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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 69 · 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. 1.66² =
  2. 2.67² =
  3. 3.61² =
  4. 4.31² =
  5. 5.74² =
  6. 6.23² =
  7. 7.94² =
  8. 8.53² =
  9. 9.14² =
  10. 10.87² =
  11. 11.34² =
  12. 12.74² =
  13. 13.12² =
  14. 14.74² =
  15. 15.96² =
  16. 16.93² =
  17. 17.19² =
  18. 18.68² =
  19. 19.43² =
  20. 20.74² =
  21. 21.38² =
  22. 22.94² =
  23. 23.81² =
  24. 24.55² =
  25. 25.91² =
  26. 26.15² =
  27. 27.25² =
  28. 28.84² =
  29. 29.11² =
  30. 30.18² =
  31. 31.27² =
  32. 32.28² =
  33. 33.64² =
  34. 34.94² =
  35. 35.48² =
  36. 36.58² =
  37. 37.13² =
  38. 38.84² =
  39. 39.79² =
  40. 40.77² =

Answer key

  1. 4356
  2. 4489
  3. 3721
  4. 961
  5. 5476
  6. 529
  7. 8836
  8. 2809
  9. 196
  10. 7569
  11. 1156
  12. 5476
  13. 144
  14. 5476
  15. 9216
  16. 8649
  17. 361
  18. 4624
  19. 1849
  20. 5476
  21. 1444
  22. 8836
  23. 6561
  24. 3025
  25. 8281
  26. 225
  27. 625
  28. 7056
  29. 121
  30. 324
  31. 729
  32. 784
  33. 4096
  34. 8836
  35. 2304
  36. 3364
  37. 169
  38. 7056
  39. 6241
  40. 5929

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