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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 999 · 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. 2.17² =
  3. 3.28² =
  4. 4.11² =
  5. 5.78² =
  6. 6.86² =
  7. 7.43² =
  8. 8.24² =
  9. 9.36² =
  10. 10.18² =
  11. 11.82² =
  12. 12.19² =
  13. 13.37² =
  14. 14.51² =
  15. 15.88² =
  16. 16.39² =
  17. 17.48² =
  18. 18.31² =
  19. 19.91² =
  20. 20.58² =
  21. 21.16² =
  22. 22.62² =
  23. 23.87² =
  24. 24.15² =
  25. 25.61² =
  26. 26.47² =
  27. 27.98² =
  28. 28.34² =
  29. 29.63² =
  30. 30.93² =
  31. 31.26² =
  32. 32.95² =
  33. 33.65² =
  34. 34.22² =
  35. 35.78² =
  36. 36.27² =
  37. 37.27² =
  38. 38.41² =
  39. 39.65² =
  40. 40.91² =

Answer key

  1. 6889
  2. 289
  3. 784
  4. 121
  5. 6084
  6. 7396
  7. 1849
  8. 576
  9. 1296
  10. 324
  11. 6724
  12. 361
  13. 1369
  14. 2601
  15. 7744
  16. 1521
  17. 2304
  18. 961
  19. 8281
  20. 3364
  21. 256
  22. 3844
  23. 7569
  24. 225
  25. 3721
  26. 2209
  27. 9604
  28. 1156
  29. 3969
  30. 8649
  31. 676
  32. 9025
  33. 4225
  34. 484
  35. 6084
  36. 729
  37. 729
  38. 1681
  39. 4225
  40. 8281

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