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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 187 · 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. 1.87² =
  2. 2.12² =
  3. 3.74² =
  4. 4.21² =
  5. 5.31² =
  6. 6.55² =
  7. 7.43² =
  8. 8.35² =
  9. 9.25² =
  10. 10.14² =
  11. 11.41² =
  12. 12.12² =
  13. 13.57² =
  14. 14.77² =
  15. 15.69² =
  16. 16.51² =
  17. 17.86² =
  18. 18.26² =
  19. 19.89² =
  20. 20.13² =
  21. 21.62² =
  22. 22.66² =
  23. 23.34² =
  24. 24.23² =
  25. 25.32² =
  26. 26.63² =
  27. 27.35² =
  28. 28.14² =
  29. 29.31² =
  30. 30.13² =
  31. 31.27² =
  32. 32.24² =
  33. 33.24² =
  34. 34.23² =
  35. 35.83² =
  36. 36.13² =
  37. 37.29² =
  38. 38.24² =
  39. 39.71² =
  40. 40.61² =

Answer key

  1. 7569
  2. 144
  3. 5476
  4. 441
  5. 961
  6. 3025
  7. 1849
  8. 1225
  9. 625
  10. 196
  11. 1681
  12. 144
  13. 3249
  14. 5929
  15. 4761
  16. 2601
  17. 7396
  18. 676
  19. 7921
  20. 169
  21. 3844
  22. 4356
  23. 1156
  24. 529
  25. 1024
  26. 3969
  27. 1225
  28. 196
  29. 961
  30. 169
  31. 729
  32. 576
  33. 576
  34. 529
  35. 6889
  36. 169
  37. 841
  38. 576
  39. 5041
  40. 3721

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