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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 30 · 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. 1.59² =
  2. 2.96² =
  3. 3.63² =
  4. 4.74² =
  5. 5.28² =
  6. 6.94² =
  7. 7.78² =
  8. 8.28² =
  9. 9.31² =
  10. 10.31² =
  11. 11.51² =
  12. 12.63² =
  13. 13.29² =
  14. 14.27² =
  15. 15.52² =
  16. 16.71² =
  17. 17.59² =
  18. 18.47² =
  19. 19.23² =
  20. 20.27² =
  21. 21.27² =
  22. 22.77² =
  23. 23.56² =
  24. 24.38² =
  25. 25.25² =
  26. 26.33² =
  27. 27.72² =
  28. 28.12² =
  29. 29.66² =
  30. 30.62² =
  31. 31.62² =
  32. 32.64² =
  33. 33.17² =
  34. 34.18² =
  35. 35.48² =
  36. 36.51² =
  37. 37.71² =
  38. 38.51² =
  39. 39.65² =
  40. 40.79² =

Answer key

  1. 3481
  2. 9216
  3. 3969
  4. 5476
  5. 784
  6. 8836
  7. 6084
  8. 784
  9. 961
  10. 961
  11. 2601
  12. 3969
  13. 841
  14. 729
  15. 2704
  16. 5041
  17. 3481
  18. 2209
  19. 529
  20. 729
  21. 729
  22. 5929
  23. 3136
  24. 1444
  25. 625
  26. 1089
  27. 5184
  28. 144
  29. 4356
  30. 3844
  31. 3844
  32. 4096
  33. 289
  34. 324
  35. 2304
  36. 2601
  37. 5041
  38. 2601
  39. 4225
  40. 6241

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