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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 492 · 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: 0.246, 0.32, 0.062, 0.3? (a) 0.246 (b) 0.32 (c) 0.062 (d) 0.3
  2. 2.What is the value of the digit 7 in 15.728? (a) 7 (b) 0.007 (c) 0.7 (d) 0.07
  3. 3.What is the value of the digit 3 in 28.531? (a) 0.03 (b) 0.003 (c) 0.3 (d) 3
  4. 4.2.45 + 7.7 = ? (a) 10.05 (b) 10.25 (c) 10.15 (d) 3.22
  5. 5.Which is the smallest: 0.134, 0.24, 0.2, 0.082? (a) 0.134 (b) 0.24 (c) 0.2 (d) 0.082
  6. 6.Which is the greatest: 0.518, 0.6, 0.044, 0.66? (a) 0.518 (b) 0.6 (c) 0.044 (d) 0.66
  7. 7.What is the value of the digit 1 in 98.617? (a) 0.1 (b) 1 (c) 0.001 (d) 0.01
  8. 8.Which is the greatest: 0.779, 0.8, 0.81, 0.013? (a) 0.779 (b) 0.8 (c) 0.81 (d) 0.013
  9. 9.1.55 + 4.3 = ? (a) 5.75 (b) 5.85 (c) 5.95 (d) 1.98
  10. 10.What is the value of the digit 9 in 42.839? (a) 0.9 (b) 9 (c) 0.09 (d) 0.009
  11. 11.What is the value of the digit 5 in 39.528? (a) 0.005 (b) 0.05 (c) 0.5 (d) 5
  12. 12.What is the value of the digit 6 in 32.685? (a) 0.006 (b) 0.06 (c) 0.6 (d) 6
  13. 13.Which is the greatest: 0.7, 0.78, 0.093, 0.674? (a) 0.7 (b) 0.78 (c) 0.093 (d) 0.674
  14. 14.Which is the greatest: 0.6, 0.542, 0.019, 0.63? (a) 0.6 (b) 0.542 (c) 0.019 (d) 0.63
  15. 15.6.22 + 9.5 = ? (a) 15.62 (b) 7.17 (c) 15.72 (d) 15.82
  16. 16.1.92 + 7.1 = ? (a) 8.92 (b) 9.02 (c) 2.63 (d) 9.12
  17. 17.1.44 + 7.1 = ? (a) 2.15 (b) 8.64 (c) 8.54 (d) 8.44
  18. 18.Which is the greatest: 0.24, 0.2, 0.162, 0.084? (a) 0.24 (b) 0.2 (c) 0.162 (d) 0.084
  19. 19.3.97 + 7.5 = ? (a) 11.57 (b) 11.37 (c) 4.72 (d) 11.47
  20. 20.6.41 + 7.6 = ? (a) 14.01 (b) 14.11 (c) 13.91 (d) 7.17
  21. 21.What is the value of the digit 7 in 26.715? (a) 7 (b) 0.007 (c) 0.07 (d) 0.7
  22. 22.Which is the greatest: 0.692, 0.045, 0.77, 0.7? (a) 0.692 (b) 0.045 (c) 0.77 (d) 0.7
  23. 23.What is the value of the digit 1 in 58.193? (a) 1 (b) 0.001 (c) 0.1 (d) 0.01
  24. 24.Which is the greatest: 0.44, 0.065, 0.371, 0.4? (a) 0.44 (b) 0.065 (c) 0.371 (d) 0.4
  25. 25.9.64 + 6.4 = ? (a) 16.04 (b) 16.14 (c) 15.94 (d) 10.28
  26. 26.5.51 + 7.1 = ? (a) 6.22 (b) 12.61 (c) 12.71 (d) 12.51
  27. 27.9.74 + 1.4 = ? (a) 9.88 (b) 11.24 (c) 11.14 (d) 11.04
  28. 28.What is the value of the digit 3 in 34.217? (a) 0.03 (b) 3 (c) 0.3 (d) 30
  29. 29.Which is the greatest: 0.36, 0.3, 0.261, 0.038? (a) 0.36 (b) 0.3 (c) 0.261 (d) 0.038
  30. 30.What is the value of the digit 1 in 63.591? (a) 0.1 (b) 1 (c) 0.01 (d) 0.001
  31. 31.5.11 + 3.3 = ? (a) 8.31 (b) 8.51 (c) 8.41 (d) 5.44
  32. 32.Which is the greatest: 0.014, 0.2, 0.24, 0.196? (a) 0.014 (b) 0.2 (c) 0.24 (d) 0.196
  33. 33.What is the value of the digit 5 in 52.149? (a) 5 (b) 0.5 (c) 0.05 (d) 50
  34. 34.Which is the greatest: 0.762, 0.8, 0.87, 0.053? (a) 0.762 (b) 0.8 (c) 0.87 (d) 0.053
  35. 35.8.01 + 2.6 = ? (a) 10.51 (b) 8.27 (c) 10.71 (d) 10.61
  36. 36.7.97 + 4.3 = ? (a) 12.37 (b) 8.4 (c) 12.27 (d) 12.17
  37. 37.What is the value of the digit 1 in 14.372? (a) 0.1 (b) 10 (c) 1 (d) 0.01
  38. 38.What is the value of the digit 5 in 15.843? (a) 0.5 (b) 0.05 (c) 50 (d) 5
  39. 39.Which is the greatest: 0.095, 0.189, 0.29, 0.2? (a) 0.095 (b) 0.189 (c) 0.29 (d) 0.2
  40. 40.What is the value of the digit 6 in 73.246? (a) 0.06 (b) 0.006 (c) 6 (d) 0.6

Answer key

  1. 0.32
  2. 0.7
  3. 0.03
  4. 10.15
  5. 0.082
  6. 0.66
  7. 0.01
  8. 0.81
  9. 5.85
  10. 0.009
  11. 0.5
  12. 0.6
  13. 0.78
  14. 0.63
  15. 15.72
  16. 9.02
  17. 8.54
  18. 0.24
  19. 11.47
  20. 14.01
  21. 0.7
  22. 0.77
  23. 0.1
  24. 0.44
  25. 16.04
  26. 12.61
  27. 11.14
  28. 30
  29. 0.36
  30. 0.001
  31. 8.41
  32. 0.24
  33. 50
  34. 0.87
  35. 10.61
  36. 12.27
  37. 10
  38. 5
  39. 0.29
  40. 0.006

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