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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 213 · 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. 2.57² =
  3. 3.71² =
  4. 4.67² =
  5. 5.78² =
  6. 6.23² =
  7. 7.36² =
  8. 8.37² =
  9. 9.56² =
  10. 10.96² =
  11. 11.91² =
  12. 12.31² =
  13. 13.84² =
  14. 14.96² =
  15. 15.49² =
  16. 16.31² =
  17. 17.32² =
  18. 18.43² =
  19. 19.55² =
  20. 20.45² =
  21. 21.78² =
  22. 22.29² =
  23. 23.13² =
  24. 24.97² =
  25. 25.48² =
  26. 26.27² =
  27. 27.31² =
  28. 28.78² =
  29. 29.44² =
  30. 30.97² =
  31. 31.97² =
  32. 32.42² =
  33. 33.91² =
  34. 34.25² =
  35. 35.17² =
  36. 36.28² =
  37. 37.61² =
  38. 38.21² =
  39. 39.71² =
  40. 40.71² =

Answer key

  1. 324
  2. 3249
  3. 5041
  4. 4489
  5. 6084
  6. 529
  7. 1296
  8. 1369
  9. 3136
  10. 9216
  11. 8281
  12. 961
  13. 7056
  14. 9216
  15. 2401
  16. 961
  17. 1024
  18. 1849
  19. 3025
  20. 2025
  21. 6084
  22. 841
  23. 169
  24. 9409
  25. 2304
  26. 729
  27. 961
  28. 6084
  29. 1936
  30. 9409
  31. 9409
  32. 1764
  33. 8281
  34. 625
  35. 289
  36. 784
  37. 3721
  38. 441
  39. 5041
  40. 5041

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