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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 712 · 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. 1.83² =
  2. 2.52² =
  3. 3.21² =
  4. 4.47² =
  5. 5.83² =
  6. 6.18² =
  7. 7.57² =
  8. 8.21² =
  9. 9.21² =
  10. 10.62² =
  11. 11.46² =
  12. 12.61² =
  13. 13.36² =
  14. 14.77² =
  15. 15.81² =
  16. 16.67² =
  17. 17.26² =
  18. 18.88² =
  19. 19.23² =
  20. 20.64² =
  21. 21.48² =
  22. 22.68² =
  23. 23.53² =
  24. 24.58² =
  25. 25.71² =
  26. 26.24² =
  27. 27.32² =
  28. 28.38² =
  29. 29.81² =
  30. 30.31² =
  31. 31.45² =
  32. 32.21² =
  33. 33.57² =
  34. 34.85² =
  35. 35.25² =
  36. 36.39² =
  37. 37.48² =
  38. 38.13² =
  39. 39.95² =
  40. 40.31² =

Answer key

  1. 6889
  2. 2704
  3. 441
  4. 2209
  5. 6889
  6. 324
  7. 3249
  8. 441
  9. 441
  10. 3844
  11. 2116
  12. 3721
  13. 1296
  14. 5929
  15. 6561
  16. 4489
  17. 676
  18. 7744
  19. 529
  20. 4096
  21. 2304
  22. 4624
  23. 2809
  24. 3364
  25. 5041
  26. 576
  27. 1024
  28. 1444
  29. 6561
  30. 961
  31. 2025
  32. 441
  33. 3249
  34. 7225
  35. 625
  36. 1521
  37. 2304
  38. 169
  39. 9025
  40. 961

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