← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 578 · 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: 0.7, 0.012, 0.79, 0.669? (a) 0.7 (b) 0.012 (c) 0.79 (d) 0.669
  2. 2.What is the value of the digit 8 in 72.138? (a) 8 (b) 0.8 (c) 0.008 (d) 0.08
  3. 3.5.85 + 2.4 = ? (a) 6.09 (b) 8.15 (c) 8.25 (d) 8.35
  4. 4.Which is the smallest: 0.083, 0.75, 0.7, 0.618? (a) 0.083 (b) 0.75 (c) 0.7 (d) 0.618
  5. 5.What is the value of the digit 8 in 41.698? (a) 0.8 (b) 0.08 (c) 0.008 (d) 8
  6. 6.7.03 + 6.3 = ? (a) 13.23 (b) 13.43 (c) 13.33 (d) 7.66
  7. 7.What is the value of the digit 7 in 96.732? (a) 0.7 (b) 0.07 (c) 0.007 (d) 7
  8. 8.What is the value of the digit 2 in 13.572? (a) 0.2 (b) 0.02 (c) 0.002 (d) 2
  9. 9.What is the value of the digit 8 in 51.823? (a) 0.008 (b) 0.08 (c) 0.8 (d) 8
  10. 10.Which is the greatest: 0.575, 0.67, 0.017, 0.6? (a) 0.575 (b) 0.67 (c) 0.017 (d) 0.6
  11. 11.9.15 + 8.8 = ? (a) 10.03 (b) 18.05 (c) 17.95 (d) 17.85
  12. 12.What is the value of the digit 3 in 45.673? (a) 0.03 (b) 0.003 (c) 3 (d) 0.3
  13. 13.1.42 + 6.7 = ? (a) 8.12 (b) 8.02 (c) 8.22 (d) 2.09
  14. 14.2.22 + 3.1 = ? (a) 5.22 (b) 5.32 (c) 5.42 (d) 2.53
  15. 15.What is the value of the digit 5 in 98.532? (a) 5 (b) 0.05 (c) 0.005 (d) 0.5
  16. 16.What is the value of the digit 1 in 21.986? (a) 10 (b) 1 (c) 0.01 (d) 0.1
  17. 17.What is the value of the digit 4 in 82.654? (a) 0.4 (b) 4 (c) 0.004 (d) 0.04
  18. 18.What is the value of the digit 6 in 43.675? (a) 0.6 (b) 6 (c) 0.06 (d) 0.006
  19. 19.Which is the smallest: 0.6, 0.013, 0.62, 0.593? (a) 0.6 (b) 0.013 (c) 0.62 (d) 0.593
  20. 20.Which is the smallest: 0.736, 0.8, 0.89, 0.051? (a) 0.736 (b) 0.8 (c) 0.89 (d) 0.051
  21. 21.8.88 + 8.3 = ? (a) 17.18 (b) 9.71 (c) 17.08 (d) 17.28
  22. 22.Which is the greatest: 0.162, 0.014, 0.2, 0.25? (a) 0.162 (b) 0.014 (c) 0.2 (d) 0.25
  23. 23.4.11 + 4.5 = ? (a) 8.51 (b) 4.56 (c) 8.61 (d) 8.71
  24. 24.3.47 + 2.1 = ? (a) 3.68 (b) 5.67 (c) 5.47 (d) 5.57
  25. 25.3.58 + 9.7 = ? (a) 13.38 (b) 13.28 (c) 13.18 (d) 4.55
  26. 26.What is the value of the digit 1 in 51.364? (a) 0.1 (b) 1 (c) 10 (d) 0.01
  27. 27.Which is the greatest: 0.8, 0.064, 0.785, 0.85? (a) 0.8 (b) 0.064 (c) 0.785 (d) 0.85
  28. 28.8.93 + 6.3 = ? (a) 15.33 (b) 9.56 (c) 15.23 (d) 15.13
  29. 29.What is the value of the digit 3 in 91.832? (a) 3 (b) 0.003 (c) 0.3 (d) 0.03
  30. 30.Which is the smallest: 0.032, 0.29, 0.2, 0.159? (a) 0.032 (b) 0.29 (c) 0.2 (d) 0.159
  31. 31.What is the value of the digit 9 in 62.943? (a) 0.9 (b) 0.009 (c) 9 (d) 0.09
  32. 32.Which is the greatest: 0.8, 0.018, 0.87, 0.722? (a) 0.8 (b) 0.018 (c) 0.87 (d) 0.722
  33. 33.Which is the smallest: 0.131, 0.031, 0.2, 0.23? (a) 0.131 (b) 0.031 (c) 0.2 (d) 0.23
  34. 34.3.71 + 1.3 = ? (a) 3.84 (b) 4.91 (c) 5.01 (d) 5.11
  35. 35.6.52 + 9.4 = ? (a) 16.02 (b) 7.46 (c) 15.82 (d) 15.92
  36. 36.What is the value of the digit 1 in 86.193? (a) 1 (b) 0.1 (c) 0.01 (d) 0.001
  37. 37.What is the value of the digit 2 in 15.623? (a) 2 (b) 0.002 (c) 0.2 (d) 0.02
  38. 38.Which is the smallest: 0.86, 0.8, 0.033, 0.742? (a) 0.86 (b) 0.8 (c) 0.033 (d) 0.742
  39. 39.3.03 + 2.4 = ? (a) 5.33 (b) 5.43 (c) 3.27 (d) 5.53
  40. 40.What is the value of the digit 3 in 12.938? (a) 0.3 (b) 0.03 (c) 3 (d) 0.003

Answer key

  1. 0.79
  2. 0.008
  3. 8.25
  4. 0.083
  5. 0.008
  6. 13.33
  7. 0.7
  8. 0.002
  9. 0.8
  10. 0.67
  11. 17.95
  12. 0.003
  13. 8.12
  14. 5.32
  15. 0.5
  16. 1
  17. 0.004
  18. 0.6
  19. 0.013
  20. 0.051
  21. 17.18
  22. 0.25
  23. 8.61
  24. 5.57
  25. 13.28
  26. 1
  27. 0.85
  28. 15.23
  29. 0.03
  30. 0.032
  31. 0.9
  32. 0.87
  33. 0.031
  34. 5.01
  35. 15.92
  36. 0.1
  37. 0.02
  38. 0.033
  39. 5.43
  40. 0.03

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