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Tables & multiplication lesson 22: Mixed challenge · Set 830 · 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. 1.19 × 21 =
  2. 2.65 × 75 =
  3. 3.10 × 19 =
  4. 4.5 × 58 =
  5. 5.Is 21 × 0.9 bigger or smaller than 21? (a) bigger (b) smaller
  6. 6.75 × 85 =
  7. 7.4 × 24 =
  8. 8.15 × 16 =
  9. 9.8 × 9 =
  10. 10.One notebook costs ₹21. How many rupees do 3 notebooks cost?
  11. 11.7 × 42 =
  12. 12.A hall has 5 rows of 6 chairs and 3 extra chairs at the back. How many chairs are there in all?
  13. 13.12 × 99 =
  14. 14.Is 14 × 0.5 bigger or smaller than 14? (a) bigger (b) smaller
  15. 15.18 × 55 =
  16. 16.Is 72 × 0.2 bigger or smaller than 72? (a) bigger (b) smaller
  17. 17.6 × 29 =
  18. 18.3 × 19 =
  19. 19.29 × 6 =
  20. 20.Is 44 × 1.2 bigger or smaller than 44? (a) bigger (b) smaller
  21. 21.31 × 3 =
  22. 22.17 × 99 =
  23. 23.A school bus has 6 rows of seats and 3 children sit in each row. How many children can sit?
  24. 24.62 × 6 =
  25. 25.92 × 50 =
  26. 26.Is 88 × 1.5 bigger or smaller than 88? (a) bigger (b) smaller
  27. 27.7 × 15 =
  28. 28.10 × 98 =
  29. 29.13 × 19 =
  30. 30.19 × 21 =
  31. 31.82 × 6 =
  32. 32.Is 85 × 0.75 bigger or smaller than 85? (a) bigger (b) smaller
  33. 33.10 × 29 =
  34. 34.5 × 46 =
  35. 35.2 × 13 =
  36. 36.8 × 9 =
  37. 37.53 × 7 =
  38. 38.Is 22 × 0.25 bigger or smaller than 22? (a) bigger (b) smaller
  39. 39.Is 83 × 1.1 bigger or smaller than 83? (a) bigger (b) smaller
  40. 40.18 × 5 =

Answer key

  1. 399
  2. 4875
  3. 190
  4. 290
  5. smaller
  6. 6375
  7. 96
  8. 240
  9. 72
  10. 63
  11. 294
  12. 33
  13. 1188
  14. smaller
  15. 990
  16. smaller
  17. 174
  18. 57
  19. 174
  20. bigger
  21. 93
  22. 1683
  23. 18
  24. 372
  25. 4600
  26. bigger
  27. 105
  28. 980
  29. 247
  30. 399
  31. 492
  32. smaller
  33. 290
  34. 230
  35. 26
  36. 72
  37. 371
  38. smaller
  39. bigger
  40. 90

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