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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 240 · 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. 1.21² =
  2. 2.52² =
  3. 3.18² =
  4. 4.32² =
  5. 5.54² =
  6. 6.78² =
  7. 7.41² =
  8. 8.46² =
  9. 9.95² =
  10. 10.38² =
  11. 11.34² =
  12. 12.48² =
  13. 13.96² =
  14. 14.16² =
  15. 15.98² =
  16. 16.35² =
  17. 17.93² =
  18. 18.22² =
  19. 19.47² =
  20. 20.74² =
  21. 21.34² =
  22. 22.17² =
  23. 23.55² =
  24. 24.24² =
  25. 25.38² =
  26. 26.77² =
  27. 27.11² =
  28. 28.87² =
  29. 29.79² =
  30. 30.51² =
  31. 31.25² =
  32. 32.86² =
  33. 33.67² =
  34. 34.41² =
  35. 35.25² =
  36. 36.14² =
  37. 37.36² =
  38. 38.63² =
  39. 39.81² =
  40. 40.31² =

Answer key

  1. 441
  2. 2704
  3. 324
  4. 1024
  5. 2916
  6. 6084
  7. 1681
  8. 2116
  9. 9025
  10. 1444
  11. 1156
  12. 2304
  13. 9216
  14. 256
  15. 9604
  16. 1225
  17. 8649
  18. 484
  19. 2209
  20. 5476
  21. 1156
  22. 289
  23. 3025
  24. 576
  25. 1444
  26. 5929
  27. 121
  28. 7569
  29. 6241
  30. 2601
  31. 625
  32. 7396
  33. 4489
  34. 1681
  35. 625
  36. 196
  37. 1296
  38. 3969
  39. 6561
  40. 961

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