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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 221 · 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. 1.16² =
  2. 2.12² =
  3. 3.85² =
  4. 4.87² =
  5. 5.13² =
  6. 6.42² =
  7. 7.58² =
  8. 8.77² =
  9. 9.36² =
  10. 10.26² =
  11. 11.46² =
  12. 12.55² =
  13. 13.81² =
  14. 14.65² =
  15. 15.75² =
  16. 16.72² =
  17. 17.91² =
  18. 18.78² =
  19. 19.77² =
  20. 20.27² =
  21. 21.64² =
  22. 22.52² =
  23. 23.63² =
  24. 24.42² =
  25. 25.27² =
  26. 26.51² =
  27. 27.61² =
  28. 28.58² =
  29. 29.96² =
  30. 30.85² =
  31. 31.37² =
  32. 32.74² =
  33. 33.37² =
  34. 34.65² =
  35. 35.66² =
  36. 36.38² =
  37. 37.13² =
  38. 38.55² =
  39. 39.33² =
  40. 40.85² =

Answer key

  1. 256
  2. 144
  3. 7225
  4. 7569
  5. 169
  6. 1764
  7. 3364
  8. 5929
  9. 1296
  10. 676
  11. 2116
  12. 3025
  13. 6561
  14. 4225
  15. 5625
  16. 5184
  17. 8281
  18. 6084
  19. 5929
  20. 729
  21. 4096
  22. 2704
  23. 3969
  24. 1764
  25. 729
  26. 2601
  27. 3721
  28. 3364
  29. 9216
  30. 7225
  31. 1369
  32. 5476
  33. 1369
  34. 4225
  35. 4356
  36. 1444
  37. 169
  38. 3025
  39. 1089
  40. 7225

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