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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 642 · 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. 1.61² =
  2. 2.27² =
  3. 3.23² =
  4. 4.23² =
  5. 5.71² =
  6. 6.69² =
  7. 7.98² =
  8. 8.51² =
  9. 9.39² =
  10. 10.44² =
  11. 11.37² =
  12. 12.93² =
  13. 13.57² =
  14. 14.71² =
  15. 15.65² =
  16. 16.48² =
  17. 17.31² =
  18. 18.39² =
  19. 19.92² =
  20. 20.48² =
  21. 21.28² =
  22. 22.48² =
  23. 23.82² =
  24. 24.65² =
  25. 25.91² =
  26. 26.74² =
  27. 27.36² =
  28. 28.65² =
  29. 29.13² =
  30. 30.78² =
  31. 31.21² =
  32. 32.67² =
  33. 33.92² =
  34. 34.84² =
  35. 35.13² =
  36. 36.31² =
  37. 37.13² =
  38. 38.74² =
  39. 39.13² =
  40. 40.53² =

Answer key

  1. 3721
  2. 729
  3. 529
  4. 529
  5. 5041
  6. 4761
  7. 9604
  8. 2601
  9. 1521
  10. 1936
  11. 1369
  12. 8649
  13. 3249
  14. 5041
  15. 4225
  16. 2304
  17. 961
  18. 1521
  19. 8464
  20. 2304
  21. 784
  22. 2304
  23. 6724
  24. 4225
  25. 8281
  26. 5476
  27. 1296
  28. 4225
  29. 169
  30. 6084
  31. 441
  32. 4489
  33. 8464
  34. 7056
  35. 169
  36. 961
  37. 169
  38. 5476
  39. 169
  40. 2809

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