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Tables & multiplication lesson 22: Mixed challenge · Set 300 · 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 25 × 1.1 bigger or smaller than 25? (a) bigger (b) smaller
  2. 2.45 × 22 =
  3. 3.5 × 99 =
  4. 4.98 × 50 =
  5. 5.75 × 26 =
  6. 6.16 × 24 =
  7. 7.42 × 50 =
  8. 8.One notebook costs ₹13. How many rupees do 4 notebooks cost?
  9. 9.13 × 19 =
  10. 10.75 × 85 =
  11. 11.12 × 25 =
  12. 12.3 × 16 =
  13. 13.14 × 50 =
  14. 14.75 × 36 =
  15. 15.3 × 9 =
  16. 16.72 × 50 =
  17. 17.40 × 25 =
  18. 18.5 × 29 =
  19. 19.17 × 4 =
  20. 20.55 × 65 =
  21. 21.93 × 97 =
  22. 22.7 × 59 =
  23. 23.79 × 81 =
  24. 24.55 × 8 =
  25. 25.Is 31 × 2.5 bigger or smaller than 31? (a) bigger (b) smaller
  26. 26.11 × 19 =
  27. 27.Is 15 × 0.9 bigger or smaller than 15? (a) bigger (b) smaller
  28. 28.22 × 3 =
  29. 29.91 × 6 =
  30. 30.55 × 4 =
  31. 31.Is 12 × 0.5 bigger or smaller than 12? (a) bigger (b) smaller
  32. 32.37 × 43 =
  33. 33.A rangoli has 9 rows of 4 dots. How many dots are there in all?
  34. 34.55 × 18 =
  35. 35.55 × 65 =
  36. 36.A box has 8 ladoos. How many ladoos are there in 7 boxes?
  37. 37.51 × 8 =
  38. 38.55 × 34 =
  39. 39.Is 87 × 0.25 bigger or smaller than 87? (a) bigger (b) smaller
  40. 40.49 × 51 =

Answer key

  1. bigger
  2. 990
  3. 495
  4. 4900
  5. 1950
  6. 384
  7. 2100
  8. 52
  9. 247
  10. 6375
  11. 300
  12. 48
  13. 700
  14. 2700
  15. 27
  16. 3600
  17. 1000
  18. 145
  19. 68
  20. 3575
  21. 9021
  22. 413
  23. 6399
  24. 440
  25. bigger
  26. 209
  27. smaller
  28. 66
  29. 546
  30. 220
  31. smaller
  32. 1591
  33. 36
  34. 990
  35. 3575
  36. 56
  37. 408
  38. 1870
  39. smaller
  40. 2499

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