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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 491 · 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. 1.57² =
  2. 2.96² =
  3. 3.81² =
  4. 4.11² =
  5. 5.43² =
  6. 6.74² =
  7. 7.39² =
  8. 8.97² =
  9. 9.71² =
  10. 10.83² =
  11. 11.51² =
  12. 12.51² =
  13. 13.97² =
  14. 14.44² =
  15. 15.97² =
  16. 16.17² =
  17. 17.36² =
  18. 18.35² =
  19. 19.26² =
  20. 20.11² =
  21. 21.13² =
  22. 22.63² =
  23. 23.33² =
  24. 24.66² =
  25. 25.47² =
  26. 26.12² =
  27. 27.91² =
  28. 28.21² =
  29. 29.66² =
  30. 30.34² =
  31. 31.84² =
  32. 32.95² =
  33. 33.66² =
  34. 34.41² =
  35. 35.31² =
  36. 36.67² =
  37. 37.25² =
  38. 38.71² =
  39. 39.37² =
  40. 40.74² =

Answer key

  1. 3249
  2. 9216
  3. 6561
  4. 121
  5. 1849
  6. 5476
  7. 1521
  8. 9409
  9. 5041
  10. 6889
  11. 2601
  12. 2601
  13. 9409
  14. 1936
  15. 9409
  16. 289
  17. 1296
  18. 1225
  19. 676
  20. 121
  21. 169
  22. 3969
  23. 1089
  24. 4356
  25. 2209
  26. 144
  27. 8281
  28. 441
  29. 4356
  30. 1156
  31. 7056
  32. 9025
  33. 4356
  34. 1681
  35. 961
  36. 4489
  37. 625
  38. 5041
  39. 1369
  40. 5476

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