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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 829 · 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. 1.26² =
  2. 2.47² =
  3. 3.55² =
  4. 4.14² =
  5. 5.61² =
  6. 6.48² =
  7. 7.79² =
  8. 8.94² =
  9. 9.71² =
  10. 10.75² =
  11. 11.84² =
  12. 12.69² =
  13. 13.55² =
  14. 14.78² =
  15. 15.73² =
  16. 16.55² =
  17. 17.93² =
  18. 18.42² =
  19. 19.53² =
  20. 20.24² =
  21. 21.37² =
  22. 22.18² =
  23. 23.96² =
  24. 24.52² =
  25. 25.82² =
  26. 26.69² =
  27. 27.44² =
  28. 28.67² =
  29. 29.11² =
  30. 30.88² =
  31. 31.81² =
  32. 32.67² =
  33. 33.29² =
  34. 34.71² =
  35. 35.55² =
  36. 36.51² =
  37. 37.13² =
  38. 38.31² =
  39. 39.51² =
  40. 40.18² =

Answer key

  1. 676
  2. 2209
  3. 3025
  4. 196
  5. 3721
  6. 2304
  7. 6241
  8. 8836
  9. 5041
  10. 5625
  11. 7056
  12. 4761
  13. 3025
  14. 6084
  15. 5329
  16. 3025
  17. 8649
  18. 1764
  19. 2809
  20. 576
  21. 1369
  22. 324
  23. 9216
  24. 2704
  25. 6724
  26. 4761
  27. 1936
  28. 4489
  29. 121
  30. 7744
  31. 6561
  32. 4489
  33. 841
  34. 5041
  35. 3025
  36. 2601
  37. 169
  38. 961
  39. 2601
  40. 324

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