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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 257 · 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. 1.26² =
  2. 2.78² =
  3. 3.63² =
  4. 4.41² =
  5. 5.27² =
  6. 6.79² =
  7. 7.37² =
  8. 8.37² =
  9. 9.44² =
  10. 10.46² =
  11. 11.86² =
  12. 12.52² =
  13. 13.48² =
  14. 14.79² =
  15. 15.27² =
  16. 16.46² =
  17. 17.71² =
  18. 18.84² =
  19. 19.67² =
  20. 20.84² =
  21. 21.95² =
  22. 22.85² =
  23. 23.77² =
  24. 24.15² =
  25. 25.71² =
  26. 26.53² =
  27. 27.74² =
  28. 28.44² =
  29. 29.94² =
  30. 30.73² =
  31. 31.69² =
  32. 32.96² =
  33. 33.41² =
  34. 34.16² =
  35. 35.46² =
  36. 36.48² =
  37. 37.86² =
  38. 38.61² =
  39. 39.76² =
  40. 40.48² =

Answer key

  1. 676
  2. 6084
  3. 3969
  4. 1681
  5. 729
  6. 6241
  7. 1369
  8. 1369
  9. 1936
  10. 2116
  11. 7396
  12. 2704
  13. 2304
  14. 6241
  15. 729
  16. 2116
  17. 5041
  18. 7056
  19. 4489
  20. 7056
  21. 9025
  22. 7225
  23. 5929
  24. 225
  25. 5041
  26. 2809
  27. 5476
  28. 1936
  29. 8836
  30. 5329
  31. 4761
  32. 9216
  33. 1681
  34. 256
  35. 2116
  36. 2304
  37. 7396
  38. 3721
  39. 5776
  40. 2304

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