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Tables & multiplication lesson 22: Mixed challenge · Set 665 · 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. 1.58 × 50 =
  2. 2.Is 90 × 0.75 bigger or smaller than 90? (a) bigger (b) smaller
  3. 3.There are 7 packets with 10 pencils in each packet. How many pencils are there?
  4. 4.Is 25 × 1.5 bigger or smaller than 25? (a) bigger (b) smaller
  5. 5.How many days are there in 5 weeks?
  6. 6.8 × 9 =
  7. 7.8 × 19 =
  8. 8.18 × 99 =
  9. 9.20 × 25 =
  10. 10.4 × 18 =
  11. 11.59 × 8 =
  12. 12.12 × 15 =
  13. 13.12 × 2 =
  14. 14.8 × 55 =
  15. 15.68 × 5 =
  16. 16.Is 67 × 0.9 bigger or smaller than 67? (a) bigger (b) smaller
  17. 17.A rangoli has 7 rows of 10 dots. How many dots are there in all?
  18. 18.54 × 56 =
  19. 19.51 × 5 =
  20. 20.16 × 25 =
  21. 21.A garden has 7 rows with 13 plants in each row, but 4 plants are missing. How many plants are there?
  22. 22.37 × 43 =
  23. 23.75 × 85 =
  24. 24.Is 36 × 1.5 bigger or smaller than 36? (a) bigger (b) smaller
  25. 25.56 × 25 =
  26. 26.Is 86 × 1.2 bigger or smaller than 86? (a) bigger (b) smaller
  27. 27.67 × 8 =
  28. 28.13 × 99 =
  29. 29.45 × 38 =
  30. 30.25 × 38 =
  31. 31.8 × 29 =
  32. 32.27 × 99 =
  33. 33.3 × 39 =
  34. 34.74 × 6 =
  35. 35.A box has 6 ladoos. How many ladoos are there in 4 boxes?
  36. 36.51 × 2 =
  37. 37.35 × 45 =
  38. 38.3 × 28 =
  39. 39.Is 44 × 1.2 bigger or smaller than 44? (a) bigger (b) smaller
  40. 40.6 × 9 =

Answer key

  1. 2900
  2. smaller
  3. 70
  4. bigger
  5. 35
  6. 72
  7. 152
  8. 1782
  9. 500
  10. 72
  11. 472
  12. 180
  13. 24
  14. 440
  15. 340
  16. smaller
  17. 70
  18. 3024
  19. 255
  20. 400
  21. 87
  22. 1591
  23. 6375
  24. bigger
  25. 1400
  26. bigger
  27. 536
  28. 1287
  29. 1710
  30. 950
  31. 232
  32. 2673
  33. 117
  34. 444
  35. 24
  36. 102
  37. 1575
  38. 84
  39. bigger
  40. 54

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