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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 411 · 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. 1.24² =
  2. 2.63² =
  3. 3.88² =
  4. 4.48² =
  5. 5.79² =
  6. 6.38² =
  7. 7.54² =
  8. 8.66² =
  9. 9.91² =
  10. 10.43² =
  11. 11.79² =
  12. 12.21² =
  13. 13.67² =
  14. 14.87² =
  15. 15.75² =
  16. 16.25² =
  17. 17.88² =
  18. 18.63² =
  19. 19.55² =
  20. 20.13² =
  21. 21.74² =
  22. 22.34² =
  23. 23.98² =
  24. 24.98² =
  25. 25.91² =
  26. 26.22² =
  27. 27.68² =
  28. 28.65² =
  29. 29.49² =
  30. 30.71² =
  31. 31.31² =
  32. 32.91² =
  33. 33.76² =
  34. 34.37² =
  35. 35.88² =
  36. 36.81² =
  37. 37.16² =
  38. 38.14² =
  39. 39.12² =
  40. 40.79² =

Answer key

  1. 576
  2. 3969
  3. 7744
  4. 2304
  5. 6241
  6. 1444
  7. 2916
  8. 4356
  9. 8281
  10. 1849
  11. 6241
  12. 441
  13. 4489
  14. 7569
  15. 5625
  16. 625
  17. 7744
  18. 3969
  19. 3025
  20. 169
  21. 5476
  22. 1156
  23. 9604
  24. 9604
  25. 8281
  26. 484
  27. 4624
  28. 4225
  29. 2401
  30. 5041
  31. 961
  32. 8281
  33. 5776
  34. 1369
  35. 7744
  36. 6561
  37. 256
  38. 196
  39. 144
  40. 6241

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