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Tables & multiplication lesson 22: Mixed challenge · Set 583 · 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. 1.48 × 8 =
  2. 2.Is 39 × 2.5 bigger or smaller than 39? (a) bigger (b) smaller
  3. 3.15 × 20 =
  4. 4.Is 15 × 0.9 bigger or smaller than 15? (a) bigger (b) smaller
  5. 5.Is 43 × 0.2 bigger or smaller than 43? (a) bigger (b) smaller
  6. 6.77 × 83 =
  7. 7.15 × 9 =
  8. 8.13 × 19 =
  9. 9.Is 27 × 0.75 bigger or smaller than 27? (a) bigger (b) smaller
  10. 10.25 × 12 =
  11. 11.A box has 7 ladoos. How many ladoos are there in 9 boxes?
  12. 12.A hall has 9 rows of 7 chairs and 8 extra chairs at the back. How many chairs are there in all?
  13. 13.44 × 6 =
  14. 14.36 × 55 =
  15. 15.7 × 28 =
  16. 16.A hall has 6 rows of 6 chairs and 3 extra chairs at the back. How many chairs are there in all?
  17. 17.7 × 41 =
  18. 18.95 × 105 =
  19. 19.58 × 9 =
  20. 20.91 × 3 =
  21. 21.Is 22 × 0.5 bigger or smaller than 22? (a) bigger (b) smaller
  22. 22.8 × 29 =
  23. 23.Is 69 × 1.1 bigger or smaller than 69? (a) bigger (b) smaller
  24. 24.8 × 98 =
  25. 25.31 × 98 =
  26. 26.7 × 9 =
  27. 27.A school bus has 7 rows of seats and 4 children sit in each row. How many children can sit?
  28. 28.A garden has 6 rows with 14 plants in each row, but 5 plants are missing. How many plants are there?
  29. 29.4 × 19 =
  30. 30.A school bus has 12 rows of seats and 5 children sit in each row. How many children can sit?
  31. 31.70 × 80 =
  32. 32.34 × 50 =
  33. 33.Is 66 × 0.2 bigger or smaller than 66? (a) bigger (b) smaller
  34. 34.50 × 50 =
  35. 35.A box has 9 ladoos. How many ladoos are there in 3 boxes?
  36. 36.3 × 98 =
  37. 37.41 × 4 =
  38. 38.Is 90 × 1.5 bigger or smaller than 90? (a) bigger (b) smaller
  39. 39.8 × 28 =
  40. 40.75 × 34 =

Answer key

  1. 384
  2. bigger
  3. 300
  4. smaller
  5. smaller
  6. 6391
  7. 135
  8. 247
  9. smaller
  10. 300
  11. 63
  12. 71
  13. 264
  14. 1980
  15. 196
  16. 39
  17. 287
  18. 9975
  19. 522
  20. 273
  21. smaller
  22. 232
  23. bigger
  24. 784
  25. 3038
  26. 63
  27. 28
  28. 79
  29. 76
  30. 60
  31. 5600
  32. 1700
  33. smaller
  34. 2500
  35. 27
  36. 294
  37. 164
  38. bigger
  39. 224
  40. 2550

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