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Tables & multiplication lesson 22: Mixed challenge · Set 71 · 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 19 × 0.5 bigger or smaller than 19? (a) bigger (b) smaller
  2. 2.How many days are there in 8 weeks?
  3. 3.64 × 5 =
  4. 4.54 × 2 =
  5. 5.125 × 30 =
  6. 6.58 × 3 =
  7. 7.14 × 19 =
  8. 8.35 × 12 =
  9. 9.49 × 51 =
  10. 10.45 × 12 =
  11. 11.82 × 5 =
  12. 12.10 × 29 =
  13. 13.9 × 47 =
  14. 14.3 × 19 =
  15. 15.29 × 2 =
  16. 16.9 × 16 =
  17. 17.Is 23 × 1.5 bigger or smaller than 23? (a) bigger (b) smaller
  18. 18.68 × 50 =
  19. 19.A rangoli has 3 rows of 8 dots. How many dots are there in all?
  20. 20.Is 42 × 1.1 bigger or smaller than 42? (a) bigger (b) smaller
  21. 21.82 × 50 =
  22. 22.54 × 5 =
  23. 23.A school bus has 9 rows of seats and 4 children sit in each row. How many children can sit?
  24. 24.A school bus has 7 rows of seats and 2 children sit in each row. How many children can sit?
  25. 25.14 × 19 =
  26. 26.38 × 65 =
  27. 27.8 × 99 =
  28. 28.A rangoli has 3 rows of 6 dots. How many dots are there in all?
  29. 29.15 × 2 =
  30. 30.72 × 25 =
  31. 31.How many days are there in 8 weeks?
  32. 32.35 × 20 =
  33. 33.25 × 30 =
  34. 34.A hall has 8 rows of 12 chairs and 4 extra chairs at the back. How many chairs are there in all?
  35. 35.69 × 8 =
  36. 36.69 × 9 =
  37. 37.How many days are there in 3 weeks?
  38. 38.25 × 14 =
  39. 39.18 × 22 =
  40. 40.125 × 16 =

Answer key

  1. smaller
  2. 56
  3. 320
  4. 108
  5. 3750
  6. 174
  7. 266
  8. 420
  9. 2499
  10. 540
  11. 410
  12. 290
  13. 423
  14. 57
  15. 58
  16. 144
  17. bigger
  18. 3400
  19. 24
  20. bigger
  21. 4100
  22. 270
  23. 36
  24. 14
  25. 266
  26. 2470
  27. 792
  28. 18
  29. 30
  30. 1800
  31. 56
  32. 700
  33. 750
  34. 100
  35. 552
  36. 621
  37. 21
  38. 350
  39. 396
  40. 2000

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