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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 935 · 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 smallest: 0.79, 0.657, 0.7, 0.055? (a) 0.79 (b) 0.657 (c) 0.7 (d) 0.055
  2. 2.What is the value of the digit 6 in 96.372? (a) 0.06 (b) 0.6 (c) 60 (d) 6
  3. 3.What is the value of the digit 3 in 52.893? (a) 0.003 (b) 3 (c) 0.3 (d) 0.03
  4. 4.7.96 + 7.3 = ? (a) 8.69 (b) 15.36 (c) 15.16 (d) 15.26
  5. 5.Which is the smallest: 0.2, 0.074, 0.164, 0.29? (a) 0.2 (b) 0.074 (c) 0.164 (d) 0.29
  6. 6.What is the value of the digit 9 in 93.142? (a) 0.9 (b) 90 (c) 9 (d) 0.09
  7. 7.What is the value of the digit 5 in 72.165? (a) 0.5 (b) 0.005 (c) 5 (d) 0.05
  8. 8.What is the value of the digit 2 in 68.412? (a) 2 (b) 0.02 (c) 0.2 (d) 0.002
  9. 9.What is the value of the digit 4 in 83.514? (a) 0.004 (b) 4 (c) 0.4 (d) 0.04
  10. 10.1.57 + 4.1 = ? (a) 5.67 (b) 5.77 (c) 1.98 (d) 5.57
  11. 11.8.57 + 4.1 = ? (a) 12.57 (b) 8.98 (c) 12.67 (d) 12.77
  12. 12.Which is the smallest: 0.6, 0.058, 0.526, 0.65? (a) 0.6 (b) 0.058 (c) 0.526 (d) 0.65
  13. 13.What is the value of the digit 1 in 29.417? (a) 0.01 (b) 0.001 (c) 0.1 (d) 1
  14. 14.What is the value of the digit 3 in 94.835? (a) 0.003 (b) 3 (c) 0.03 (d) 0.3
  15. 15.Which is the greatest: 0.452, 0.53, 0.043, 0.5? (a) 0.452 (b) 0.53 (c) 0.043 (d) 0.5
  16. 16.What is the value of the digit 6 in 36.718? (a) 60 (b) 0.6 (c) 0.06 (d) 6
  17. 17.6.23 + 2.2 = ? (a) 6.45 (b) 8.43 (c) 8.53 (d) 8.33
  18. 18.What is the value of the digit 2 in 17.826? (a) 0.02 (b) 0.002 (c) 2 (d) 0.2
  19. 19.Which is the smallest: 0.2, 0.058, 0.28, 0.181? (a) 0.2 (b) 0.058 (c) 0.28 (d) 0.181
  20. 20.5.01 + 9.8 = ? (a) 5.99 (b) 14.71 (c) 14.91 (d) 14.81
  21. 21.1.31 + 8.8 = ? (a) 10.11 (b) 2.19 (c) 10.01 (d) 10.21
  22. 22.2.45 + 3.1 = ? (a) 5.45 (b) 5.55 (c) 2.76 (d) 5.65
  23. 23.Which is the smallest: 0.569, 0.67, 0.091, 0.6? (a) 0.569 (b) 0.67 (c) 0.091 (d) 0.6
  24. 24.9.06 + 8.3 = ? (a) 9.89 (b) 17.36 (c) 17.46 (d) 17.26
  25. 25.What is the value of the digit 7 in 47.163? (a) 7 (b) 0.07 (c) 0.7 (d) 70
  26. 26.7.38 + 4.5 = ? (a) 11.78 (b) 11.88 (c) 7.83 (d) 11.98
  27. 27.Which is the greatest: 0.232, 0.39, 0.3, 0.063? (a) 0.232 (b) 0.39 (c) 0.3 (d) 0.063
  28. 28.What is the value of the digit 5 in 38.251? (a) 0.005 (b) 5 (c) 0.05 (d) 0.5
  29. 29.Which is the smallest: 0.26, 0.028, 0.2, 0.165? (a) 0.26 (b) 0.028 (c) 0.2 (d) 0.165
  30. 30.Which is the greatest: 0.47, 0.382, 0.055, 0.4? (a) 0.47 (b) 0.382 (c) 0.055 (d) 0.4
  31. 31.Which is the greatest: 0.7, 0.684, 0.74, 0.029? (a) 0.7 (b) 0.684 (c) 0.74 (d) 0.029
  32. 32.Which is the smallest: 0.349, 0.4, 0.081, 0.41? (a) 0.349 (b) 0.4 (c) 0.081 (d) 0.41
  33. 33.What is the value of the digit 5 in 43.615? (a) 0.005 (b) 5 (c) 0.5 (d) 0.05
  34. 34.What is the value of the digit 7 in 72.816? (a) 7 (b) 0.7 (c) 0.07 (d) 70
  35. 35.6.81 + 6.4 = ? (a) 13.21 (b) 13.31 (c) 7.45 (d) 13.11
  36. 36.What is the value of the digit 3 in 82.637? (a) 0.003 (b) 3 (c) 0.03 (d) 0.3
  37. 37.2.45 + 5.3 = ? (a) 7.85 (b) 2.98 (c) 7.65 (d) 7.75
  38. 38.Which is the greatest: 0.024, 0.3, 0.253, 0.39? (a) 0.024 (b) 0.3 (c) 0.253 (d) 0.39
  39. 39.4.92 + 1.4 = ? (a) 5.06 (b) 6.32 (c) 6.22 (d) 6.42
  40. 40.Which is the greatest: 0.41, 0.322, 0.059, 0.4? (a) 0.41 (b) 0.322 (c) 0.059 (d) 0.4

Answer key

  1. 0.055
  2. 6
  3. 0.003
  4. 15.26
  5. 0.074
  6. 90
  7. 0.005
  8. 0.002
  9. 0.004
  10. 5.67
  11. 12.67
  12. 0.058
  13. 0.01
  14. 0.03
  15. 0.53
  16. 6
  17. 8.43
  18. 0.02
  19. 0.058
  20. 14.81
  21. 10.11
  22. 5.55
  23. 0.091
  24. 17.36
  25. 7
  26. 11.88
  27. 0.39
  28. 0.05
  29. 0.028
  30. 0.47
  31. 0.74
  32. 0.081
  33. 0.005
  34. 70
  35. 13.21
  36. 0.03
  37. 7.75
  38. 0.39
  39. 6.32
  40. 0.41

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