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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 194 · 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. 1.79² =
  2. 2.46² =
  3. 3.84² =
  4. 4.71² =
  5. 5.56² =
  6. 6.79² =
  7. 7.49² =
  8. 8.81² =
  9. 9.69² =
  10. 10.59² =
  11. 11.13² =
  12. 12.29² =
  13. 13.37² =
  14. 14.74² =
  15. 15.68² =
  16. 16.24² =
  17. 17.71² =
  18. 18.49² =
  19. 19.51² =
  20. 20.22² =
  21. 21.97² =
  22. 22.14² =
  23. 23.69² =
  24. 24.24² =
  25. 25.17² =
  26. 26.66² =
  27. 27.33² =
  28. 28.26² =
  29. 29.62² =
  30. 30.21² =
  31. 31.58² =
  32. 32.69² =
  33. 33.57² =
  34. 34.46² =
  35. 35.52² =
  36. 36.35² =
  37. 37.44² =
  38. 38.15² =
  39. 39.23² =
  40. 40.31² =

Answer key

  1. 6241
  2. 2116
  3. 7056
  4. 5041
  5. 3136
  6. 6241
  7. 2401
  8. 6561
  9. 4761
  10. 3481
  11. 169
  12. 841
  13. 1369
  14. 5476
  15. 4624
  16. 576
  17. 5041
  18. 2401
  19. 2601
  20. 484
  21. 9409
  22. 196
  23. 4761
  24. 576
  25. 289
  26. 4356
  27. 1089
  28. 676
  29. 3844
  30. 441
  31. 3364
  32. 4761
  33. 3249
  34. 2116
  35. 2704
  36. 1225
  37. 1936
  38. 225
  39. 529
  40. 961

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