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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 503 · 40 sums
TalentJR

The trick (Dwandwa Yoga): For the number ab: right column = b². Middle column = 2 × a × b. Left column = a². Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.67² =
  2. 2.61² =
  3. 3.48² =
  4. 4.34² =
  5. 5.83² =
  6. 6.12² =
  7. 7.35² =
  8. 8.19² =
  9. 9.54² =
  10. 10.71² =
  11. 11.18² =
  12. 12.95² =
  13. 13.71² =
  14. 14.21² =
  15. 15.16² =
  16. 16.54² =
  17. 17.52² =
  18. 18.59² =
  19. 19.65² =
  20. 20.86² =
  21. 21.13² =
  22. 22.22² =
  23. 23.18² =
  24. 24.82² =
  25. 25.64² =
  26. 26.64² =
  27. 27.19² =
  28. 28.62² =
  29. 29.13² =
  30. 30.31² =
  31. 31.62² =
  32. 32.91² =
  33. 33.83² =
  34. 34.12² =
  35. 35.42² =
  36. 36.16² =
  37. 37.89² =
  38. 38.89² =
  39. 39.93² =
  40. 40.88² =

Answer key

  1. 4489
  2. 3721
  3. 2304
  4. 1156
  5. 6889
  6. 144
  7. 1225
  8. 361
  9. 2916
  10. 5041
  11. 324
  12. 9025
  13. 5041
  14. 441
  15. 256
  16. 2916
  17. 2704
  18. 3481
  19. 4225
  20. 7396
  21. 169
  22. 484
  23. 324
  24. 6724
  25. 4096
  26. 4096
  27. 361
  28. 3844
  29. 169
  30. 961
  31. 3844
  32. 8281
  33. 6889
  34. 144
  35. 1764
  36. 256
  37. 7921
  38. 7921
  39. 8649
  40. 7744

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