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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 44 · 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. 1.94² =
  2. 2.87² =
  3. 3.37² =
  4. 4.82² =
  5. 5.22² =
  6. 6.77² =
  7. 7.34² =
  8. 8.98² =
  9. 9.89² =
  10. 10.75² =
  11. 11.85² =
  12. 12.39² =
  13. 13.37² =
  14. 14.19² =
  15. 15.95² =
  16. 16.89² =
  17. 17.43² =
  18. 18.24² =
  19. 19.71² =
  20. 20.35² =
  21. 21.35² =
  22. 22.47² =
  23. 23.59² =
  24. 24.76² =
  25. 25.16² =
  26. 26.28² =
  27. 27.62² =
  28. 28.16² =
  29. 29.82² =
  30. 30.54² =
  31. 31.21² =
  32. 32.79² =
  33. 33.21² =
  34. 34.21² =
  35. 35.88² =
  36. 36.67² =
  37. 37.28² =
  38. 38.84² =
  39. 39.44² =
  40. 40.35² =

Answer key

  1. 8836
  2. 7569
  3. 1369
  4. 6724
  5. 484
  6. 5929
  7. 1156
  8. 9604
  9. 7921
  10. 5625
  11. 7225
  12. 1521
  13. 1369
  14. 361
  15. 9025
  16. 7921
  17. 1849
  18. 576
  19. 5041
  20. 1225
  21. 1225
  22. 2209
  23. 3481
  24. 5776
  25. 256
  26. 784
  27. 3844
  28. 256
  29. 6724
  30. 2916
  31. 441
  32. 6241
  33. 441
  34. 441
  35. 7744
  36. 4489
  37. 784
  38. 7056
  39. 1936
  40. 1225

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