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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 91 · 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. 1.97² =
  2. 2.37² =
  3. 3.91² =
  4. 4.65² =
  5. 5.93² =
  6. 6.71² =
  7. 7.37² =
  8. 8.64² =
  9. 9.97² =
  10. 10.63² =
  11. 11.26² =
  12. 12.25² =
  13. 13.66² =
  14. 14.82² =
  15. 15.54² =
  16. 16.79² =
  17. 17.26² =
  18. 18.63² =
  19. 19.57² =
  20. 20.38² =
  21. 21.61² =
  22. 22.53² =
  23. 23.61² =
  24. 24.82² =
  25. 25.34² =
  26. 26.75² =
  27. 27.25² =
  28. 28.27² =
  29. 29.64² =
  30. 30.21² =
  31. 31.69² =
  32. 32.58² =
  33. 33.79² =
  34. 34.69² =
  35. 35.69² =
  36. 36.89² =
  37. 37.81² =
  38. 38.17² =
  39. 39.95² =
  40. 40.14² =

Answer key

  1. 9409
  2. 1369
  3. 8281
  4. 4225
  5. 8649
  6. 5041
  7. 1369
  8. 4096
  9. 9409
  10. 3969
  11. 676
  12. 625
  13. 4356
  14. 6724
  15. 2916
  16. 6241
  17. 676
  18. 3969
  19. 3249
  20. 1444
  21. 3721
  22. 2809
  23. 3721
  24. 6724
  25. 1156
  26. 5625
  27. 625
  28. 729
  29. 4096
  30. 441
  31. 4761
  32. 3364
  33. 6241
  34. 4761
  35. 4761
  36. 7921
  37. 6561
  38. 289
  39. 9025
  40. 196

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