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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 789 · 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. 1.53² =
  2. 2.61² =
  3. 3.41² =
  4. 4.85² =
  5. 5.71² =
  6. 6.81² =
  7. 7.64² =
  8. 8.88² =
  9. 9.99² =
  10. 10.87² =
  11. 11.96² =
  12. 12.26² =
  13. 13.23² =
  14. 14.91² =
  15. 15.49² =
  16. 16.84² =
  17. 17.79² =
  18. 18.59² =
  19. 19.33² =
  20. 20.25² =
  21. 21.28² =
  22. 22.39² =
  23. 23.16² =
  24. 24.85² =
  25. 25.35² =
  26. 26.78² =
  27. 27.25² =
  28. 28.46² =
  29. 29.21² =
  30. 30.46² =
  31. 31.53² =
  32. 32.14² =
  33. 33.83² =
  34. 34.75² =
  35. 35.12² =
  36. 36.81² =
  37. 37.71² =
  38. 38.69² =
  39. 39.54² =
  40. 40.52² =

Answer key

  1. 2809
  2. 3721
  3. 1681
  4. 7225
  5. 5041
  6. 6561
  7. 4096
  8. 7744
  9. 9801
  10. 7569
  11. 9216
  12. 676
  13. 529
  14. 8281
  15. 2401
  16. 7056
  17. 6241
  18. 3481
  19. 1089
  20. 625
  21. 784
  22. 1521
  23. 256
  24. 7225
  25. 1225
  26. 6084
  27. 625
  28. 2116
  29. 441
  30. 2116
  31. 2809
  32. 196
  33. 6889
  34. 5625
  35. 144
  36. 6561
  37. 5041
  38. 4761
  39. 2916
  40. 2704

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