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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 158 · 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. 1.46² =
  2. 2.22² =
  3. 3.72² =
  4. 4.17² =
  5. 5.34² =
  6. 6.58² =
  7. 7.41² =
  8. 8.36² =
  9. 9.97² =
  10. 10.96² =
  11. 11.35² =
  12. 12.85² =
  13. 13.94² =
  14. 14.96² =
  15. 15.86² =
  16. 16.85² =
  17. 17.96² =
  18. 18.84² =
  19. 19.52² =
  20. 20.64² =
  21. 21.91² =
  22. 22.24² =
  23. 23.65² =
  24. 24.22² =
  25. 25.79² =
  26. 26.81² =
  27. 27.24² =
  28. 28.78² =
  29. 29.51² =
  30. 30.24² =
  31. 31.28² =
  32. 32.71² =
  33. 33.88² =
  34. 34.22² =
  35. 35.78² =
  36. 36.42² =
  37. 37.74² =
  38. 38.28² =
  39. 39.22² =
  40. 40.16² =

Answer key

  1. 2116
  2. 484
  3. 5184
  4. 289
  5. 1156
  6. 3364
  7. 1681
  8. 1296
  9. 9409
  10. 9216
  11. 1225
  12. 7225
  13. 8836
  14. 9216
  15. 7396
  16. 7225
  17. 9216
  18. 7056
  19. 2704
  20. 4096
  21. 8281
  22. 576
  23. 4225
  24. 484
  25. 6241
  26. 6561
  27. 576
  28. 6084
  29. 2601
  30. 576
  31. 784
  32. 5041
  33. 7744
  34. 484
  35. 6084
  36. 1764
  37. 5476
  38. 784
  39. 484
  40. 256

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