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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 617 · 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. 1.22² =
  2. 2.38² =
  3. 3.54² =
  4. 4.98² =
  5. 5.35² =
  6. 6.72² =
  7. 7.27² =
  8. 8.48² =
  9. 9.34² =
  10. 10.46² =
  11. 11.13² =
  12. 12.74² =
  13. 13.47² =
  14. 14.41² =
  15. 15.68² =
  16. 16.11² =
  17. 17.34² =
  18. 18.97² =
  19. 19.14² =
  20. 20.95² =
  21. 21.55² =
  22. 22.86² =
  23. 23.43² =
  24. 24.97² =
  25. 25.58² =
  26. 26.53² =
  27. 27.89² =
  28. 28.39² =
  29. 29.76² =
  30. 30.39² =
  31. 31.15² =
  32. 32.73² =
  33. 33.18² =
  34. 34.96² =
  35. 35.65² =
  36. 36.67² =
  37. 37.78² =
  38. 38.14² =
  39. 39.41² =
  40. 40.71² =

Answer key

  1. 484
  2. 1444
  3. 2916
  4. 9604
  5. 1225
  6. 5184
  7. 729
  8. 2304
  9. 1156
  10. 2116
  11. 169
  12. 5476
  13. 2209
  14. 1681
  15. 4624
  16. 121
  17. 1156
  18. 9409
  19. 196
  20. 9025
  21. 3025
  22. 7396
  23. 1849
  24. 9409
  25. 3364
  26. 2809
  27. 7921
  28. 1521
  29. 5776
  30. 1521
  31. 225
  32. 5329
  33. 324
  34. 9216
  35. 4225
  36. 4489
  37. 6084
  38. 196
  39. 1681
  40. 5041

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