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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 279 · 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. 1.43² =
  2. 2.19² =
  3. 3.98² =
  4. 4.41² =
  5. 5.72² =
  6. 6.28² =
  7. 7.36² =
  8. 8.86² =
  9. 9.66² =
  10. 10.85² =
  11. 11.27² =
  12. 12.41² =
  13. 13.71² =
  14. 14.34² =
  15. 15.53² =
  16. 16.92² =
  17. 17.38² =
  18. 18.43² =
  19. 19.83² =
  20. 20.57² =
  21. 21.19² =
  22. 22.95² =
  23. 23.69² =
  24. 24.41² =
  25. 25.74² =
  26. 26.31² =
  27. 27.94² =
  28. 28.24² =
  29. 29.32² =
  30. 30.91² =
  31. 31.96² =
  32. 32.41² =
  33. 33.51² =
  34. 34.13² =
  35. 35.63² =
  36. 36.47² =
  37. 37.31² =
  38. 38.75² =
  39. 39.48² =
  40. 40.53² =

Answer key

  1. 1849
  2. 361
  3. 9604
  4. 1681
  5. 5184
  6. 784
  7. 1296
  8. 7396
  9. 4356
  10. 7225
  11. 729
  12. 1681
  13. 5041
  14. 1156
  15. 2809
  16. 8464
  17. 1444
  18. 1849
  19. 6889
  20. 3249
  21. 361
  22. 9025
  23. 4761
  24. 1681
  25. 5476
  26. 961
  27. 8836
  28. 576
  29. 1024
  30. 8281
  31. 9216
  32. 1681
  33. 2601
  34. 169
  35. 3969
  36. 2209
  37. 961
  38. 5625
  39. 2304
  40. 2809

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