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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 163 · 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. 1.72² =
  2. 2.22² =
  3. 3.43² =
  4. 4.97² =
  5. 5.93² =
  6. 6.95² =
  7. 7.67² =
  8. 8.41² =
  9. 9.22² =
  10. 10.33² =
  11. 11.42² =
  12. 12.38² =
  13. 13.25² =
  14. 14.78² =
  15. 15.19² =
  16. 16.95² =
  17. 17.98² =
  18. 18.75² =
  19. 19.34² =
  20. 20.95² =
  21. 21.96² =
  22. 22.97² =
  23. 23.47² =
  24. 24.13² =
  25. 25.92² =
  26. 26.17² =
  27. 27.27² =
  28. 28.91² =
  29. 29.78² =
  30. 30.68² =
  31. 31.67² =
  32. 32.77² =
  33. 33.81² =
  34. 34.35² =
  35. 35.39² =
  36. 36.34² =
  37. 37.97² =
  38. 38.37² =
  39. 39.86² =
  40. 40.44² =

Answer key

  1. 5184
  2. 484
  3. 1849
  4. 9409
  5. 8649
  6. 9025
  7. 4489
  8. 1681
  9. 484
  10. 1089
  11. 1764
  12. 1444
  13. 625
  14. 6084
  15. 361
  16. 9025
  17. 9604
  18. 5625
  19. 1156
  20. 9025
  21. 9216
  22. 9409
  23. 2209
  24. 169
  25. 8464
  26. 289
  27. 729
  28. 8281
  29. 6084
  30. 4624
  31. 4489
  32. 5929
  33. 6561
  34. 1225
  35. 1521
  36. 1156
  37. 9409
  38. 1369
  39. 7396
  40. 1936

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