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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 455 · 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: 0.8, 0.748, 0.094, 0.82? (a) 0.8 (b) 0.748 (c) 0.094 (d) 0.82
  2. 2.What is the value of the digit 2 in 35.872? (a) 0.2 (b) 2 (c) 0.02 (d) 0.002
  3. 3.What is the value of the digit 7 in 49.876? (a) 0.7 (b) 0.07 (c) 0.007 (d) 7
  4. 4.7.13 + 2.5 = ? (a) 9.63 (b) 7.38 (c) 9.53 (d) 9.73
  5. 5.Which is the greatest: 0.5, 0.087, 0.449, 0.52? (a) 0.5 (b) 0.087 (c) 0.449 (d) 0.52
  6. 6.Which is the greatest: 0.715, 0.84, 0.8, 0.057? (a) 0.715 (b) 0.84 (c) 0.8 (d) 0.057
  7. 7.5.77 + 8.9 = ? (a) 14.67 (b) 14.57 (c) 14.77 (d) 6.66
  8. 8.Which is the greatest: 0.4, 0.46, 0.058, 0.341? (a) 0.4 (b) 0.46 (c) 0.058 (d) 0.341
  9. 9.Which is the smallest: 0.792, 0.075, 0.82, 0.8? (a) 0.792 (b) 0.075 (c) 0.82 (d) 0.8
  10. 10.4.64 + 1.4 = ? (a) 6.14 (b) 5.94 (c) 6.04 (d) 4.78
  11. 11.1.94 + 3.5 = ? (a) 5.34 (b) 5.54 (c) 5.44 (d) 2.29
  12. 12.6.74 + 4.6 = ? (a) 11.24 (b) 11.44 (c) 11.34 (d) 7.2
  13. 13.7.89 + 7.3 = ? (a) 15.19 (b) 15.09 (c) 15.29 (d) 8.62
  14. 14.9.16 + 3.5 = ? (a) 12.76 (b) 9.51 (c) 12.56 (d) 12.66
  15. 15.Which is the smallest: 0.4, 0.058, 0.385, 0.47? (a) 0.4 (b) 0.058 (c) 0.385 (d) 0.47
  16. 16.Which is the greatest: 0.86, 0.789, 0.072, 0.8? (a) 0.86 (b) 0.789 (c) 0.072 (d) 0.8
  17. 17.7.01 + 4.4 = ? (a) 11.41 (b) 11.31 (c) 7.45 (d) 11.51
  18. 18.What is the value of the digit 5 in 58.741? (a) 50 (b) 5 (c) 0.05 (d) 0.5
  19. 19.Which is the greatest: 0.76, 0.7, 0.088, 0.661? (a) 0.76 (b) 0.7 (c) 0.088 (d) 0.661
  20. 20.Which is the greatest: 0.123, 0.057, 0.21, 0.2? (a) 0.123 (b) 0.057 (c) 0.21 (d) 0.2
  21. 21.2.26 + 8.2 = ? (a) 10.56 (b) 10.46 (c) 3.08 (d) 10.36
  22. 22.What is the value of the digit 9 in 91.368? (a) 0.09 (b) 0.9 (c) 90 (d) 9
  23. 23.Which is the smallest: 0.66, 0.6, 0.587, 0.042? (a) 0.66 (b) 0.6 (c) 0.587 (d) 0.042
  24. 24.Which is the smallest: 0.312, 0.089, 0.4, 0.47? (a) 0.312 (b) 0.089 (c) 0.4 (d) 0.47
  25. 25.5.35 + 4.2 = ? (a) 9.55 (b) 9.65 (c) 9.45 (d) 5.77
  26. 26.1.87 + 9.2 = ? (a) 2.79 (b) 10.97 (c) 11.17 (d) 11.07
  27. 27.Which is the greatest: 0.026, 0.668, 0.7, 0.79? (a) 0.026 (b) 0.668 (c) 0.7 (d) 0.79
  28. 28.What is the value of the digit 9 in 29.514? (a) 90 (b) 9 (c) 0.09 (d) 0.9
  29. 29.2.01 + 1.1 = ? (a) 3.21 (b) 3.11 (c) 2.12 (d) 3.01
  30. 30.7.01 + 3.1 = ? (a) 10.11 (b) 10.21 (c) 10.01 (d) 7.32
  31. 31.9.82 + 5.1 = ? (a) 10.33 (b) 14.92 (c) 14.82 (d) 15.02
  32. 32.What is the value of the digit 8 in 28.369? (a) 0.8 (b) 0.08 (c) 8 (d) 80
  33. 33.2.04 + 6.6 = ? (a) 8.74 (b) 2.7 (c) 8.64 (d) 8.54
  34. 34.Which is the greatest: 0.016, 0.691, 0.7, 0.77? (a) 0.016 (b) 0.691 (c) 0.7 (d) 0.77
  35. 35.What is the value of the digit 3 in 42.513? (a) 3 (b) 0.003 (c) 0.3 (d) 0.03
  36. 36.What is the value of the digit 9 in 41.978? (a) 0.09 (b) 0.009 (c) 9 (d) 0.9
  37. 37.What is the value of the digit 4 in 42.876? (a) 40 (b) 4 (c) 0.4 (d) 0.04
  38. 38.6.66 + 6.6 = ? (a) 7.32 (b) 13.26 (c) 13.16 (d) 13.36
  39. 39.What is the value of the digit 7 in 74.256? (a) 0.07 (b) 7 (c) 70 (d) 0.7
  40. 40.What is the value of the digit 5 in 13.245? (a) 5 (b) 0.05 (c) 0.5 (d) 0.005

Answer key

  1. 0.82
  2. 0.002
  3. 0.07
  4. 9.63
  5. 0.52
  6. 0.84
  7. 14.67
  8. 0.46
  9. 0.075
  10. 6.04
  11. 5.44
  12. 11.34
  13. 15.19
  14. 12.66
  15. 0.058
  16. 0.86
  17. 11.41
  18. 50
  19. 0.76
  20. 0.21
  21. 10.46
  22. 90
  23. 0.042
  24. 0.089
  25. 9.55
  26. 11.07
  27. 0.79
  28. 9
  29. 3.11
  30. 10.11
  31. 14.92
  32. 8
  33. 8.64
  34. 0.77
  35. 0.003
  36. 0.9
  37. 40
  38. 13.26
  39. 70
  40. 0.005

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