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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 70 · 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. 1.78² =
  2. 2.79² =
  3. 3.68² =
  4. 4.22² =
  5. 5.75² =
  6. 6.79² =
  7. 7.74² =
  8. 8.57² =
  9. 9.31² =
  10. 10.38² =
  11. 11.24² =
  12. 12.98² =
  13. 13.67² =
  14. 14.81² =
  15. 15.58² =
  16. 16.78² =
  17. 17.93² =
  18. 18.17² =
  19. 19.25² =
  20. 20.81² =
  21. 21.12² =
  22. 22.25² =
  23. 23.31² =
  24. 24.66² =
  25. 25.96² =
  26. 26.47² =
  27. 27.57² =
  28. 28.81² =
  29. 29.87² =
  30. 30.48² =
  31. 31.48² =
  32. 32.21² =
  33. 33.85² =
  34. 34.22² =
  35. 35.82² =
  36. 36.44² =
  37. 37.55² =
  38. 38.15² =
  39. 39.92² =
  40. 40.51² =

Answer key

  1. 6084
  2. 6241
  3. 4624
  4. 484
  5. 5625
  6. 6241
  7. 5476
  8. 3249
  9. 961
  10. 1444
  11. 576
  12. 9604
  13. 4489
  14. 6561
  15. 3364
  16. 6084
  17. 8649
  18. 289
  19. 625
  20. 6561
  21. 144
  22. 625
  23. 961
  24. 4356
  25. 9216
  26. 2209
  27. 3249
  28. 6561
  29. 7569
  30. 2304
  31. 2304
  32. 441
  33. 7225
  34. 484
  35. 6724
  36. 1936
  37. 3025
  38. 225
  39. 8464
  40. 2601

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