← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 20 · 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. 1.5.32 + 1.8 = ? (a) 7.02 (b) 7.12 (c) 5.5 (d) 7.22
  2. 2.What is the value of the digit 3 in 13.497? (a) 0.3 (b) 0.03 (c) 3 (d) 30
  3. 3.Which is the smallest: 0.8, 0.071, 0.84, 0.751? (a) 0.8 (b) 0.071 (c) 0.84 (d) 0.751
  4. 4.What is the value of the digit 2 in 35.892? (a) 0.2 (b) 2 (c) 0.002 (d) 0.02
  5. 5.Which is the greatest: 0.4, 0.082, 0.333, 0.48? (a) 0.4 (b) 0.082 (c) 0.333 (d) 0.48
  6. 6.What is the value of the digit 3 in 38.597? (a) 0.03 (b) 3 (c) 0.3 (d) 30
  7. 7.1.83 + 4.6 = ? (a) 6.33 (b) 6.43 (c) 6.53 (d) 2.29
  8. 8.8.78 + 1.6 = ? (a) 10.28 (b) 10.48 (c) 8.94 (d) 10.38
  9. 9.What is the value of the digit 3 in 84.513? (a) 0.3 (b) 0.03 (c) 0.003 (d) 3
  10. 10.What is the value of the digit 6 in 37.164? (a) 6 (b) 0.006 (c) 0.6 (d) 0.06
  11. 11.Which is the smallest: 0.6, 0.66, 0.025, 0.592? (a) 0.6 (b) 0.66 (c) 0.025 (d) 0.592
  12. 12.What is the value of the digit 5 in 15.397? (a) 50 (b) 5 (c) 0.05 (d) 0.5
  13. 13.4.33 + 4.1 = ? (a) 4.74 (b) 8.43 (c) 8.33 (d) 8.53
  14. 14.2.76 + 6.1 = ? (a) 8.86 (b) 8.96 (c) 8.76 (d) 3.37
  15. 15.Which is the smallest: 0.58, 0.5, 0.492, 0.088? (a) 0.58 (b) 0.5 (c) 0.492 (d) 0.088
  16. 16.Which is the smallest: 0.351, 0.4, 0.45, 0.024? (a) 0.351 (b) 0.4 (c) 0.45 (d) 0.024
  17. 17.What is the value of the digit 6 in 51.746? (a) 0.6 (b) 6 (c) 0.06 (d) 0.006
  18. 18.What is the value of the digit 7 in 15.792? (a) 7 (b) 0.07 (c) 0.7 (d) 0.007
  19. 19.What is the value of the digit 3 in 71.493? (a) 0.3 (b) 0.003 (c) 0.03 (d) 3
  20. 20.9.55 + 3.6 = ? (a) 13.15 (b) 13.05 (c) 13.25 (d) 9.91
  21. 21.Which is the smallest: 0.081, 0.229, 0.33, 0.3? (a) 0.081 (b) 0.229 (c) 0.33 (d) 0.3
  22. 22.5.72 + 9.6 = ? (a) 15.42 (b) 6.68 (c) 15.22 (d) 15.32
  23. 23.3.41 + 2.8 = ? (a) 6.11 (b) 6.31 (c) 3.69 (d) 6.21
  24. 24.What is the value of the digit 4 in 15.934? (a) 0.4 (b) 0.04 (c) 0.004 (d) 4
  25. 25.What is the value of the digit 8 in 72.815? (a) 0.8 (b) 0.008 (c) 8 (d) 0.08
  26. 26.8.07 + 1.4 = ? (a) 9.37 (b) 8.21 (c) 9.47 (d) 9.57
  27. 27.What is the value of the digit 6 in 19.264? (a) 6 (b) 0.6 (c) 0.006 (d) 0.06
  28. 28.Which is the greatest: 0.439, 0.53, 0.5, 0.076? (a) 0.439 (b) 0.53 (c) 0.5 (d) 0.076
  29. 29.6.41 + 2.1 = ? (a) 6.62 (b) 8.61 (c) 8.41 (d) 8.51
  30. 30.What is the value of the digit 7 in 84.972? (a) 0.7 (b) 0.007 (c) 0.07 (d) 7
  31. 31.7.73 + 4.4 = ? (a) 12.03 (b) 12.23 (c) 12.13 (d) 8.17
  32. 32.Which is the smallest: 0.032, 0.395, 0.44, 0.4? (a) 0.032 (b) 0.395 (c) 0.44 (d) 0.4
  33. 33.1.51 + 2.2 = ? (a) 1.73 (b) 3.81 (c) 3.71 (d) 3.61
  34. 34.What is the value of the digit 2 in 93.268? (a) 0.2 (b) 2 (c) 0.02 (d) 0.002
  35. 35.Which is the greatest: 0.098, 0.226, 0.3, 0.33? (a) 0.098 (b) 0.226 (c) 0.3 (d) 0.33
  36. 36.5.03 + 8.7 = ? (a) 13.73 (b) 5.9 (c) 13.83 (d) 13.63
  37. 37.2.26 + 4.9 = ? (a) 2.75 (b) 7.26 (c) 7.16 (d) 7.06
  38. 38.What is the value of the digit 7 in 86.927? (a) 0.07 (b) 0.7 (c) 0.007 (d) 7
  39. 39.What is the value of the digit 4 in 39.417? (a) 0.4 (b) 0.04 (c) 4 (d) 0.004
  40. 40.1.26 + 1.4 = ? (a) 2.56 (b) 2.76 (c) 2.66 (d) 1.4

Answer key

  1. 7.12
  2. 3
  3. 0.071
  4. 0.002
  5. 0.48
  6. 30
  7. 6.43
  8. 10.38
  9. 0.003
  10. 0.06
  11. 0.025
  12. 5
  13. 8.43
  14. 8.86
  15. 0.088
  16. 0.024
  17. 0.006
  18. 0.7
  19. 0.003
  20. 13.15
  21. 0.081
  22. 15.32
  23. 6.21
  24. 0.004
  25. 0.8
  26. 9.47
  27. 0.06
  28. 0.53
  29. 8.51
  30. 0.07
  31. 12.13
  32. 0.032
  33. 3.71
  34. 0.2
  35. 0.33
  36. 13.73
  37. 7.16
  38. 0.007
  39. 0.4
  40. 2.66

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