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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 690 · 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. 1.64² =
  2. 2.53² =
  3. 3.44² =
  4. 4.23² =
  5. 5.25² =
  6. 6.85² =
  7. 7.74² =
  8. 8.61² =
  9. 9.71² =
  10. 10.87² =
  11. 11.34² =
  12. 12.57² =
  13. 13.86² =
  14. 14.69² =
  15. 15.48² =
  16. 16.56² =
  17. 17.92² =
  18. 18.82² =
  19. 19.92² =
  20. 20.86² =
  21. 21.77² =
  22. 22.99² =
  23. 23.16² =
  24. 24.12² =
  25. 25.91² =
  26. 26.71² =
  27. 27.69² =
  28. 28.85² =
  29. 29.88² =
  30. 30.97² =
  31. 31.81² =
  32. 32.57² =
  33. 33.91² =
  34. 34.81² =
  35. 35.28² =
  36. 36.85² =
  37. 37.67² =
  38. 38.75² =
  39. 39.67² =
  40. 40.14² =

Answer key

  1. 4096
  2. 2809
  3. 1936
  4. 529
  5. 625
  6. 7225
  7. 5476
  8. 3721
  9. 5041
  10. 7569
  11. 1156
  12. 3249
  13. 7396
  14. 4761
  15. 2304
  16. 3136
  17. 8464
  18. 6724
  19. 8464
  20. 7396
  21. 5929
  22. 9801
  23. 256
  24. 144
  25. 8281
  26. 5041
  27. 4761
  28. 7225
  29. 7744
  30. 9409
  31. 6561
  32. 3249
  33. 8281
  34. 6561
  35. 784
  36. 7225
  37. 4489
  38. 5625
  39. 4489
  40. 196

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