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Tables & multiplication lesson 22: Mixed challenge · Set 717 · 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 72 × 1.1 bigger or smaller than 72? (a) bigger (b) smaller
  2. 2.28 × 75 =
  3. 3.31 × 8 =
  4. 4.45 × 4 =
  5. 5.7 × 51 =
  6. 6.7 × 43 =
  7. 7.21 × 99 =
  8. 8.40 × 25 =
  9. 9.Is 66 × 1.5 bigger or smaller than 66? (a) bigger (b) smaller
  10. 10.4 × 15 =
  11. 11.48 × 52 =
  12. 12.Is 28 × 0.9 bigger or smaller than 28? (a) bigger (b) smaller
  13. 13.67 × 9 =
  14. 14.65 × 38 =
  15. 15.18 × 15 =
  16. 16.38 × 50 =
  17. 17.28 × 32 =
  18. 18.48 × 25 =
  19. 19.29 × 98 =
  20. 20.Is 47 × 0.75 bigger or smaller than 47? (a) bigger (b) smaller
  21. 21.11 × 99 =
  22. 22.There are 7 packets with 10 pencils in each packet. How many pencils are there?
  23. 23.65 × 14 =
  24. 24.66 × 74 =
  25. 25.87 × 93 =
  26. 26.A school bus has 7 rows of seats and 3 children sit in each row. How many children can sit?
  27. 27.Is 44 × 0.9 bigger or smaller than 44? (a) bigger (b) smaller
  28. 28.73 × 77 =
  29. 29.20 × 65 =
  30. 30.21 × 2 =
  31. 31.46 × 8 =
  32. 32.84 × 4 =
  33. 33.26 × 4 =
  34. 34.A hall has 8 rows of 6 chairs and 9 extra chairs at the back. How many chairs are there in all?
  35. 35.34 × 9 =
  36. 36.Is 33 × 0.25 bigger or smaller than 33? (a) bigger (b) smaller
  37. 37.Is 34 × 0.2 bigger or smaller than 34? (a) bigger (b) smaller
  38. 38.30 × 25 =
  39. 39.39 × 41 =
  40. 40.Is 22 × 0.9 bigger or smaller than 22? (a) bigger (b) smaller

Answer key

  1. bigger
  2. 2100
  3. 248
  4. 180
  5. 357
  6. 301
  7. 2079
  8. 1000
  9. bigger
  10. 60
  11. 2496
  12. smaller
  13. 603
  14. 2470
  15. 270
  16. 1900
  17. 896
  18. 1200
  19. 2842
  20. smaller
  21. 1089
  22. 70
  23. 910
  24. 4884
  25. 8091
  26. 21
  27. smaller
  28. 5621
  29. 1300
  30. 42
  31. 368
  32. 336
  33. 104
  34. 57
  35. 306
  36. smaller
  37. smaller
  38. 750
  39. 1599
  40. smaller

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