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Tables & multiplication lesson 22: Mixed challenge · Set 901 · 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.Is 38 × 1.1 bigger or smaller than 38? (a) bigger (b) smaller
  2. 2.2 × 23 =
  3. 3.14 × 98 =
  4. 4.3 × 18 =
  5. 5.71 × 9 =
  6. 6.41 × 8 =
  7. 7.Is 83 × 0.5 bigger or smaller than 83? (a) bigger (b) smaller
  8. 8.61 × 3 =
  9. 9.Is 73 × 0.25 bigger or smaller than 73? (a) bigger (b) smaller
  10. 10.15 × 40 =
  11. 11.19 × 6 =
  12. 12.86 × 5 =
  13. 13.15 × 9 =
  14. 14.54 × 50 =
  15. 15.How many days are there in 3 weeks?
  16. 16.125 × 22 =
  17. 17.29 × 8 =
  18. 18.68 × 72 =
  19. 19.46 × 50 =
  20. 20.Is 19 × 0.25 bigger or smaller than 19? (a) bigger (b) smaller
  21. 21.36 × 25 =
  22. 22.36 × 44 =
  23. 23.46 × 54 =
  24. 24.10 × 19 =
  25. 25.14 × 9 =
  26. 26.34 × 75 =
  27. 27.56 × 64 =
  28. 28.Is 23 × 0.75 bigger or smaller than 23? (a) bigger (b) smaller
  29. 29.Is 59 × 0.9 bigger or smaller than 59? (a) bigger (b) smaller
  30. 30.Is 64 × 0.9 bigger or smaller than 64? (a) bigger (b) smaller
  31. 31.5 × 48 =
  32. 32.22 × 25 =
  33. 33.125 × 14 =
  34. 34.A box has 9 ladoos. How many ladoos are there in 6 boxes?
  35. 35.Is 87 × 1.1 bigger or smaller than 87? (a) bigger (b) smaller
  36. 36.Is 34 × 0.9 bigger or smaller than 34? (a) bigger (b) smaller
  37. 37.61 × 69 =
  38. 38.2 × 13 =
  39. 39.7 × 19 =
  40. 40.How many days are there in 3 weeks?

Answer key

  1. bigger
  2. 46
  3. 1372
  4. 54
  5. 639
  6. 328
  7. smaller
  8. 183
  9. smaller
  10. 600
  11. 114
  12. 430
  13. 135
  14. 2700
  15. 21
  16. 2750
  17. 232
  18. 4896
  19. 2300
  20. smaller
  21. 900
  22. 1584
  23. 2484
  24. 190
  25. 126
  26. 2550
  27. 3584
  28. smaller
  29. smaller
  30. smaller
  31. 240
  32. 550
  33. 1750
  34. 54
  35. bigger
  36. smaller
  37. 4209
  38. 26
  39. 133
  40. 21

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