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Tables & multiplication lesson 22: Mixed challenge · Set 698 · 40 questions
TalentJR

How it works (Choose a strategy): A number ending in 5 and an even number → double and halve. A number ending in 9 or 8 → round and adjust. Two numbers the same distance from a round number → middle square. Otherwise → split into tens and ones.

NameDateTime takenScore ___ / 40
  1. 1.6 × 29 =
  2. 2.3 × 29 =
  3. 3.72 × 25 =
  4. 4.40 × 99 =
  5. 5.Is 17 × 2.5 bigger or smaller than 17? (a) bigger (b) smaller
  6. 6.51 × 4 =
  7. 7.Is 81 × 1.1 bigger or smaller than 81? (a) bigger (b) smaller
  8. 8.20 × 99 =
  9. 9.33 × 6 =
  10. 10.41 × 3 =
  11. 11.55 × 26 =
  12. 12.27 × 33 =
  13. 13.55 × 36 =
  14. 14.A rangoli has 7 rows of 11 dots. How many dots are there in all?
  15. 15.A hall has 5 rows of 12 chairs and 4 extra chairs at the back. How many chairs are there in all?
  16. 16.Is 19 × 0.9 bigger or smaller than 19? (a) bigger (b) smaller
  17. 17.Is 21 × 0.75 bigger or smaller than 21? (a) bigger (b) smaller
  18. 18.3 × 35 =
  19. 19.86 × 5 =
  20. 20.Is 73 × 1.1 bigger or smaller than 73? (a) bigger (b) smaller
  21. 21.Is 73 × 0.75 bigger or smaller than 73? (a) bigger (b) smaller
  22. 22.Is 96 × 0.75 bigger or smaller than 96? (a) bigger (b) smaller
  23. 23.14 × 99 =
  24. 24.13 × 19 =
  25. 25.69 × 7 =
  26. 26.3 × 11 =
  27. 27.A garden has 9 rows with 8 plants in each row, but 4 plants are missing. How many plants are there?
  28. 28.36 × 5 =
  29. 29.43 × 8 =
  30. 30.89 × 4 =
  31. 31.6 × 29 =
  32. 32.36 × 125 =
  33. 33.Is 70 × 0.9 bigger or smaller than 70? (a) bigger (b) smaller
  34. 34.48 × 25 =
  35. 35.Is 83 × 0.75 bigger or smaller than 83? (a) bigger (b) smaller
  36. 36.51 × 4 =
  37. 37.A garden has 9 rows with 14 plants in each row, but 5 plants are missing. How many plants are there?
  38. 38.Is 64 × 0.2 bigger or smaller than 64? (a) bigger (b) smaller
  39. 39.20 × 125 =
  40. 40.32 × 125 =

Answer key

  1. 174
  2. 87
  3. 1800
  4. 3960
  5. bigger
  6. 204
  7. bigger
  8. 1980
  9. 198
  10. 123
  11. 1430
  12. 891
  13. 1980
  14. 77
  15. 64
  16. smaller
  17. smaller
  18. 105
  19. 430
  20. bigger
  21. smaller
  22. smaller
  23. 1386
  24. 247
  25. 483
  26. 33
  27. 68
  28. 180
  29. 344
  30. 356
  31. 174
  32. 4500
  33. smaller
  34. 1200
  35. smaller
  36. 204
  37. 121
  38. smaller
  39. 2500
  40. 4000

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