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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 219 · 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 7 in 82.741? (a) 0.07 (b) 0.7 (c) 0.007 (d) 7
  2. 2.Which is the smallest: 0.293, 0.3, 0.032, 0.33? (a) 0.293 (b) 0.3 (c) 0.032 (d) 0.33
  3. 3.Which is the greatest: 0.197, 0.094, 0.2, 0.29? (a) 0.197 (b) 0.094 (c) 0.2 (d) 0.29
  4. 4.Which is the greatest: 0.2, 0.052, 0.26, 0.135? (a) 0.2 (b) 0.052 (c) 0.26 (d) 0.135
  5. 5.2.41 + 2.7 = ? (a) 5.01 (b) 5.11 (c) 5.21 (d) 2.68
  6. 6.What is the value of the digit 3 in 21.394? (a) 0.003 (b) 0.3 (c) 0.03 (d) 3
  7. 7.1.17 + 9.1 = ? (a) 10.17 (b) 2.08 (c) 10.37 (d) 10.27
  8. 8.7.79 + 4.4 = ? (a) 12.29 (b) 12.09 (c) 8.23 (d) 12.19
  9. 9.What is the value of the digit 6 in 38.126? (a) 0.06 (b) 6 (c) 0.006 (d) 0.6
  10. 10.1.08 + 1.4 = ? (a) 2.58 (b) 2.38 (c) 1.22 (d) 2.48
  11. 11.What is the value of the digit 7 in 76.532? (a) 7 (b) 0.07 (c) 70 (d) 0.7
  12. 12.What is the value of the digit 6 in 59.612? (a) 0.006 (b) 6 (c) 0.06 (d) 0.6
  13. 13.What is the value of the digit 4 in 28.415? (a) 0.04 (b) 0.4 (c) 4 (d) 0.004
  14. 14.1.64 + 9.9 = ? (a) 11.54 (b) 2.63 (c) 11.64 (d) 11.44
  15. 15.What is the value of the digit 2 in 27.583? (a) 0.2 (b) 2 (c) 20 (d) 0.02
  16. 16.5.09 + 8.3 = ? (a) 13.29 (b) 13.39 (c) 5.92 (d) 13.49
  17. 17.What is the value of the digit 6 in 12.965? (a) 0.6 (b) 0.006 (c) 6 (d) 0.06
  18. 18.Which is the greatest: 0.069, 0.3, 0.231, 0.34? (a) 0.069 (b) 0.3 (c) 0.231 (d) 0.34
  19. 19.Which is the smallest: 0.43, 0.312, 0.026, 0.4? (a) 0.43 (b) 0.312 (c) 0.026 (d) 0.4
  20. 20.2.57 + 3.9 = ? (a) 6.57 (b) 6.47 (c) 6.37 (d) 2.96
  21. 21.What is the value of the digit 7 in 74.196? (a) 0.7 (b) 70 (c) 0.07 (d) 7
  22. 22.Which is the greatest: 0.067, 0.74, 0.7, 0.656? (a) 0.067 (b) 0.74 (c) 0.7 (d) 0.656
  23. 23.5.31 + 9.3 = ? (a) 6.24 (b) 14.71 (c) 14.51 (d) 14.61
  24. 24.9.69 + 3.6 = ? (a) 13.39 (b) 13.19 (c) 13.29 (d) 10.05
  25. 25.Which is the greatest: 0.72, 0.682, 0.058, 0.7? (a) 0.72 (b) 0.682 (c) 0.058 (d) 0.7
  26. 26.9.64 + 6.1 = ? (a) 15.84 (b) 15.64 (c) 15.74 (d) 10.25
  27. 27.Which is the greatest: 0.083, 0.2, 0.124, 0.24? (a) 0.083 (b) 0.2 (c) 0.124 (d) 0.24
  28. 28.3.46 + 1.4 = ? (a) 4.76 (b) 4.96 (c) 4.86 (d) 3.6
  29. 29.What is the value of the digit 9 in 29.768? (a) 90 (b) 0.09 (c) 0.9 (d) 9
  30. 30.What is the value of the digit 3 in 83.612? (a) 30 (b) 0.3 (c) 0.03 (d) 3
  31. 31.7.57 + 2.4 = ? (a) 9.87 (b) 10.07 (c) 9.97 (d) 7.81
  32. 32.Which is the smallest: 0.6, 0.579, 0.033, 0.67? (a) 0.6 (b) 0.579 (c) 0.033 (d) 0.67
  33. 33.7.35 + 9.3 = ? (a) 16.75 (b) 8.28 (c) 16.65 (d) 16.55
  34. 34.What is the value of the digit 5 in 53.189? (a) 0.5 (b) 50 (c) 5 (d) 0.05
  35. 35.What is the value of the digit 5 in 16.257? (a) 5 (b) 0.005 (c) 0.5 (d) 0.05
  36. 36.8.94 + 3.5 = ? (a) 12.54 (b) 9.29 (c) 12.34 (d) 12.44
  37. 37.Which is the smallest: 0.316, 0.47, 0.031, 0.4? (a) 0.316 (b) 0.47 (c) 0.031 (d) 0.4
  38. 38.1.85 + 1.2 = ? (a) 2.95 (b) 3.05 (c) 1.97 (d) 3.15
  39. 39.3.72 + 3.9 = ? (a) 4.11 (b) 7.62 (c) 7.52 (d) 7.72
  40. 40.What is the value of the digit 7 in 71.485? (a) 7 (b) 70 (c) 0.7 (d) 0.07

Answer key

  1. 0.7
  2. 0.032
  3. 0.29
  4. 0.26
  5. 5.11
  6. 0.3
  7. 10.27
  8. 12.19
  9. 0.006
  10. 2.48
  11. 70
  12. 0.6
  13. 0.4
  14. 11.54
  15. 20
  16. 13.39
  17. 0.06
  18. 0.34
  19. 0.026
  20. 6.47
  21. 70
  22. 0.74
  23. 14.61
  24. 13.29
  25. 0.72
  26. 15.74
  27. 0.24
  28. 4.86
  29. 9
  30. 3
  31. 9.97
  32. 0.033
  33. 16.65
  34. 50
  35. 0.05
  36. 12.44
  37. 0.031
  38. 3.05
  39. 7.62
  40. 70

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