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Tables & multiplication lesson 22: Mixed challenge · Set 669 · 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. 1.11 × 49 =
  2. 2.81 × 4 =
  3. 3.26 × 5 =
  4. 4.31 × 3 =
  5. 5.Is 36 × 1.1 bigger or smaller than 36? (a) bigger (b) smaller
  6. 6.97 × 8 =
  7. 7.9 × 9 =
  8. 8.3 × 14 =
  9. 9.18 × 55 =
  10. 10.Is 98 × 1.1 bigger or smaller than 98? (a) bigger (b) smaller
  11. 11.Is 88 × 0.9 bigger or smaller than 88? (a) bigger (b) smaller
  12. 12.25 × 99 =
  13. 13.56 × 4 =
  14. 14.93 × 97 =
  15. 15.8 × 15 =
  16. 16.7 × 9 =
  17. 17.12 × 5 =
  18. 18.125 × 28 =
  19. 19.20 × 30 =
  20. 20.82 × 5 =
  21. 21.12 × 19 =
  22. 22.Is 73 × 0.25 bigger or smaller than 73? (a) bigger (b) smaller
  23. 23.53 × 57 =
  24. 24.50 × 5 =
  25. 25.A school bus has 11 rows of seats and 4 children sit in each row. How many children can sit?
  26. 26.18 × 2 =
  27. 27.Is 20 × 0.75 bigger or smaller than 20? (a) bigger (b) smaller
  28. 28.3 × 49 =
  29. 29.A hall has 8 rows of 6 chairs and 4 extra chairs at the back. How many chairs are there in all?
  30. 30.24 × 6 =
  31. 31.9 × 59 =
  32. 32.64 × 25 =
  33. 33.34 × 6 =
  34. 34.A rangoli has 5 rows of 6 dots. How many dots are there in all?
  35. 35.64 × 66 =
  36. 36.4 × 19 =
  37. 37.58 × 5 =
  38. 38.15 × 9 =
  39. 39.6 × 32 =
  40. 40.4 × 13 =

Answer key

  1. 539
  2. 324
  3. 130
  4. 93
  5. bigger
  6. 776
  7. 81
  8. 42
  9. 990
  10. bigger
  11. smaller
  12. 2475
  13. 224
  14. 9021
  15. 120
  16. 63
  17. 60
  18. 3500
  19. 600
  20. 410
  21. 228
  22. smaller
  23. 3021
  24. 250
  25. 44
  26. 36
  27. smaller
  28. 147
  29. 52
  30. 144
  31. 531
  32. 1600
  33. 204
  34. 30
  35. 4224
  36. 76
  37. 290
  38. 135
  39. 192
  40. 52

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