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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 373 · 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. 1.46² =
  2. 2.63² =
  3. 3.71² =
  4. 4.22² =
  5. 5.19² =
  6. 6.68² =
  7. 7.44² =
  8. 8.72² =
  9. 9.46² =
  10. 10.67² =
  11. 11.81² =
  12. 12.34² =
  13. 13.32² =
  14. 14.81² =
  15. 15.63² =
  16. 16.28² =
  17. 17.58² =
  18. 18.55² =
  19. 19.63² =
  20. 20.19² =
  21. 21.64² =
  22. 22.18² =
  23. 23.71² =
  24. 24.43² =
  25. 25.97² =
  26. 26.71² =
  27. 27.15² =
  28. 28.31² =
  29. 29.41² =
  30. 30.86² =
  31. 31.15² =
  32. 32.91² =
  33. 33.18² =
  34. 34.67² =
  35. 35.83² =
  36. 36.91² =
  37. 37.29² =
  38. 38.21² =
  39. 39.44² =
  40. 40.14² =

Answer key

  1. 2116
  2. 3969
  3. 5041
  4. 484
  5. 361
  6. 4624
  7. 1936
  8. 5184
  9. 2116
  10. 4489
  11. 6561
  12. 1156
  13. 1024
  14. 6561
  15. 3969
  16. 784
  17. 3364
  18. 3025
  19. 3969
  20. 361
  21. 4096
  22. 324
  23. 5041
  24. 1849
  25. 9409
  26. 5041
  27. 225
  28. 961
  29. 1681
  30. 7396
  31. 225
  32. 8281
  33. 324
  34. 4489
  35. 6889
  36. 8281
  37. 841
  38. 441
  39. 1936
  40. 196

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