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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 209 · 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. 1.17² =
  2. 2.83² =
  3. 3.26² =
  4. 4.28² =
  5. 5.84² =
  6. 6.61² =
  7. 7.89² =
  8. 8.13² =
  9. 9.95² =
  10. 10.59² =
  11. 11.28² =
  12. 12.11² =
  13. 13.27² =
  14. 14.97² =
  15. 15.45² =
  16. 16.88² =
  17. 17.16² =
  18. 18.93² =
  19. 19.51² =
  20. 20.93² =
  21. 21.55² =
  22. 22.28² =
  23. 23.93² =
  24. 24.54² =
  25. 25.14² =
  26. 26.52² =
  27. 27.91² =
  28. 28.59² =
  29. 29.17² =
  30. 30.79² =
  31. 31.51² =
  32. 32.93² =
  33. 33.51² =
  34. 34.85² =
  35. 35.52² =
  36. 36.42² =
  37. 37.33² =
  38. 38.79² =
  39. 39.64² =
  40. 40.34² =

Answer key

  1. 289
  2. 6889
  3. 676
  4. 784
  5. 7056
  6. 3721
  7. 7921
  8. 169
  9. 9025
  10. 3481
  11. 784
  12. 121
  13. 729
  14. 9409
  15. 2025
  16. 7744
  17. 256
  18. 8649
  19. 2601
  20. 8649
  21. 3025
  22. 784
  23. 8649
  24. 2916
  25. 196
  26. 2704
  27. 8281
  28. 3481
  29. 289
  30. 6241
  31. 2601
  32. 8649
  33. 2601
  34. 7225
  35. 2704
  36. 1764
  37. 1089
  38. 6241
  39. 4096
  40. 1156

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