0.08
  31. 11.55
  32. 30
  33. 6.44
  34. 0.6
  35. 0.73
  36. 0.23
  37. 15.89
  38. 10.19
  39. 7
  40. 13.41

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