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Multiplication Near Squares Worksheet

Tables & multiplication lesson 18: Number patterns near squares · Set 83 · 40 questions
TalentJR

How it works (Middle square): Find the middle number (20 for 19 × 21) and the distance from it (1). Square the middle number. Take away the distance squared.

NameDateTime takenScore ___ / 40
  1. 1.31 × 39 =
  2. 2.26 × 34 =
  3. 3.56 × 64 =
  4. 4.38 × 42 =
  5. 5.12 × 18 =
  6. 6.69 × 71 =
  7. 7.26 × 34 =
  8. 8.97 × 103 =
  9. 9.68 × 72 =
  10. 10.55 × 65 =
  11. 11.13 × 17 =
  12. 12.19 × 21 =
  13. 13.46 × 54 =
  14. 14.20 × 30 =
  15. 15.13 × 17 =
  16. 16.79 × 81 =
  17. 17.47 × 53 =
  18. 18.49 × 51 =
  19. 19.79 × 81 =
  20. 20.81 × 89 =
  21. 21.84 × 86 =
  22. 22.56 × 64 =
  23. 23.78 × 82 =
  24. 24.77 × 83 =
  25. 25.40 × 50 =
  26. 26.79 × 81 =
  27. 27.45 × 55 =
  28. 28.49 × 51 =
  29. 29.34 × 36 =
  30. 30.68 × 72 =
  31. 31.77 × 83 =
  32. 32.99 × 101 =
  33. 33.79 × 81 =
  34. 34.79 × 81 =
  35. 35.85 × 95 =
  36. 36.71 × 79 =
  37. 37.27 × 33 =
  38. 38.85 × 95 =
  39. 39.13 × 17 =
  40. 40.88 × 92 =

Answer key

  1. 1209
  2. 884
  3. 3584
  4. 1596
  5. 216
  6. 4899
  7. 884
  8. 9991
  9. 4896
  10. 3575
  11. 221
  12. 399
  13. 2484
  14. 600
  15. 221
  16. 6399
  17. 2491
  18. 2499
  19. 6399
  20. 7209
  21. 7224
  22. 3584
  23. 6396
  24. 6391
  25. 2000
  26. 6399
  27. 2475
  28. 2499
  29. 1224
  30. 4896
  31. 6391
  32. 9999
  33. 6399
  34. 6399
  35. 8075
  36. 5609
  37. 891
  38. 8075
  39. 221
  40. 8096

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