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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 328 · 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. 1.66² =
  2. 2.36² =
  3. 3.82² =
  4. 4.25² =
  5. 5.64² =
  6. 6.85² =
  7. 7.46² =
  8. 8.47² =
  9. 9.11² =
  10. 10.73² =
  11. 11.66² =
  12. 12.71² =
  13. 13.31² =
  14. 14.65² =
  15. 15.56² =
  16. 16.24² =
  17. 17.95² =
  18. 18.24² =
  19. 19.25² =
  20. 20.78² =
  21. 21.77² =
  22. 22.77² =
  23. 23.45² =
  24. 24.94² =
  25. 25.88² =
  26. 26.72² =
  27. 27.33² =
  28. 28.28² =
  29. 29.63² =
  30. 30.14² =
  31. 31.39² =
  32. 32.13² =
  33. 33.79² =
  34. 34.63² =
  35. 35.88² =
  36. 36.51² =
  37. 37.83² =
  38. 38.84² =
  39. 39.88² =
  40. 40.95² =

Answer key

  1. 4356
  2. 1296
  3. 6724
  4. 625
  5. 4096
  6. 7225
  7. 2116
  8. 2209
  9. 121
  10. 5329
  11. 4356
  12. 5041
  13. 961
  14. 4225
  15. 3136
  16. 576
  17. 9025
  18. 576
  19. 625
  20. 6084
  21. 5929
  22. 5929
  23. 2025
  24. 8836
  25. 7744
  26. 5184
  27. 1089
  28. 784
  29. 3969
  30. 196
  31. 1521
  32. 169
  33. 6241
  34. 3969
  35. 7744
  36. 2601
  37. 6889
  38. 7056
  39. 7744
  40. 9025

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