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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 691 · 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. 1.89² =
  2. 2.41² =
  3. 3.65² =
  4. 4.69² =
  5. 5.12² =
  6. 6.12² =
  7. 7.88² =
  8. 8.43² =
  9. 9.41² =
  10. 10.61² =
  11. 11.25² =
  12. 12.63² =
  13. 13.48² =
  14. 14.71² =
  15. 15.94² =
  16. 16.18² =
  17. 17.34² =
  18. 18.85² =
  19. 19.79² =
  20. 20.99² =
  21. 21.59² =
  22. 22.28² =
  23. 23.26² =
  24. 24.56² =
  25. 25.46² =
  26. 26.65² =
  27. 27.58² =
  28. 28.18² =
  29. 29.51² =
  30. 30.61² =
  31. 31.91² =
  32. 32.46² =
  33. 33.67² =
  34. 34.45² =
  35. 35.13² =
  36. 36.12² =
  37. 37.63² =
  38. 38.96² =
  39. 39.77² =
  40. 40.33² =

Answer key

  1. 7921
  2. 1681
  3. 4225
  4. 4761
  5. 144
  6. 144
  7. 7744
  8. 1849
  9. 1681
  10. 3721
  11. 625
  12. 3969
  13. 2304
  14. 5041
  15. 8836
  16. 324
  17. 1156
  18. 7225
  19. 6241
  20. 9801
  21. 3481
  22. 784
  23. 676
  24. 3136
  25. 2116
  26. 4225
  27. 3364
  28. 324
  29. 2601
  30. 3721
  31. 8281
  32. 2116
  33. 4489
  34. 2025
  35. 169
  36. 144
  37. 3969
  38. 9216
  39. 5929
  40. 1089

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