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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 984 · 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 5 in 65.297? (a) 5 (b) 0.05 (c) 50 (d) 0.5
  2. 2.What is the value of the digit 2 in 31.972? (a) 2 (b) 0.02 (c) 0.2 (d) 0.002
  3. 3.What is the value of the digit 6 in 37.465? (a) 0.06 (b) 6 (c) 0.6 (d) 0.006
  4. 4.5.91 + 5.7 = ? (a) 11.61 (b) 11.51 (c) 11.71 (d) 6.48
  5. 5.Which is the greatest: 0.626, 0.77, 0.042, 0.7? (a) 0.626 (b) 0.77 (c) 0.042 (d) 0.7
  6. 6.What is the value of the digit 3 in 61.357? (a) 3 (b) 0.03 (c) 0.003 (d) 0.3
  7. 7.2.63 + 8.2 = ? (a) 10.73 (b) 10.83 (c) 10.93 (d) 3.45
  8. 8.What is the value of the digit 4 in 56.147? (a) 0.04 (b) 0.004 (c) 4 (d) 0.4
  9. 9.5.82 + 1.2 = ? (a) 5.94 (b) 7.12 (c) 7.02 (d) 6.92
  10. 10.Which is the smallest: 0.185, 0.2, 0.046, 0.23? (a) 0.185 (b) 0.2 (c) 0.046 (d) 0.23
  11. 11.Which is the smallest: 0.6, 0.67, 0.523, 0.048? (a) 0.6 (b) 0.67 (c) 0.523 (d) 0.048
  12. 12.Which is the greatest: 0.36, 0.223, 0.093, 0.3? (a) 0.36 (b) 0.223 (c) 0.093 (d) 0.3
  13. 13.Which is the smallest: 0.657, 0.71, 0.7, 0.079? (a) 0.657 (b) 0.71 (c) 0.7 (d) 0.079
  14. 14.5.96 + 9.9 = ? (a) 15.76 (b) 15.96 (c) 15.86 (d) 6.95
  15. 15.Which is the greatest: 0.238, 0.086, 0.3, 0.31? (a) 0.238 (b) 0.086 (c) 0.3 (d) 0.31
  16. 16.Which is the smallest: 0.67, 0.6, 0.059, 0.592? (a) 0.67 (b) 0.6 (c) 0.059 (d) 0.592
  17. 17.What is the value of the digit 3 in 37.541? (a) 0.3 (b) 3 (c) 0.03 (d) 30
  18. 18.What is the value of the digit 7 in 74.923? (a) 70 (b) 0.7 (c) 0.07 (d) 7
  19. 19.What is the value of the digit 8 in 51.876? (a) 0.8 (b) 8 (c) 0.008 (d) 0.08
  20. 20.8.91 + 9.3 = ? (a) 18.21 (b) 18.11 (c) 9.84 (d) 18.31
  21. 21.What is the value of the digit 3 in 85.346? (a) 3 (b) 0.03 (c) 0.3 (d) 0.003
  22. 22.3.15 + 3.1 = ? (a) 3.46 (b) 6.35 (c) 6.25 (d) 6.15
  23. 23.Which is the smallest: 0.035, 0.7, 0.684, 0.78? (a) 0.035 (b) 0.7 (c) 0.684 (d) 0.78
  24. 24.4.46 + 7.7 = ? (a) 12.26 (b) 12.06 (c) 12.16 (d) 5.23
  25. 25.Which is the greatest: 0.361, 0.41, 0.044, 0.4? (a) 0.361 (b) 0.41 (c) 0.044 (d) 0.4
  26. 26.4.25 + 5.3 = ? (a) 9.65 (b) 4.78 (c) 9.45 (d) 9.55
  27. 27.What is the value of the digit 3 in 83.927? (a) 30 (b) 0.3 (c) 3 (d) 0.03
  28. 28.Which is the smallest: 0.212, 0.33, 0.3, 0.099? (a) 0.212 (b) 0.33 (c) 0.3 (d) 0.099
  29. 29.What is the value of the digit 8 in 45.982? (a) 8 (b) 0.008 (c) 0.8 (d) 0.08
  30. 30.What is the value of the digit 3 in 31.984? (a) 30 (b) 0.3 (c) 3 (d) 0.03
  31. 31.Which is the greatest: 0.024, 0.169, 0.2, 0.25? (a) 0.024 (b) 0.169 (c) 0.2 (d) 0.25
  32. 32.Which is the greatest: 0.175, 0.039, 0.2, 0.23? (a) 0.175 (b) 0.039 (c) 0.2 (d) 0.23
  33. 33.Which is the greatest: 0.5, 0.051, 0.52, 0.491? (a) 0.5 (b) 0.051 (c) 0.52 (d) 0.491
  34. 34.3.57 + 6.4 = ? (a) 10.07 (b) 4.21 (c) 9.87 (d) 9.97
  35. 35.What is the value of the digit 5 in 69.853? (a) 0.05 (b) 0.5 (c) 5 (d) 0.005
  36. 36.4.77 + 6.9 = ? (a) 11.77 (b) 11.67 (c) 11.57 (d) 5.46
  37. 37.7.35 + 1.5 = ? (a) 8.95 (b) 8.75 (c) 7.5 (d) 8.85
  38. 38.6.99 + 8.8 = ? (a) 15.79 (b) 7.87 (c) 15.69 (d) 15.89
  39. 39.What is the value of the digit 3 in 37.261? (a) 0.03 (b) 30 (c) 3 (d) 0.3
  40. 40.Which is the smallest: 0.21, 0.014, 0.128, 0.2? (a) 0.21 (b) 0.014 (c) 0.128 (d) 0.2

Answer key

  1. 5
  2. 0.002
  3. 0.06
  4. 11.61
  5. 0.77
  6. 0.3
  7. 10.83
  8. 0.04
  9. 7.02
  10. 0.046
  11. 0.048
  12. 0.36
  13. 0.079
  14. 15.86
  15. 0.31
  16. 0.059
  17. 30
  18. 70
  19. 0.8
  20. 18.21
  21. 0.3
  22. 6.25
  23. 0.035
  24. 12.16
  25. 0.41
  26. 9.55
  27. 3
  28. 0.099
  29. 0.08
  30. 30
  31. 0.25
  32. 0.23
  33. 0.52
  34. 9.97
  35. 0.05
  36. 11.67
  37. 8.85
  38. 15.79
  39. 30
  40. 0.014

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