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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 113 · 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. 1.34² =
  2. 2.94² =
  3. 3.56² =
  4. 4.45² =
  5. 5.91² =
  6. 6.91² =
  7. 7.49² =
  8. 8.34² =
  9. 9.45² =
  10. 10.23² =
  11. 11.81² =
  12. 12.76² =
  13. 13.93² =
  14. 14.78² =
  15. 15.84² =
  16. 16.84² =
  17. 17.39² =
  18. 18.29² =
  19. 19.52² =
  20. 20.22² =
  21. 21.18² =
  22. 22.22² =
  23. 23.49² =
  24. 24.51² =
  25. 25.81² =
  26. 26.92² =
  27. 27.66² =
  28. 28.16² =
  29. 29.24² =
  30. 30.28² =
  31. 31.94² =
  32. 32.32² =
  33. 33.58² =
  34. 34.27² =
  35. 35.63² =
  36. 36.14² =
  37. 37.12² =
  38. 38.67² =
  39. 39.36² =
  40. 40.35² =

Answer key

  1. 1156
  2. 8836
  3. 3136
  4. 2025
  5. 8281
  6. 8281
  7. 2401
  8. 1156
  9. 2025
  10. 529
  11. 6561
  12. 5776
  13. 8649
  14. 6084
  15. 7056
  16. 7056
  17. 1521
  18. 841
  19. 2704
  20. 484
  21. 324
  22. 484
  23. 2401
  24. 2601
  25. 6561
  26. 8464
  27. 4356
  28. 256
  29. 576
  30. 784
  31. 8836
  32. 1024
  33. 3364
  34. 729
  35. 3969
  36. 196
  37. 144
  38. 4489
  39. 1296
  40. 1225

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