← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 829 · 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. 1.9.21 + 5.1 = ? (a) 14.41 (b) 14.21 (c) 14.31 (d) 9.72
  2. 2.3.35 + 2.9 = ? (a) 6.35 (b) 6.15 (c) 3.64 (d) 6.25
  3. 3.Which is the smallest: 0.048, 0.6, 0.67, 0.552? (a) 0.048 (b) 0.6 (c) 0.67 (d) 0.552
  4. 4.6.52 + 5.2 = ? (a) 11.62 (b) 11.82 (c) 7.04 (d) 11.72
  5. 5.Which is the smallest: 0.5, 0.088, 0.53, 0.422? (a) 0.5 (b) 0.088 (c) 0.53 (d) 0.422
  6. 6.5.47 + 3.4 = ? (a) 8.87 (b) 8.97 (c) 5.81 (d) 8.77
  7. 7.What is the value of the digit 2 in 32.189? (a) 0.2 (b) 0.02 (c) 20 (d) 2
  8. 8.3.24 + 2.5 = ? (a) 5.84 (b) 5.64 (c) 3.49 (d) 5.74
  9. 9.2.38 + 9.3 = ? (a) 3.31 (b) 11.58 (c) 11.68 (d) 11.78
  10. 10.8.63 + 7.8 = ? (a) 16.43 (b) 16.33 (c) 16.53 (d) 9.41
  11. 11.What is the value of the digit 1 in 24.613? (a) 0.001 (b) 0.01 (c) 1 (d) 0.1
  12. 12.2.82 + 2.4 = ? (a) 5.12 (b) 5.32 (c) 3.06 (d) 5.22
  13. 13.What is the value of the digit 9 in 49.163? (a) 0.9 (b) 0.09 (c) 9 (d) 90
  14. 14.Which is the smallest: 0.3, 0.33, 0.081, 0.224? (a) 0.3 (b) 0.33 (c) 0.081 (d) 0.224
  15. 15.What is the value of the digit 9 in 93.721? (a) 0.9 (b) 9 (c) 90 (d) 0.09
  16. 16.8.03 + 5.4 = ? (a) 8.57 (b) 13.53 (c) 13.43 (d) 13.33
  17. 17.Which is the smallest: 0.441, 0.51, 0.018, 0.5? (a) 0.441 (b) 0.51 (c) 0.018 (d) 0.5
  18. 18.8.56 + 7.7 = ? (a) 9.33 (b) 16.16 (c) 16.26 (d) 16.36
  19. 19.What is the value of the digit 3 in 83.796? (a) 0.3 (b) 0.03 (c) 30 (d) 3
  20. 20.What is the value of the digit 7 in 64.837? (a) 0.07 (b) 7 (c) 0.007 (d) 0.7
  21. 21.Which is the smallest: 0.29, 0.2, 0.177, 0.017? (a) 0.29 (b) 0.2 (c) 0.177 (d) 0.017
  22. 22.Which is the greatest: 0.616, 0.031, 0.74, 0.7? (a) 0.616 (b) 0.031 (c) 0.74 (d) 0.7
  23. 23.What is the value of the digit 5 in 39.215? (a) 5 (b) 0.5 (c) 0.005 (d) 0.05
  24. 24.What is the value of the digit 2 in 26.719? (a) 2 (b) 0.2 (c) 0.02 (d) 20
  25. 25.What is the value of the digit 2 in 89.264? (a) 0.02 (b) 0.2 (c) 2 (d) 0.002
  26. 26.What is the value of the digit 4 in 34.682? (a) 0.04 (b) 40 (c) 4 (d) 0.4
  27. 27.Which is the smallest: 0.023, 0.74, 0.644, 0.7? (a) 0.023 (b) 0.74 (c) 0.644 (d) 0.7
  28. 28.Which is the smallest: 0.068, 0.4, 0.44, 0.374? (a) 0.068 (b) 0.4 (c) 0.44 (d) 0.374
  29. 29.4.15 + 1.7 = ? (a) 5.85 (b) 4.32 (c) 5.95 (d) 5.75
  30. 30.Which is the smallest: 0.362, 0.088, 0.4, 0.46? (a) 0.362 (b) 0.088 (c) 0.4 (d) 0.46
  31. 31.3.31 + 1.7 = ? (a) 5.11 (b) 5.01 (c) 4.91 (d) 3.48
  32. 32.8.49 + 2.7 = ? (a) 8.76 (b) 11.29 (c) 11.19 (d) 11.09
  33. 33.4.54 + 1.3 = ? (a) 4.67 (b) 5.94 (c) 5.74 (d) 5.84
  34. 34.What is the value of the digit 3 in 23.416? (a) 30 (b) 3 (c) 0.3 (d) 0.03
  35. 35.What is the value of the digit 1 in 19.438? (a) 0.01 (b) 10 (c) 0.1 (d) 1
  36. 36.Which is the smallest: 0.2, 0.047, 0.174, 0.23? (a) 0.2 (b) 0.047 (c) 0.174 (d) 0.23
  37. 37.Which is the greatest: 0.685, 0.76, 0.073, 0.7? (a) 0.685 (b) 0.76 (c) 0.073 (d) 0.7
  38. 38.Which is the smallest: 0.57, 0.5, 0.018, 0.471? (a) 0.57 (b) 0.5 (c) 0.018 (d) 0.471
  39. 39.Which is the smallest: 0.2, 0.21, 0.034, 0.185? (a) 0.2 (b) 0.21 (c) 0.034 (d) 0.185
  40. 40.What is the value of the digit 8 in 34.875? (a) 0.08 (b) 0.008 (c) 8 (d) 0.8

Answer key

  1. 14.31
  2. 6.25
  3. 0.048
  4. 11.72
  5. 0.088
  6. 8.87
  7. 2
  8. 5.74
  9. 11.68
  10. 16.43
  11. 0.01
  12. 5.22
  13. 9
  14. 0.081
  15. 90
  16. 13.43
  17. 0.018
  18. 16.26
  19. 3
  20. 0.007
  21. 0.017
  22. 0.74
  23. 0.005
  24. 20
  25. 0.2
  26. 4
  27. 0.023
  28. 0.068
  29. 5.85
  30. 0.088
  31. 5.01
  32. 11.19
  33. 5.84
  34. 3
  35. 10
  36. 0.047
  37. 0.76
  38. 0.018
  39. 0.034
  40. 0.8

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