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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 594 · 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. 1.16² =
  2. 2.37² =
  3. 3.21² =
  4. 4.27² =
  5. 5.39² =
  6. 6.27² =
  7. 7.58² =
  8. 8.82² =
  9. 9.59² =
  10. 10.67² =
  11. 11.35² =
  12. 12.21² =
  13. 13.13² =
  14. 14.33² =
  15. 15.23² =
  16. 16.49² =
  17. 17.57² =
  18. 18.95² =
  19. 19.27² =
  20. 20.16² =
  21. 21.69² =
  22. 22.33² =
  23. 23.36² =
  24. 24.96² =
  25. 25.11² =
  26. 26.33² =
  27. 27.51² =
  28. 28.54² =
  29. 29.89² =
  30. 30.95² =
  31. 31.33² =
  32. 32.13² =
  33. 33.12² =
  34. 34.47² =
  35. 35.27² =
  36. 36.26² =
  37. 37.52² =
  38. 38.35² =
  39. 39.54² =
  40. 40.99² =

Answer key

  1. 256
  2. 1369
  3. 441
  4. 729
  5. 1521
  6. 729
  7. 3364
  8. 6724
  9. 3481
  10. 4489
  11. 1225
  12. 441
  13. 169
  14. 1089
  15. 529
  16. 2401
  17. 3249
  18. 9025
  19. 729
  20. 256
  21. 4761
  22. 1089
  23. 1296
  24. 9216
  25. 121
  26. 1089
  27. 2601
  28. 2916
  29. 7921
  30. 9025
  31. 1089
  32. 169
  33. 144
  34. 2209
  35. 729
  36. 676
  37. 2704
  38. 1225
  39. 2916
  40. 9801

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