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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 768 · 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. 1.79² =
  2. 2.15² =
  3. 3.61² =
  4. 4.25² =
  5. 5.72² =
  6. 6.61² =
  7. 7.52² =
  8. 8.66² =
  9. 9.49² =
  10. 10.65² =
  11. 11.82² =
  12. 12.79² =
  13. 13.73² =
  14. 14.61² =
  15. 15.59² =
  16. 16.75² =
  17. 17.51² =
  18. 18.39² =
  19. 19.43² =
  20. 20.27² =
  21. 21.55² =
  22. 22.63² =
  23. 23.49² =
  24. 24.72² =
  25. 25.79² =
  26. 26.63² =
  27. 27.89² =
  28. 28.35² =
  29. 29.15² =
  30. 30.61² =
  31. 31.27² =
  32. 32.69² =
  33. 33.64² =
  34. 34.17² =
  35. 35.35² =
  36. 36.91² =
  37. 37.21² =
  38. 38.65² =
  39. 39.96² =
  40. 40.74² =

Answer key

  1. 6241
  2. 225
  3. 3721
  4. 625
  5. 5184
  6. 3721
  7. 2704
  8. 4356
  9. 2401
  10. 4225
  11. 6724
  12. 6241
  13. 5329
  14. 3721
  15. 3481
  16. 5625
  17. 2601
  18. 1521
  19. 1849
  20. 729
  21. 3025
  22. 3969
  23. 2401
  24. 5184
  25. 6241
  26. 3969
  27. 7921
  28. 1225
  29. 225
  30. 3721
  31. 729
  32. 4761
  33. 4096
  34. 289
  35. 1225
  36. 8281
  37. 441
  38. 4225
  39. 9216
  40. 5476

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