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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 216 · 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. 1.23² =
  2. 2.38² =
  3. 3.36² =
  4. 4.94² =
  5. 5.12² =
  6. 6.61² =
  7. 7.98² =
  8. 8.64² =
  9. 9.61² =
  10. 10.16² =
  11. 11.22² =
  12. 12.81² =
  13. 13.12² =
  14. 14.78² =
  15. 15.21² =
  16. 16.34² =
  17. 17.66² =
  18. 18.59² =
  19. 19.85² =
  20. 20.81² =
  21. 21.15² =
  22. 22.82² =
  23. 23.35² =
  24. 24.56² =
  25. 25.22² =
  26. 26.37² =
  27. 27.52² =
  28. 28.82² =
  29. 29.15² =
  30. 30.26² =
  31. 31.49² =
  32. 32.66² =
  33. 33.24² =
  34. 34.93² =
  35. 35.44² =
  36. 36.27² =
  37. 37.92² =
  38. 38.35² =
  39. 39.67² =
  40. 40.92² =

Answer key

  1. 529
  2. 1444
  3. 1296
  4. 8836
  5. 144
  6. 3721
  7. 9604
  8. 4096
  9. 3721
  10. 256
  11. 484
  12. 6561
  13. 144
  14. 6084
  15. 441
  16. 1156
  17. 4356
  18. 3481
  19. 7225
  20. 6561
  21. 225
  22. 6724
  23. 1225
  24. 3136
  25. 484
  26. 1369
  27. 2704
  28. 6724
  29. 225
  30. 676
  31. 2401
  32. 4356
  33. 576
  34. 8649
  35. 1936
  36. 729
  37. 8464
  38. 1225
  39. 4489
  40. 8464

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