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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 229 · 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. 1.23² =
  2. 2.51² =
  3. 3.91² =
  4. 4.28² =
  5. 5.34² =
  6. 6.43² =
  7. 7.56² =
  8. 8.61² =
  9. 9.46² =
  10. 10.79² =
  11. 11.54² =
  12. 12.26² =
  13. 13.27² =
  14. 14.46² =
  15. 15.39² =
  16. 16.13² =
  17. 17.14² =
  18. 18.23² =
  19. 19.77² =
  20. 20.51² =
  21. 21.86² =
  22. 22.71² =
  23. 23.82² =
  24. 24.14² =
  25. 25.67² =
  26. 26.91² =
  27. 27.25² =
  28. 28.98² =
  29. 29.61² =
  30. 30.68² =
  31. 31.42² =
  32. 32.86² =
  33. 33.35² =
  34. 34.78² =
  35. 35.37² =
  36. 36.97² =
  37. 37.73² =
  38. 38.74² =
  39. 39.77² =
  40. 40.73² =

Answer key

  1. 529
  2. 2601
  3. 8281
  4. 784
  5. 1156
  6. 1849
  7. 3136
  8. 3721
  9. 2116
  10. 6241
  11. 2916
  12. 676
  13. 729
  14. 2116
  15. 1521
  16. 169
  17. 196
  18. 529
  19. 5929
  20. 2601
  21. 7396
  22. 5041
  23. 6724
  24. 196
  25. 4489
  26. 8281
  27. 625
  28. 9604
  29. 3721
  30. 4624
  31. 1764
  32. 7396
  33. 1225
  34. 6084
  35. 1369
  36. 9409
  37. 5329
  38. 5476
  39. 5929
  40. 5329

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