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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 281 · 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. 1.98² =
  2. 2.31² =
  3. 3.83² =
  4. 4.41² =
  5. 5.88² =
  6. 6.58² =
  7. 7.44² =
  8. 8.51² =
  9. 9.15² =
  10. 10.61² =
  11. 11.12² =
  12. 12.71² =
  13. 13.21² =
  14. 14.16² =
  15. 15.73² =
  16. 16.47² =
  17. 17.78² =
  18. 18.72² =
  19. 19.82² =
  20. 20.36² =
  21. 21.36² =
  22. 22.53² =
  23. 23.44² =
  24. 24.31² =
  25. 25.37² =
  26. 26.78² =
  27. 27.87² =
  28. 28.22² =
  29. 29.48² =
  30. 30.21² =
  31. 31.49² =
  32. 32.54² =
  33. 33.59² =
  34. 34.95² =
  35. 35.79² =
  36. 36.86² =
  37. 37.28² =
  38. 38.69² =
  39. 39.88² =
  40. 40.12² =

Answer key

  1. 9604
  2. 961
  3. 6889
  4. 1681
  5. 7744
  6. 3364
  7. 1936
  8. 2601
  9. 225
  10. 3721
  11. 144
  12. 5041
  13. 441
  14. 256
  15. 5329
  16. 2209
  17. 6084
  18. 5184
  19. 6724
  20. 1296
  21. 1296
  22. 2809
  23. 1936
  24. 961
  25. 1369
  26. 6084
  27. 7569
  28. 484
  29. 2304
  30. 441
  31. 2401
  32. 2916
  33. 3481
  34. 9025
  35. 6241
  36. 7396
  37. 784
  38. 4761
  39. 7744
  40. 144

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