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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 854 · 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. 1.23² =
  2. 2.61² =
  3. 3.86² =
  4. 4.64² =
  5. 5.67² =
  6. 6.33² =
  7. 7.55² =
  8. 8.57² =
  9. 9.81² =
  10. 10.75² =
  11. 11.34² =
  12. 12.48² =
  13. 13.54² =
  14. 14.13² =
  15. 15.97² =
  16. 16.25² =
  17. 17.69² =
  18. 18.42² =
  19. 19.51² =
  20. 20.67² =
  21. 21.28² =
  22. 22.68² =
  23. 23.83² =
  24. 24.69² =
  25. 25.22² =
  26. 26.17² =
  27. 27.59² =
  28. 28.17² =
  29. 29.72² =
  30. 30.47² =
  31. 31.35² =
  32. 32.41² =
  33. 33.35² =
  34. 34.82² =
  35. 35.43² =
  36. 36.83² =
  37. 37.18² =
  38. 38.67² =
  39. 39.95² =
  40. 40.48² =

Answer key

  1. 529
  2. 3721
  3. 7396
  4. 4096
  5. 4489
  6. 1089
  7. 3025
  8. 3249
  9. 6561
  10. 5625
  11. 1156
  12. 2304
  13. 2916
  14. 169
  15. 9409
  16. 625
  17. 4761
  18. 1764
  19. 2601
  20. 4489
  21. 784
  22. 4624
  23. 6889
  24. 4761
  25. 484
  26. 289
  27. 3481
  28. 289
  29. 5184
  30. 2209
  31. 1225
  32. 1681
  33. 1225
  34. 6724
  35. 1849
  36. 6889
  37. 324
  38. 4489
  39. 9025
  40. 2304

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