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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 438 · 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. 1.77² =
  2. 2.81² =
  3. 3.63² =
  4. 4.26² =
  5. 5.48² =
  6. 6.28² =
  7. 7.48² =
  8. 8.29² =
  9. 9.61² =
  10. 10.34² =
  11. 11.51² =
  12. 12.85² =
  13. 13.89² =
  14. 14.13² =
  15. 15.71² =
  16. 16.41² =
  17. 17.41² =
  18. 18.41² =
  19. 19.56² =
  20. 20.51² =
  21. 21.77² =
  22. 22.13² =
  23. 23.75² =
  24. 24.29² =
  25. 25.64² =
  26. 26.97² =
  27. 27.72² =
  28. 28.58² =
  29. 29.63² =
  30. 30.44² =
  31. 31.53² =
  32. 32.52² =
  33. 33.57² =
  34. 34.85² =
  35. 35.92² =
  36. 36.18² =
  37. 37.89² =
  38. 38.61² =
  39. 39.81² =
  40. 40.39² =

Answer key

  1. 5929
  2. 6561
  3. 3969
  4. 676
  5. 2304
  6. 784
  7. 2304
  8. 841
  9. 3721
  10. 1156
  11. 2601
  12. 7225
  13. 7921
  14. 169
  15. 5041
  16. 1681
  17. 1681
  18. 1681
  19. 3136
  20. 2601
  21. 5929
  22. 169
  23. 5625
  24. 841
  25. 4096
  26. 9409
  27. 5184
  28. 3364
  29. 3969
  30. 1936
  31. 2809
  32. 2704
  33. 3249
  34. 7225
  35. 8464
  36. 324
  37. 7921
  38. 3721
  39. 6561
  40. 1521

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