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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 273 · 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. 1.96² =
  2. 2.81² =
  3. 3.85² =
  4. 4.28² =
  5. 5.23² =
  6. 6.18² =
  7. 7.63² =
  8. 8.21² =
  9. 9.97² =
  10. 10.62² =
  11. 11.36² =
  12. 12.46² =
  13. 13.25² =
  14. 14.72² =
  15. 15.51² =
  16. 16.99² =
  17. 17.74² =
  18. 18.16² =
  19. 19.48² =
  20. 20.63² =
  21. 21.82² =
  22. 22.27² =
  23. 23.99² =
  24. 24.71² =
  25. 25.64² =
  26. 26.28² =
  27. 27.18² =
  28. 28.91² =
  29. 29.14² =
  30. 30.45² =
  31. 31.84² =
  32. 32.99² =
  33. 33.74² =
  34. 34.89² =
  35. 35.35² =
  36. 36.32² =
  37. 37.81² =
  38. 38.27² =
  39. 39.31² =
  40. 40.91² =

Answer key

  1. 9216
  2. 6561
  3. 7225
  4. 784
  5. 529
  6. 324
  7. 3969
  8. 441
  9. 9409
  10. 3844
  11. 1296
  12. 2116
  13. 625
  14. 5184
  15. 2601
  16. 9801
  17. 5476
  18. 256
  19. 2304
  20. 3969
  21. 6724
  22. 729
  23. 9801
  24. 5041
  25. 4096
  26. 784
  27. 324
  28. 8281
  29. 196
  30. 2025
  31. 7056
  32. 9801
  33. 5476
  34. 7921
  35. 1225
  36. 1024
  37. 6561
  38. 729
  39. 961
  40. 8281

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