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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 396 · 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 6 in 76.921? (a) 0.6 (b) 0.06 (c) 6 (d) 60
  2. 2.What is the value of the digit 7 in 73.258? (a) 0.7 (b) 7 (c) 70 (d) 0.07
  3. 3.What is the value of the digit 2 in 26.413? (a) 2 (b) 0.02 (c) 0.2 (d) 20
  4. 4.Which is the greatest: 0.667, 0.7, 0.091, 0.72? (a) 0.667 (b) 0.7 (c) 0.091 (d) 0.72
  5. 5.9.13 + 3.8 = ? (a) 12.93 (b) 12.83 (c) 13.03 (d) 9.51
  6. 6.What is the value of the digit 4 in 49.165? (a) 4 (b) 0.04 (c) 40 (d) 0.4
  7. 7.What is the value of the digit 9 in 82.491? (a) 9 (b) 0.9 (c) 0.09 (d) 0.009
  8. 8.7.26 + 3.1 = ? (a) 7.57 (b) 10.26 (c) 10.46 (d) 10.36
  9. 9.What is the value of the digit 9 in 25.619? (a) 0.009 (b) 9 (c) 0.09 (d) 0.9
  10. 10.Which is the smallest: 0.52, 0.461, 0.027, 0.5? (a) 0.52 (b) 0.461 (c) 0.027 (d) 0.5
  11. 11.5.92 + 5.8 = ? (a) 11.72 (b) 6.5 (c) 11.62 (d) 11.82
  12. 12.What is the value of the digit 5 in 82.756? (a) 0.005 (b) 0.5 (c) 5 (d) 0.05
  13. 13.Which is the greatest: 0.047, 0.529, 0.65, 0.6? (a) 0.047 (b) 0.529 (c) 0.65 (d) 0.6
  14. 14.8.89 + 4.4 = ? (a) 9.33 (b) 13.29 (c) 13.39 (d) 13.19
  15. 15.What is the value of the digit 5 in 54.836? (a) 0.5 (b) 0.05 (c) 50 (d) 5
  16. 16.3.05 + 7.4 = ? (a) 10.55 (b) 3.79 (c) 10.35 (d) 10.45
  17. 17.Which is the greatest: 0.58, 0.5, 0.017, 0.486? (a) 0.58 (b) 0.5 (c) 0.017 (d) 0.486
  18. 18.What is the value of the digit 1 in 36.517? (a) 1 (b) 0.1 (c) 0.001 (d) 0.01
  19. 19.6.65 + 9.7 = ? (a) 16.45 (b) 16.25 (c) 7.62 (d) 16.35
  20. 20.What is the value of the digit 2 in 61.235? (a) 2 (b) 0.02 (c) 0.2 (d) 0.002
  21. 21.7.23 + 6.8 = ? (a) 7.91 (b) 14.03 (c) 13.93 (d) 14.13
  22. 22.What is the value of the digit 1 in 18.359? (a) 10 (b) 0.1 (c) 1 (d) 0.01
  23. 23.What is the value of the digit 3 in 51.438? (a) 3 (b) 0.003 (c) 0.3 (d) 0.03
  24. 24.3.19 + 1.7 = ? (a) 4.79 (b) 3.36 (c) 4.89 (d) 4.99
  25. 25.Which is the smallest: 0.7, 0.78, 0.694, 0.077? (a) 0.7 (b) 0.78 (c) 0.694 (d) 0.077
  26. 26.Which is the greatest: 0.52, 0.442, 0.5, 0.095? (a) 0.52 (b) 0.442 (c) 0.5 (d) 0.095
  27. 27.What is the value of the digit 8 in 64.278? (a) 0.8 (b) 0.08 (c) 8 (d) 0.008
  28. 28.What is the value of the digit 9 in 95.621? (a) 0.9 (b) 9 (c) 90 (d) 0.09
  29. 29.Which is the greatest: 0.346, 0.028, 0.4, 0.42? (a) 0.346 (b) 0.028 (c) 0.4 (d) 0.42
  30. 30.Which is the smallest: 0.89, 0.095, 0.8, 0.752? (a) 0.89 (b) 0.095 (c) 0.8 (d) 0.752
  31. 31.What is the value of the digit 1 in 14.258? (a) 1 (b) 0.1 (c) 0.01 (d) 10
  32. 32.Which is the smallest: 0.8, 0.85, 0.083, 0.726? (a) 0.8 (b) 0.85 (c) 0.083 (d) 0.726
  33. 33.What is the value of the digit 9 in 59.426? (a) 9 (b) 90 (c) 0.09 (d) 0.9
  34. 34.8.56 + 7.7 = ? (a) 9.33 (b) 16.36 (c) 16.26 (d) 16.16
  35. 35.Which is the smallest: 0.78, 0.7, 0.064, 0.641? (a) 0.78 (b) 0.7 (c) 0.064 (d) 0.641
  36. 36.What is the value of the digit 8 in 57.418? (a) 0.8 (b) 0.08 (c) 8 (d) 0.008
  37. 37.Which is the smallest: 0.032, 0.74, 0.658, 0.7? (a) 0.032 (b) 0.74 (c) 0.658 (d) 0.7
  38. 38.What is the value of the digit 9 in 92.546? (a) 90 (b) 0.9 (c) 9 (d) 0.09
  39. 39.Which is the greatest: 0.156, 0.2, 0.066, 0.27? (a) 0.156 (b) 0.2 (c) 0.066 (d) 0.27
  40. 40.8.64 + 9.8 = ? (a) 18.34 (b) 18.44 (c) 18.54 (d) 9.62

Answer key

  1. 6
  2. 70
  3. 20
  4. 0.72
  5. 12.93
  6. 40
  7. 0.09
  8. 10.36
  9. 0.009
  10. 0.027
  11. 11.72
  12. 0.05
  13. 0.65
  14. 13.29
  15. 50
  16. 10.45
  17. 0.58
  18. 0.01
  19. 16.35
  20. 0.2
  21. 14.03
  22. 10
  23. 0.03
  24. 4.89
  25. 0.077
  26. 0.52
  27. 0.008
  28. 90
  29. 0.42
  30. 0.095
  31. 10
  32. 0.083
  33. 9
  34. 16.26
  35. 0.064
  36. 0.008
  37. 0.032
  38. 90
  39. 0.27
  40. 18.44

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