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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 2 · 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. 1.73² =
  2. 2.67² =
  3. 3.71² =
  4. 4.16² =
  5. 5.38² =
  6. 6.23² =
  7. 7.98² =
  8. 8.37² =
  9. 9.24² =
  10. 10.65² =
  11. 11.23² =
  12. 12.16² =
  13. 13.23² =
  14. 14.75² =
  15. 15.99² =
  16. 16.76² =
  17. 17.84² =
  18. 18.36² =
  19. 19.95² =
  20. 20.55² =
  21. 21.48² =
  22. 22.92² =
  23. 23.47² =
  24. 24.94² =
  25. 25.22² =
  26. 26.59² =
  27. 27.17² =
  28. 28.25² =
  29. 29.97² =
  30. 30.26² =
  31. 31.99² =
  32. 32.71² =
  33. 33.37² =
  34. 34.53² =
  35. 35.22² =
  36. 36.16² =
  37. 37.54² =
  38. 38.62² =
  39. 39.78² =
  40. 40.91² =

Answer key

  1. 5329
  2. 4489
  3. 5041
  4. 256
  5. 1444
  6. 529
  7. 9604
  8. 1369
  9. 576
  10. 4225
  11. 529
  12. 256
  13. 529
  14. 5625
  15. 9801
  16. 5776
  17. 7056
  18. 1296
  19. 9025
  20. 3025
  21. 2304
  22. 8464
  23. 2209
  24. 8836
  25. 484
  26. 3481
  27. 289
  28. 625
  29. 9409
  30. 676
  31. 9801
  32. 5041
  33. 1369
  34. 2809
  35. 484
  36. 256
  37. 2916
  38. 3844
  39. 6084
  40. 8281

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