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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 512 · 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. 2.71² =
  3. 3.98² =
  4. 4.62² =
  5. 5.61² =
  6. 6.67² =
  7. 7.92² =
  8. 8.33² =
  9. 9.42² =
  10. 10.65² =
  11. 11.52² =
  12. 12.64² =
  13. 13.43² =
  14. 14.71² =
  15. 15.75² =
  16. 16.34² =
  17. 17.49² =
  18. 18.74² =
  19. 19.48² =
  20. 20.91² =
  21. 21.58² =
  22. 22.18² =
  23. 23.78² =
  24. 24.89² =
  25. 25.45² =
  26. 26.39² =
  27. 27.87² =
  28. 28.63² =
  29. 29.74² =
  30. 30.77² =
  31. 31.69² =
  32. 32.37² =
  33. 33.17² =
  34. 34.16² =
  35. 35.37² =
  36. 36.22² =
  37. 37.16² =
  38. 38.21² =
  39. 39.79² =
  40. 40.38² =

Answer key

  1. 3481
  2. 5041
  3. 9604
  4. 3844
  5. 3721
  6. 4489
  7. 8464
  8. 1089
  9. 1764
  10. 4225
  11. 2704
  12. 4096
  13. 1849
  14. 5041
  15. 5625
  16. 1156
  17. 2401
  18. 5476
  19. 2304
  20. 8281
  21. 3364
  22. 324
  23. 6084
  24. 7921
  25. 2025
  26. 1521
  27. 7569
  28. 3969
  29. 5476
  30. 5929
  31. 4761
  32. 1369
  33. 289
  34. 256
  35. 1369
  36. 484
  37. 256
  38. 441
  39. 6241
  40. 1444

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