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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 415 · 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. 1.13² =
  2. 2.79² =
  3. 3.21² =
  4. 4.68² =
  5. 5.83² =
  6. 6.34² =
  7. 7.14² =
  8. 8.82² =
  9. 9.16² =
  10. 10.51² =
  11. 11.64² =
  12. 12.93² =
  13. 13.96² =
  14. 14.14² =
  15. 15.47² =
  16. 16.45² =
  17. 17.55² =
  18. 18.43² =
  19. 19.51² =
  20. 20.31² =
  21. 21.11² =
  22. 22.89² =
  23. 23.86² =
  24. 24.73² =
  25. 25.47² =
  26. 26.26² =
  27. 27.89² =
  28. 28.52² =
  29. 29.91² =
  30. 30.91² =
  31. 31.56² =
  32. 32.22² =
  33. 33.31² =
  34. 34.79² =
  35. 35.72² =
  36. 36.67² =
  37. 37.31² =
  38. 38.78² =
  39. 39.11² =
  40. 40.61² =

Answer key

  1. 169
  2. 6241
  3. 441
  4. 4624
  5. 6889
  6. 1156
  7. 196
  8. 6724
  9. 256
  10. 2601
  11. 4096
  12. 8649
  13. 9216
  14. 196
  15. 2209
  16. 2025
  17. 3025
  18. 1849
  19. 2601
  20. 961
  21. 121
  22. 7921
  23. 7396
  24. 5329
  25. 2209
  26. 676
  27. 7921
  28. 2704
  29. 8281
  30. 8281
  31. 3136
  32. 484
  33. 961
  34. 6241
  35. 5184
  36. 4489
  37. 961
  38. 6084
  39. 121
  40. 3721

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