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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 713 · 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. 1.18² =
  2. 2.11² =
  3. 3.15² =
  4. 4.99² =
  5. 5.22² =
  6. 6.81² =
  7. 7.73² =
  8. 8.78² =
  9. 9.29² =
  10. 10.14² =
  11. 11.93² =
  12. 12.21² =
  13. 13.24² =
  14. 14.27² =
  15. 15.16² =
  16. 16.16² =
  17. 17.62² =
  18. 18.72² =
  19. 19.93² =
  20. 20.53² =
  21. 21.52² =
  22. 22.52² =
  23. 23.71² =
  24. 24.61² =
  25. 25.49² =
  26. 26.63² =
  27. 27.34² =
  28. 28.35² =
  29. 29.67² =
  30. 30.76² =
  31. 31.38² =
  32. 32.59² =
  33. 33.74² =
  34. 34.91² =
  35. 35.63² =
  36. 36.93² =
  37. 37.88² =
  38. 38.48² =
  39. 39.22² =
  40. 40.61² =

Answer key

  1. 324
  2. 121
  3. 225
  4. 9801
  5. 484
  6. 6561
  7. 5329
  8. 6084
  9. 841
  10. 196
  11. 8649
  12. 441
  13. 576
  14. 729
  15. 256
  16. 256
  17. 3844
  18. 5184
  19. 8649
  20. 2809
  21. 2704
  22. 2704
  23. 5041
  24. 3721
  25. 2401
  26. 3969
  27. 1156
  28. 1225
  29. 4489
  30. 5776
  31. 1444
  32. 3481
  33. 5476
  34. 8281
  35. 3969
  36. 8649
  37. 7744
  38. 2304
  39. 484
  40. 3721

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