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Tables & multiplication lesson 22: Mixed challenge · Set 591 · 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 76 × 1.2 bigger or smaller than 76? (a) bigger (b) smaller
  2. 2.22 × 15 =
  3. 3.46 × 50 =
  4. 4.6 × 13 =
  5. 5.A rangoli has 3 rows of 10 dots. How many dots are there in all?
  6. 6.Is 15 × 0.25 bigger or smaller than 15? (a) bigger (b) smaller
  7. 7.Is 51 × 0.75 bigger or smaller than 51? (a) bigger (b) smaller
  8. 8.25 × 20 =
  9. 9.A school bus has 9 rows of seats and 3 children sit in each row. How many children can sit?
  10. 10.There are 8 packets with 6 pencils in each packet. How many pencils are there?
  11. 11.85 × 95 =
  12. 12.25 × 30 =
  13. 13.6 × 59 =
  14. 14.50 × 5 =
  15. 15.81 × 89 =
  16. 16.4 × 9 =
  17. 17.52 × 25 =
  18. 18.9 × 29 =
  19. 19.6 × 51 =
  20. 20.Is 70 × 2.5 bigger or smaller than 70? (a) bigger (b) smaller
  21. 21.A garden has 4 rows with 15 plants in each row, but 5 plants are missing. How many plants are there?
  22. 22.22 × 5 =
  23. 23.20 × 45 =
  24. 24.2 × 39 =
  25. 25.Is 38 × 0.2 bigger or smaller than 38? (a) bigger (b) smaller
  26. 26.78 × 50 =
  27. 27.45 × 55 =
  28. 28.62 × 3 =
  29. 29.25 × 3 =
  30. 30.16 × 99 =
  31. 31.Is 28 × 1.5 bigger or smaller than 28? (a) bigger (b) smaller
  32. 32.7 × 43 =
  33. 33.9 × 98 =
  34. 34.28 × 3 =
  35. 35.7 × 27 =
  36. 36.46 × 5 =
  37. 37.A hall has 4 rows of 9 chairs and 6 extra chairs at the back. How many chairs are there in all?
  38. 38.84 × 5 =
  39. 39.24 × 25 =
  40. 40.5 × 43 =

Answer key

  1. bigger
  2. 330
  3. 2300
  4. 78
  5. 30
  6. smaller
  7. smaller
  8. 500
  9. 27
  10. 48
  11. 8075
  12. 750
  13. 354
  14. 250
  15. 7209
  16. 36
  17. 1300
  18. 261
  19. 306
  20. bigger
  21. 55
  22. 110
  23. 900
  24. 78
  25. smaller
  26. 3900
  27. 2475
  28. 186
  29. 75
  30. 1584
  31. bigger
  32. 301
  33. 882
  34. 84
  35. 189
  36. 230
  37. 42
  38. 420
  39. 600
  40. 215

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