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Tables & multiplication lesson 22: Mixed challenge · Set 581 · 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. 1.68 × 9 =
  2. 2.15 × 9 =
  3. 3.30 × 35 =
  4. 4.65 × 36 =
  5. 5.57 × 5 =
  6. 6.Is 50 × 0.25 bigger or smaller than 50? (a) bigger (b) smaller
  7. 7.40 × 50 =
  8. 8.11 × 19 =
  9. 9.3 × 19 =
  10. 10.A rangoli has 9 rows of 10 dots. How many dots are there in all?
  11. 11.There are 4 packets with 6 pencils in each packet. How many pencils are there?
  12. 12.There are 9 packets with 6 pencils in each packet. How many pencils are there?
  13. 13.Is 67 × 0.25 bigger or smaller than 67? (a) bigger (b) smaller
  14. 14.84 × 25 =
  15. 15.51 × 5 =
  16. 16.78 × 5 =
  17. 17.61 × 8 =
  18. 18.Is 28 × 0.9 bigger or smaller than 28? (a) bigger (b) smaller
  19. 19.31 × 3 =
  20. 20.97 × 8 =
  21. 21.51 × 4 =
  22. 22.Is 77 × 1.1 bigger or smaller than 77? (a) bigger (b) smaller
  23. 23.97 × 103 =
  24. 24.44 × 46 =
  25. 25.48 × 4 =
  26. 26.88 × 50 =
  27. 27.16 × 50 =
  28. 28.One notebook costs ₹22. How many rupees do 9 notebooks cost?
  29. 29.64 × 5 =
  30. 30.6 × 9 =
  31. 31.17 × 23 =
  32. 32.7 × 19 =
  33. 33.Is 19 × 0.9 bigger or smaller than 19? (a) bigger (b) smaller
  34. 34.Is 72 × 1.2 bigger or smaller than 72? (a) bigger (b) smaller
  35. 35.98 × 102 =
  36. 36.15 × 8 =
  37. 37.45 × 8 =
  38. 38.28 × 50 =
  39. 39.21 × 9 =
  40. 40.45 × 40 =

Answer key

  1. 612
  2. 135
  3. 1050
  4. 2340
  5. 285
  6. smaller
  7. 2000
  8. 209
  9. 57
  10. 90
  11. 24
  12. 54
  13. smaller
  14. 2100
  15. 255
  16. 390
  17. 488
  18. smaller
  19. 93
  20. 776
  21. 204
  22. bigger
  23. 9991
  24. 2024
  25. 192
  26. 4400
  27. 800
  28. 198
  29. 320
  30. 54
  31. 391
  32. 133
  33. smaller
  34. bigger
  35. 9996
  36. 120
  37. 360
  38. 1400
  39. 189
  40. 1800

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