← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 57 · 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. 1.1.24 + 1.5 = ? (a) 2.74 (b) 1.39 (c) 2.84 (d) 2.64
  2. 2.8.68 + 1.6 = ? (a) 10.38 (b) 10.28 (c) 10.18 (d) 8.84
  3. 3.What is the value of the digit 8 in 16.278? (a) 0.8 (b) 8 (c) 0.08 (d) 0.008
  4. 4.Which is the smallest: 0.7, 0.622, 0.75, 0.051? (a) 0.7 (b) 0.622 (c) 0.75 (d) 0.051
  5. 5.Which is the smallest: 0.2, 0.23, 0.189, 0.036? (a) 0.2 (b) 0.23 (c) 0.189 (d) 0.036
  6. 6.Which is the smallest: 0.522, 0.6, 0.61, 0.093? (a) 0.522 (b) 0.6 (c) 0.61 (d) 0.093
  7. 7.3.03 + 4.9 = ? (a) 8.03 (b) 3.52 (c) 7.83 (d) 7.93
  8. 8.6.98 + 5.4 = ? (a) 12.48 (b) 12.28 (c) 12.38 (d) 7.52
  9. 9.What is the value of the digit 9 in 92.584? (a) 0.09 (b) 9 (c) 0.9 (d) 90
  10. 10.9.35 + 9.5 = ? (a) 18.95 (b) 18.75 (c) 18.85 (d) 10.3
  11. 11.3.45 + 5.1 = ? (a) 3.96 (b) 8.65 (c) 8.55 (d) 8.45
  12. 12.Which is the greatest: 0.266, 0.016, 0.3, 0.36? (a) 0.266 (b) 0.016 (c) 0.3 (d) 0.36
  13. 13.9.31 + 2.9 = ? (a) 12.11 (b) 12.21 (c) 12.31 (d) 9.6
  14. 14.What is the value of the digit 4 in 36.584? (a) 0.004 (b) 4 (c) 0.04 (d) 0.4
  15. 15.Which is the greatest: 0.075, 0.7, 0.618, 0.76? (a) 0.075 (b) 0.7 (c) 0.618 (d) 0.76
  16. 16.Which is the smallest: 0.78, 0.642, 0.7, 0.074? (a) 0.78 (b) 0.642 (c) 0.7 (d) 0.074
  17. 17.Which is the greatest: 0.093, 0.299, 0.35, 0.3? (a) 0.093 (b) 0.299 (c) 0.35 (d) 0.3
  18. 18.Which is the greatest: 0.745, 0.87, 0.047, 0.8? (a) 0.745 (b) 0.87 (c) 0.047 (d) 0.8
  19. 19.Which is the smallest: 0.78, 0.625, 0.7, 0.051? (a) 0.78 (b) 0.625 (c) 0.7 (d) 0.051
  20. 20.What is the value of the digit 5 in 58.941? (a) 0.5 (b) 5 (c) 50 (d) 0.05
  21. 21.5.76 + 2.1 = ? (a) 5.97 (b) 7.76 (c) 7.86 (d) 7.96
  22. 22.7.55 + 2.7 = ? (a) 10.15 (b) 7.82 (c) 10.35 (d) 10.25
  23. 23.4.08 + 2.3 = ? (a) 6.28 (b) 4.31 (c) 6.38 (d) 6.48
  24. 24.Which is the smallest: 0.229, 0.37, 0.053, 0.3? (a) 0.229 (b) 0.37 (c) 0.053 (d) 0.3
  25. 25.8.26 + 5.2 = ? (a) 13.56 (b) 13.36 (c) 8.78 (d) 13.46
  26. 26.2.35 + 1.1 = ? (a) 3.35 (b) 2.46 (c) 3.55 (d) 3.45
  27. 27.1.19 + 4.1 = ? (a) 1.6 (b) 5.29 (c) 5.39 (d) 5.19
  28. 28.Which is the greatest: 0.89, 0.075, 0.8, 0.738? (a) 0.89 (b) 0.075 (c) 0.8 (d) 0.738
  29. 29.Which is the greatest: 0.68, 0.6, 0.548, 0.057? (a) 0.68 (b) 0.6 (c) 0.548 (d) 0.057
  30. 30.What is the value of the digit 1 in 67.891? (a) 1 (b) 0.01 (c) 0.1 (d) 0.001
  31. 31.Which is the greatest: 0.4, 0.399, 0.043, 0.45? (a) 0.4 (b) 0.399 (c) 0.043 (d) 0.45
  32. 32.Which is the greatest: 0.57, 0.066, 0.491, 0.5? (a) 0.57 (b) 0.066 (c) 0.491 (d) 0.5
  33. 33.What is the value of the digit 5 in 42.375? (a) 0.05 (b) 5 (c) 0.5 (d) 0.005
  34. 34.Which is the greatest: 0.63, 0.052, 0.6, 0.512? (a) 0.63 (b) 0.052 (c) 0.6 (d) 0.512
  35. 35.Which is the smallest: 0.86, 0.8, 0.055, 0.786? (a) 0.86 (b) 0.8 (c) 0.055 (d) 0.786
  36. 36.What is the value of the digit 9 in 96.285? (a) 0.9 (b) 0.09 (c) 9 (d) 90
  37. 37.1.19 + 1.1 = ? (a) 1.3 (b) 2.19 (c) 2.39 (d) 2.29
  38. 38.What is the value of the digit 1 in 59.218? (a) 0.001 (b) 0.01 (c) 1 (d) 0.1
  39. 39.4.12 + 3.1 = ? (a) 7.12 (b) 7.32 (c) 4.43 (d) 7.22
  40. 40.Which is the smallest: 0.58, 0.5, 0.422, 0.043? (a) 0.58 (b) 0.5 (c) 0.422 (d) 0.043

Answer key

  1. 2.74
  2. 10.28
  3. 0.008
  4. 0.051
  5. 0.036
  6. 0.093
  7. 7.93
  8. 12.38
  9. 90
  10. 18.85
  11. 8.55
  12. 0.36
  13. 12.21
  14. 0.004
  15. 0.76
  16. 0.074
  17. 0.35
  18. 0.87
  19. 0.051
  20. 50
  21. 7.86
  22. 10.25
  23. 6.38
  24. 0.053
  25. 13.46
  26. 3.45
  27. 5.29
  28. 0.89
  29. 0.68
  30. 0.001
  31. 0.45
  32. 0.57
  33. 0.005
  34. 0.63
  35. 0.055
  36. 90
  37. 2.29
  38. 0.01
  39. 7.22
  40. 0.043

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