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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 471 · 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. 1.75² =
  2. 2.41² =
  3. 3.18² =
  4. 4.36² =
  5. 5.52² =
  6. 6.77² =
  7. 7.23² =
  8. 8.71² =
  9. 9.46² =
  10. 10.65² =
  11. 11.91² =
  12. 12.36² =
  13. 13.79² =
  14. 14.14² =
  15. 15.95² =
  16. 16.95² =
  17. 17.29² =
  18. 18.63² =
  19. 19.71² =
  20. 20.35² =
  21. 21.45² =
  22. 22.52² =
  23. 23.38² =
  24. 24.45² =
  25. 25.72² =
  26. 26.96² =
  27. 27.83² =
  28. 28.45² =
  29. 29.52² =
  30. 30.36² =
  31. 31.24² =
  32. 32.92² =
  33. 33.92² =
  34. 34.36² =
  35. 35.24² =
  36. 36.81² =
  37. 37.11² =
  38. 38.33² =
  39. 39.85² =
  40. 40.67² =

Answer key

  1. 5625
  2. 1681
  3. 324
  4. 1296
  5. 2704
  6. 5929
  7. 529
  8. 5041
  9. 2116
  10. 4225
  11. 8281
  12. 1296
  13. 6241
  14. 196
  15. 9025
  16. 9025
  17. 841
  18. 3969
  19. 5041
  20. 1225
  21. 2025
  22. 2704
  23. 1444
  24. 2025
  25. 5184
  26. 9216
  27. 6889
  28. 2025
  29. 2704
  30. 1296
  31. 576
  32. 8464
  33. 8464
  34. 1296
  35. 576
  36. 6561
  37. 121
  38. 1089
  39. 7225
  40. 4489

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