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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 448 · 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. 1.93² =
  2. 2.76² =
  3. 3.26² =
  4. 4.99² =
  5. 5.67² =
  6. 6.65² =
  7. 7.24² =
  8. 8.13² =
  9. 9.81² =
  10. 10.92² =
  11. 11.81² =
  12. 12.69² =
  13. 13.72² =
  14. 14.82² =
  15. 15.64² =
  16. 16.21² =
  17. 17.16² =
  18. 18.31² =
  19. 19.52² =
  20. 20.47² =
  21. 21.97² =
  22. 22.24² =
  23. 23.19² =
  24. 24.16² =
  25. 25.31² =
  26. 26.49² =
  27. 27.54² =
  28. 28.69² =
  29. 29.62² =
  30. 30.82² =
  31. 31.88² =
  32. 32.63² =
  33. 33.33² =
  34. 34.82² =
  35. 35.48² =
  36. 36.18² =
  37. 37.51² =
  38. 38.18² =
  39. 39.14² =
  40. 40.35² =

Answer key

  1. 8649
  2. 5776
  3. 676
  4. 9801
  5. 4489
  6. 4225
  7. 576
  8. 169
  9. 6561
  10. 8464
  11. 6561
  12. 4761
  13. 5184
  14. 6724
  15. 4096
  16. 441
  17. 256
  18. 961
  19. 2704
  20. 2209
  21. 9409
  22. 576
  23. 361
  24. 256
  25. 961
  26. 2401
  27. 2916
  28. 4761
  29. 3844
  30. 6724
  31. 7744
  32. 3969
  33. 1089
  34. 6724
  35. 2304
  36. 324
  37. 2601
  38. 324
  39. 196
  40. 1225

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