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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 208 · 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. 1.34² =
  2. 2.68² =
  3. 3.71² =
  4. 4.97² =
  5. 5.15² =
  6. 6.16² =
  7. 7.12² =
  8. 8.87² =
  9. 9.66² =
  10. 10.96² =
  11. 11.66² =
  12. 12.53² =
  13. 13.39² =
  14. 14.43² =
  15. 15.91² =
  16. 16.27² =
  17. 17.18² =
  18. 18.64² =
  19. 19.16² =
  20. 20.59² =
  21. 21.67² =
  22. 22.11² =
  23. 23.18² =
  24. 24.51² =
  25. 25.76² =
  26. 26.53² =
  27. 27.13² =
  28. 28.28² =
  29. 29.34² =
  30. 30.74² =
  31. 31.17² =
  32. 32.45² =
  33. 33.16² =
  34. 34.33² =
  35. 35.78² =
  36. 36.89² =
  37. 37.53² =
  38. 38.54² =
  39. 39.71² =
  40. 40.81² =

Answer key

  1. 1156
  2. 4624
  3. 5041
  4. 9409
  5. 225
  6. 256
  7. 144
  8. 7569
  9. 4356
  10. 9216
  11. 4356
  12. 2809
  13. 1521
  14. 1849
  15. 8281
  16. 729
  17. 324
  18. 4096
  19. 256
  20. 3481
  21. 4489
  22. 121
  23. 324
  24. 2601
  25. 5776
  26. 2809
  27. 169
  28. 784
  29. 1156
  30. 5476
  31. 289
  32. 2025
  33. 256
  34. 1089
  35. 6084
  36. 7921
  37. 2809
  38. 2916
  39. 5041
  40. 6561

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