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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 174 · 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. 1.43² =
  2. 2.11² =
  3. 3.34² =
  4. 4.59² =
  5. 5.19² =
  6. 6.62² =
  7. 7.81² =
  8. 8.76² =
  9. 9.72² =
  10. 10.36² =
  11. 11.65² =
  12. 12.82² =
  13. 13.36² =
  14. 14.99² =
  15. 15.87² =
  16. 16.89² =
  17. 17.61² =
  18. 18.88² =
  19. 19.97² =
  20. 20.34² =
  21. 21.69² =
  22. 22.17² =
  23. 23.51² =
  24. 24.58² =
  25. 25.21² =
  26. 26.16² =
  27. 27.34² =
  28. 28.38² =
  29. 29.31² =
  30. 30.11² =
  31. 31.35² =
  32. 32.78² =
  33. 33.37² =
  34. 34.98² =
  35. 35.82² =
  36. 36.52² =
  37. 37.89² =
  38. 38.31² =
  39. 39.19² =
  40. 40.35² =

Answer key

  1. 1849
  2. 121
  3. 1156
  4. 3481
  5. 361
  6. 3844
  7. 6561
  8. 5776
  9. 5184
  10. 1296
  11. 4225
  12. 6724
  13. 1296
  14. 9801
  15. 7569
  16. 7921
  17. 3721
  18. 7744
  19. 9409
  20. 1156
  21. 4761
  22. 289
  23. 2601
  24. 3364
  25. 441
  26. 256
  27. 1156
  28. 1444
  29. 961
  30. 121
  31. 1225
  32. 6084
  33. 1369
  34. 9604
  35. 6724
  36. 2704
  37. 7921
  38. 961
  39. 361
  40. 1225

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