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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 947 · 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. 1.44² =
  2. 2.32² =
  3. 3.26² =
  4. 4.63² =
  5. 5.69² =
  6. 6.31² =
  7. 7.66² =
  8. 8.34² =
  9. 9.98² =
  10. 10.77² =
  11. 11.61² =
  12. 12.91² =
  13. 13.98² =
  14. 14.36² =
  15. 15.29² =
  16. 16.81² =
  17. 17.51² =
  18. 18.64² =
  19. 19.34² =
  20. 20.51² =
  21. 21.18² =
  22. 22.51² =
  23. 23.13² =
  24. 24.33² =
  25. 25.49² =
  26. 26.45² =
  27. 27.43² =
  28. 28.46² =
  29. 29.98² =
  30. 30.47² =
  31. 31.94² =
  32. 32.51² =
  33. 33.45² =
  34. 34.75² =
  35. 35.69² =
  36. 36.71² =
  37. 37.33² =
  38. 38.11² =
  39. 39.71² =
  40. 40.57² =

Answer key

  1. 1936
  2. 1024
  3. 676
  4. 3969
  5. 4761
  6. 961
  7. 4356
  8. 1156
  9. 9604
  10. 5929
  11. 3721
  12. 8281
  13. 9604
  14. 1296
  15. 841
  16. 6561
  17. 2601
  18. 4096
  19. 1156
  20. 2601
  21. 324
  22. 2601
  23. 169
  24. 1089
  25. 2401
  26. 2025
  27. 1849
  28. 2116
  29. 9604
  30. 2209
  31. 8836
  32. 2601
  33. 2025
  34. 5625
  35. 4761
  36. 5041
  37. 1089
  38. 121
  39. 5041
  40. 3249

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