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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 367 · 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. 1.85² =
  2. 2.47² =
  3. 3.53² =
  4. 4.81² =
  5. 5.23² =
  6. 6.44² =
  7. 7.91² =
  8. 8.79² =
  9. 9.15² =
  10. 10.77² =
  11. 11.28² =
  12. 12.81² =
  13. 13.63² =
  14. 14.21² =
  15. 15.83² =
  16. 16.71² =
  17. 17.63² =
  18. 18.55² =
  19. 19.95² =
  20. 20.85² =
  21. 21.17² =
  22. 22.99² =
  23. 23.75² =
  24. 24.41² =
  25. 25.12² =
  26. 26.89² =
  27. 27.85² =
  28. 28.85² =
  29. 29.88² =
  30. 30.84² =
  31. 31.62² =
  32. 32.66² =
  33. 33.71² =
  34. 34.98² =
  35. 35.76² =
  36. 36.72² =
  37. 37.64² =
  38. 38.28² =
  39. 39.92² =
  40. 40.52² =

Answer key

  1. 7225
  2. 2209
  3. 2809
  4. 6561
  5. 529
  6. 1936
  7. 8281
  8. 6241
  9. 225
  10. 5929
  11. 784
  12. 6561
  13. 3969
  14. 441
  15. 6889
  16. 5041
  17. 3969
  18. 3025
  19. 9025
  20. 7225
  21. 289
  22. 9801
  23. 5625
  24. 1681
  25. 144
  26. 7921
  27. 7225
  28. 7225
  29. 7744
  30. 7056
  31. 3844
  32. 4356
  33. 5041
  34. 9604
  35. 5776
  36. 5184
  37. 4096
  38. 784
  39. 8464
  40. 2704

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