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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 677 · 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. 1.54² =
  2. 2.51² =
  3. 3.79² =
  4. 4.71² =
  5. 5.41² =
  6. 6.17² =
  7. 7.61² =
  8. 8.55² =
  9. 9.18² =
  10. 10.54² =
  11. 11.84² =
  12. 12.36² =
  13. 13.84² =
  14. 14.27² =
  15. 15.71² =
  16. 16.99² =
  17. 17.46² =
  18. 18.21² =
  19. 19.18² =
  20. 20.44² =
  21. 21.43² =
  22. 22.82² =
  23. 23.62² =
  24. 24.24² =
  25. 25.21² =
  26. 26.17² =
  27. 27.64² =
  28. 28.47² =
  29. 29.28² =
  30. 30.17² =
  31. 31.26² =
  32. 32.34² =
  33. 33.78² =
  34. 34.89² =
  35. 35.13² =
  36. 36.61² =
  37. 37.81² =
  38. 38.86² =
  39. 39.46² =
  40. 40.41² =

Answer key

  1. 2916
  2. 2601
  3. 6241
  4. 5041
  5. 1681
  6. 289
  7. 3721
  8. 3025
  9. 324
  10. 2916
  11. 7056
  12. 1296
  13. 7056
  14. 729
  15. 5041
  16. 9801
  17. 2116
  18. 441
  19. 324
  20. 1936
  21. 1849
  22. 6724
  23. 3844
  24. 576
  25. 441
  26. 289
  27. 4096
  28. 2209
  29. 784
  30. 289
  31. 676
  32. 1156
  33. 6084
  34. 7921
  35. 169
  36. 3721
  37. 6561
  38. 7396
  39. 2116
  40. 1681

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