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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 592 · 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. 1.15² =
  2. 2.16² =
  3. 3.97² =
  4. 4.93² =
  5. 5.14² =
  6. 6.74² =
  7. 7.88² =
  8. 8.38² =
  9. 9.22² =
  10. 10.96² =
  11. 11.81² =
  12. 12.86² =
  13. 13.14² =
  14. 14.62² =
  15. 15.43² =
  16. 16.14² =
  17. 17.69² =
  18. 18.71² =
  19. 19.78² =
  20. 20.15² =
  21. 21.65² =
  22. 22.29² =
  23. 23.36² =
  24. 24.55² =
  25. 25.75² =
  26. 26.79² =
  27. 27.75² =
  28. 28.41² =
  29. 29.95² =
  30. 30.97² =
  31. 31.27² =
  32. 32.95² =
  33. 33.51² =
  34. 34.48² =
  35. 35.66² =
  36. 36.85² =
  37. 37.56² =
  38. 38.36² =
  39. 39.44² =
  40. 40.88² =

Answer key

  1. 225
  2. 256
  3. 9409
  4. 8649
  5. 196
  6. 5476
  7. 7744
  8. 1444
  9. 484
  10. 9216
  11. 6561
  12. 7396
  13. 196
  14. 3844
  15. 1849
  16. 196
  17. 4761
  18. 5041
  19. 6084
  20. 225
  21. 4225
  22. 841
  23. 1296
  24. 3025
  25. 5625
  26. 6241
  27. 5625
  28. 1681
  29. 9025
  30. 9409
  31. 729
  32. 9025
  33. 2601
  34. 2304
  35. 4356
  36. 7225
  37. 3136
  38. 1296
  39. 1936
  40. 7744

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