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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 581 · 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. 1.79² =
  2. 2.85² =
  3. 3.86² =
  4. 4.46² =
  5. 5.32² =
  6. 6.68² =
  7. 7.37² =
  8. 8.19² =
  9. 9.75² =
  10. 10.29² =
  11. 11.89² =
  12. 12.43² =
  13. 13.77² =
  14. 14.27² =
  15. 15.24² =
  16. 16.59² =
  17. 17.42² =
  18. 18.64² =
  19. 19.69² =
  20. 20.29² =
  21. 21.47² =
  22. 22.37² =
  23. 23.45² =
  24. 24.77² =
  25. 25.84² =
  26. 26.33² =
  27. 27.44² =
  28. 28.37² =
  29. 29.52² =
  30. 30.41² =
  31. 31.17² =
  32. 32.14² =
  33. 33.77² =
  34. 34.33² =
  35. 35.19² =
  36. 36.82² =
  37. 37.63² =
  38. 38.21² =
  39. 39.53² =
  40. 40.66² =

Answer key

  1. 6241
  2. 7225
  3. 7396
  4. 2116
  5. 1024
  6. 4624
  7. 1369
  8. 361
  9. 5625
  10. 841
  11. 7921
  12. 1849
  13. 5929
  14. 729
  15. 576
  16. 3481
  17. 1764
  18. 4096
  19. 4761
  20. 841
  21. 2209
  22. 1369
  23. 2025
  24. 5929
  25. 7056
  26. 1089
  27. 1936
  28. 1369
  29. 2704
  30. 1681
  31. 289
  32. 196
  33. 5929
  34. 1089
  35. 361
  36. 6724
  37. 3969
  38. 441
  39. 2809
  40. 4356

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