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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 136 · 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. 1.24² =
  2. 2.47² =
  3. 3.73² =
  4. 4.97² =
  5. 5.75² =
  6. 6.35² =
  7. 7.57² =
  8. 8.61² =
  9. 9.29² =
  10. 10.63² =
  11. 11.44² =
  12. 12.85² =
  13. 13.21² =
  14. 14.64² =
  15. 15.64² =
  16. 16.37² =
  17. 17.27² =
  18. 18.65² =
  19. 19.93² =
  20. 20.78² =
  21. 21.96² =
  22. 22.34² =
  23. 23.65² =
  24. 24.85² =
  25. 25.99² =
  26. 26.71² =
  27. 27.86² =
  28. 28.68² =
  29. 29.48² =
  30. 30.68² =
  31. 31.51² =
  32. 32.16² =
  33. 33.31² =
  34. 34.51² =
  35. 35.98² =
  36. 36.97² =
  37. 37.48² =
  38. 38.55² =
  39. 39.12² =
  40. 40.46² =

Answer key

  1. 576
  2. 2209
  3. 5329
  4. 9409
  5. 5625
  6. 1225
  7. 3249
  8. 3721
  9. 841
  10. 3969
  11. 1936
  12. 7225
  13. 441
  14. 4096
  15. 4096
  16. 1369
  17. 729
  18. 4225
  19. 8649
  20. 6084
  21. 9216
  22. 1156
  23. 4225
  24. 7225
  25. 9801
  26. 5041
  27. 7396
  28. 4624
  29. 2304
  30. 4624
  31. 2601
  32. 256
  33. 961
  34. 2601
  35. 9604
  36. 9409
  37. 2304
  38. 3025
  39. 144
  40. 2116

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