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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 988 · 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. 1.62² =
  2. 2.51² =
  3. 3.35² =
  4. 4.54² =
  5. 5.19² =
  6. 6.58² =
  7. 7.28² =
  8. 8.44² =
  9. 9.51² =
  10. 10.41² =
  11. 11.88² =
  12. 12.13² =
  13. 13.45² =
  14. 14.72² =
  15. 15.31² =
  16. 16.16² =
  17. 17.95² =
  18. 18.44² =
  19. 19.64² =
  20. 20.59² =
  21. 21.28² =
  22. 22.61² =
  23. 23.38² =
  24. 24.21² =
  25. 25.28² =
  26. 26.36² =
  27. 27.28² =
  28. 28.68² =
  29. 29.36² =
  30. 30.16² =
  31. 31.93² =
  32. 32.66² =
  33. 33.44² =
  34. 34.18² =
  35. 35.72² =
  36. 36.44² =
  37. 37.21² =
  38. 38.12² =
  39. 39.64² =
  40. 40.53² =

Answer key

  1. 3844
  2. 2601
  3. 1225
  4. 2916
  5. 361
  6. 3364
  7. 784
  8. 1936
  9. 2601
  10. 1681
  11. 7744
  12. 169
  13. 2025
  14. 5184
  15. 961
  16. 256
  17. 9025
  18. 1936
  19. 4096
  20. 3481
  21. 784
  22. 3721
  23. 1444
  24. 441
  25. 784
  26. 1296
  27. 784
  28. 4624
  29. 1296
  30. 256
  31. 8649
  32. 4356
  33. 1936
  34. 324
  35. 5184
  36. 1936
  37. 441
  38. 144
  39. 4096
  40. 2809

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