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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 979 · 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. 2.81² =
  3. 3.36² =
  4. 4.34² =
  5. 5.49² =
  6. 6.12² =
  7. 7.69² =
  8. 8.29² =
  9. 9.32² =
  10. 10.49² =
  11. 11.92² =
  12. 12.25² =
  13. 13.86² =
  14. 14.91² =
  15. 15.62² =
  16. 16.66² =
  17. 17.89² =
  18. 18.71² =
  19. 19.76² =
  20. 20.65² =
  21. 21.65² =
  22. 22.54² =
  23. 23.54² =
  24. 24.22² =
  25. 25.14² =
  26. 26.63² =
  27. 27.64² =
  28. 28.98² =
  29. 29.29² =
  30. 30.34² =
  31. 31.91² =
  32. 32.22² =
  33. 33.99² =
  34. 34.73² =
  35. 35.48² =
  36. 36.75² =
  37. 37.81² =
  38. 38.52² =
  39. 39.91² =
  40. 40.78² =

Answer key

  1. 3721
  2. 6561
  3. 1296
  4. 1156
  5. 2401
  6. 144
  7. 4761
  8. 841
  9. 1024
  10. 2401
  11. 8464
  12. 625
  13. 7396
  14. 8281
  15. 3844
  16. 4356
  17. 7921
  18. 5041
  19. 5776
  20. 4225
  21. 4225
  22. 2916
  23. 2916
  24. 484
  25. 196
  26. 3969
  27. 4096
  28. 9604
  29. 841
  30. 1156
  31. 8281
  32. 484
  33. 9801
  34. 5329
  35. 2304
  36. 5625
  37. 6561
  38. 2704
  39. 8281
  40. 6084

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