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Multiplication Near Squares Worksheet

Tables & multiplication lesson 18: Number patterns near squares · Set 819 · 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. 1.99 × 101 =
  2. 2.39 × 41 =
  3. 3.59 × 61 =
  4. 4.25 × 35 =
  5. 5.68 × 72 =
  6. 6.98 × 102 =
  7. 7.35 × 45 =
  8. 8.81 × 89 =
  9. 9.11 × 19 =
  10. 10.29 × 31 =
  11. 11.75 × 85 =
  12. 12.14 × 16 =
  13. 13.90 × 100 =
  14. 14.31 × 39 =
  15. 15.39 × 41 =
  16. 16.86 × 94 =
  17. 17.77 × 83 =
  18. 18.27 × 33 =
  19. 19.97 × 103 =
  20. 20.71 × 79 =
  21. 21.18 × 22 =
  22. 22.88 × 92 =
  23. 23.65 × 75 =
  24. 24.65 × 75 =
  25. 25.35 × 45 =
  26. 26.12 × 18 =
  27. 27.86 × 94 =
  28. 28.59 × 61 =
  29. 29.17 × 23 =
  30. 30.37 × 43 =
  31. 31.77 × 83 =
  32. 32.39 × 41 =
  33. 33.79 × 81 =
  34. 34.67 × 73 =
  35. 35.77 × 83 =
  36. 36.35 × 45 =
  37. 37.49 × 51 =
  38. 38.68 × 72 =
  39. 39.47 × 53 =
  40. 40.38 × 42 =

Answer key

  1. 9999
  2. 1599
  3. 3599
  4. 875
  5. 4896
  6. 9996
  7. 1575
  8. 7209
  9. 209
  10. 899
  11. 6375
  12. 224
  13. 9000
  14. 1209
  15. 1599
  16. 8084
  17. 6391
  18. 891
  19. 9991
  20. 5609
  21. 396
  22. 8096
  23. 4875
  24. 4875
  25. 1575
  26. 216
  27. 8084
  28. 3599
  29. 391
  30. 1591
  31. 6391
  32. 1599
  33. 6399
  34. 4891
  35. 6391
  36. 1575
  37. 2499
  38. 4896
  39. 2491
  40. 1596

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