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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 645 · 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. 2.18² =
  3. 3.82² =
  4. 4.43² =
  5. 5.51² =
  6. 6.61² =
  7. 7.94² =
  8. 8.91² =
  9. 9.26² =
  10. 10.36² =
  11. 11.12² =
  12. 12.31² =
  13. 13.52² =
  14. 14.72² =
  15. 15.69² =
  16. 16.28² =
  17. 17.87² =
  18. 18.95² =
  19. 19.17² =
  20. 20.71² =
  21. 21.17² =
  22. 22.78² =
  23. 23.42² =
  24. 24.28² =
  25. 25.48² =
  26. 26.66² =
  27. 27.53² =
  28. 28.51² =
  29. 29.31² =
  30. 30.44² =
  31. 31.31² =
  32. 32.11² =
  33. 33.71² =
  34. 34.43² =
  35. 35.69² =
  36. 36.82² =
  37. 37.48² =
  38. 38.23² =
  39. 39.35² =
  40. 40.13² =

Answer key

  1. 2601
  2. 324
  3. 6724
  4. 1849
  5. 2601
  6. 3721
  7. 8836
  8. 8281
  9. 676
  10. 1296
  11. 144
  12. 961
  13. 2704
  14. 5184
  15. 4761
  16. 784
  17. 7569
  18. 9025
  19. 289
  20. 5041
  21. 289
  22. 6084
  23. 1764
  24. 784
  25. 2304
  26. 4356
  27. 2809
  28. 2601
  29. 961
  30. 1936
  31. 961
  32. 121
  33. 5041
  34. 1849
  35. 4761
  36. 6724
  37. 2304
  38. 529
  39. 1225
  40. 169

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