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Tables & multiplication lesson 22: Mixed challenge · Set 391 · 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. 1.37 × 9 =
  2. 2.25 × 8 =
  3. 3.34 × 5 =
  4. 4.Is 44 × 0.5 bigger or smaller than 44? (a) bigger (b) smaller
  5. 5.31 × 8 =
  6. 6.39 × 6 =
  7. 7.15 × 20 =
  8. 8.2 × 21 =
  9. 9.62 × 50 =
  10. 10.45 × 55 =
  11. 11.44 × 25 =
  12. 12.Is 24 × 0.9 bigger or smaller than 24? (a) bigger (b) smaller
  13. 13.36 × 44 =
  14. 14.62 × 5 =
  15. 15.10 × 98 =
  16. 16.54 × 50 =
  17. 17.95 × 6 =
  18. 18.56 × 64 =
  19. 19.4 × 56 =
  20. 20.Is 69 × 0.9 bigger or smaller than 69? (a) bigger (b) smaller
  21. 21.Is 81 × 0.25 bigger or smaller than 81? (a) bigger (b) smaller
  22. 22.58 × 7 =
  23. 23.35 × 12 =
  24. 24.Is 21 × 1.5 bigger or smaller than 21? (a) bigger (b) smaller
  25. 25.51 × 8 =
  26. 26.A school bus has 10 rows of seats and 2 children sit in each row. How many children can sit?
  27. 27.82 × 5 =
  28. 28.61 × 9 =
  29. 29.20 × 25 =
  30. 30.A school bus has 8 rows of seats and 2 children sit in each row. How many children can sit?
  31. 31.2 × 16 =
  32. 32.45 × 8 =
  33. 33.A school bus has 12 rows of seats and 5 children sit in each row. How many children can sit?
  34. 34.93 × 8 =
  35. 35.38 × 25 =
  36. 36.50 × 5 =
  37. 37.88 × 25 =
  38. 38.Is 88 × 1.1 bigger or smaller than 88? (a) bigger (b) smaller
  39. 39.25 × 3 =
  40. 40.Is 82 × 0.9 bigger or smaller than 82? (a) bigger (b) smaller

Answer key

  1. 333
  2. 200
  3. 170
  4. smaller
  5. 248
  6. 234
  7. 300
  8. 42
  9. 3100
  10. 2475
  11. 1100
  12. smaller
  13. 1584
  14. 310
  15. 980
  16. 2700
  17. 570
  18. 3584
  19. 224
  20. smaller
  21. smaller
  22. 406
  23. 420
  24. bigger
  25. 408
  26. 20
  27. 410
  28. 549
  29. 500
  30. 16
  31. 32
  32. 360
  33. 60
  34. 744
  35. 950
  36. 250
  37. 2200
  38. bigger
  39. 75
  40. smaller

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