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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 63 · 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. 1.13² =
  2. 2.36² =
  3. 3.91² =
  4. 4.47² =
  5. 5.43² =
  6. 6.52² =
  7. 7.62² =
  8. 8.29² =
  9. 9.17² =
  10. 10.55² =
  11. 11.64² =
  12. 12.86² =
  13. 13.64² =
  14. 14.96² =
  15. 15.24² =
  16. 16.21² =
  17. 17.59² =
  18. 18.42² =
  19. 19.11² =
  20. 20.38² =
  21. 21.14² =
  22. 22.58² =
  23. 23.28² =
  24. 24.86² =
  25. 25.48² =
  26. 26.24² =
  27. 27.24² =
  28. 28.69² =
  29. 29.83² =
  30. 30.88² =
  31. 31.26² =
  32. 32.31² =
  33. 33.92² =
  34. 34.18² =
  35. 35.35² =
  36. 36.33² =
  37. 37.84² =
  38. 38.43² =
  39. 39.39² =
  40. 40.41² =

Answer key

  1. 169
  2. 1296
  3. 8281
  4. 2209
  5. 1849
  6. 2704
  7. 3844
  8. 841
  9. 289
  10. 3025
  11. 4096
  12. 7396
  13. 4096
  14. 9216
  15. 576
  16. 441
  17. 3481
  18. 1764
  19. 121
  20. 1444
  21. 196
  22. 3364
  23. 784
  24. 7396
  25. 2304
  26. 576
  27. 576
  28. 4761
  29. 6889
  30. 7744
  31. 676
  32. 961
  33. 8464
  34. 324
  35. 1225
  36. 1089
  37. 7056
  38. 1849
  39. 1521
  40. 1681

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