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Tables & multiplication lesson 22: Mixed challenge · Set 688 · 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. 1.30 × 40 =
  2. 2.6 × 49 =
  3. 3.5 × 29 =
  4. 4.24 × 3 =
  5. 5.35 × 32 =
  6. 6.26 × 15 =
  7. 7.3 × 13 =
  8. 8.40 × 50 =
  9. 9.46 × 6 =
  10. 10.Is 17 × 0.5 bigger or smaller than 17? (a) bigger (b) smaller
  11. 11.80 × 50 =
  12. 12.34 × 35 =
  13. 13.There are 4 packets with 11 pencils in each packet. How many pencils are there?
  14. 14.125 × 20 =
  15. 15.Is 34 × 2.5 bigger or smaller than 34? (a) bigger (b) smaller
  16. 16.75 × 32 =
  17. 17.99 × 4 =
  18. 18.41 × 5 =
  19. 19.How many days are there in 8 weeks?
  20. 20.Is 80 × 0.75 bigger or smaller than 80? (a) bigger (b) smaller
  21. 21.125 × 22 =
  22. 22.32 × 25 =
  23. 23.11 × 29 =
  24. 24.47 × 53 =
  25. 25.92 × 4 =
  26. 26.14 × 6 =
  27. 27.58 × 5 =
  28. 28.9 × 98 =
  29. 29.Is 20 × 0.2 bigger or smaller than 20? (a) bigger (b) smaller
  30. 30.8 × 125 =
  31. 31.11 × 19 =
  32. 32.A school bus has 10 rows of seats and 5 children sit in each row. How many children can sit?
  33. 33.There are 4 packets with 12 pencils in each packet. How many pencils are there?
  34. 34.3 × 9 =
  35. 35.Is 40 × 1.1 bigger or smaller than 40? (a) bigger (b) smaller
  36. 36.Is 66 × 0.2 bigger or smaller than 66? (a) bigger (b) smaller
  37. 37.25 × 30 =
  38. 38.32 × 35 =
  39. 39.29 × 7 =
  40. 40.27 × 4 =

Answer key

  1. 1200
  2. 294
  3. 145
  4. 72
  5. 1120
  6. 390
  7. 39
  8. 2000
  9. 276
  10. smaller
  11. 4000
  12. 1190
  13. 44
  14. 2500
  15. bigger
  16. 2400
  17. 396
  18. 205
  19. 56
  20. smaller
  21. 2750
  22. 800
  23. 319
  24. 2491
  25. 368
  26. 84
  27. 290
  28. 882
  29. smaller
  30. 1000
  31. 209
  32. 50
  33. 48
  34. 27
  35. bigger
  36. smaller
  37. 750
  38. 1120
  39. 203
  40. 108

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