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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 311 · 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. 1.51² =
  2. 2.91² =
  3. 3.63² =
  4. 4.44² =
  5. 5.28² =
  6. 6.14² =
  7. 7.27² =
  8. 8.41² =
  9. 9.66² =
  10. 10.71² =
  11. 11.44² =
  12. 12.16² =
  13. 13.26² =
  14. 14.27² =
  15. 15.81² =
  16. 16.61² =
  17. 17.17² =
  18. 18.47² =
  19. 19.23² =
  20. 20.43² =
  21. 21.38² =
  22. 22.14² =
  23. 23.47² =
  24. 24.26² =
  25. 25.14² =
  26. 26.29² =
  27. 27.34² =
  28. 28.17² =
  29. 29.21² =
  30. 30.79² =
  31. 31.14² =
  32. 32.59² =
  33. 33.86² =
  34. 34.95² =
  35. 35.91² =
  36. 36.28² =
  37. 37.17² =
  38. 38.94² =
  39. 39.61² =
  40. 40.17² =

Answer key

  1. 2601
  2. 8281
  3. 3969
  4. 1936
  5. 784
  6. 196
  7. 729
  8. 1681
  9. 4356
  10. 5041
  11. 1936
  12. 256
  13. 676
  14. 729
  15. 6561
  16. 3721
  17. 289
  18. 2209
  19. 529
  20. 1849
  21. 1444
  22. 196
  23. 2209
  24. 676
  25. 196
  26. 841
  27. 1156
  28. 289
  29. 441
  30. 6241
  31. 196
  32. 3481
  33. 7396
  34. 9025
  35. 8281
  36. 784
  37. 289
  38. 8836
  39. 3721
  40. 289

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