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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 571 · 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. 1.14² =
  2. 2.13² =
  3. 3.58² =
  4. 4.16² =
  5. 5.42² =
  6. 6.26² =
  7. 7.73² =
  8. 8.16² =
  9. 9.71² =
  10. 10.86² =
  11. 11.64² =
  12. 12.13² =
  13. 13.69² =
  14. 14.92² =
  15. 15.79² =
  16. 16.97² =
  17. 17.66² =
  18. 18.78² =
  19. 19.46² =
  20. 20.12² =
  21. 21.66² =
  22. 22.83² =
  23. 23.31² =
  24. 24.57² =
  25. 25.14² =
  26. 26.29² =
  27. 27.65² =
  28. 28.55² =
  29. 29.93² =
  30. 30.72² =
  31. 31.99² =
  32. 32.79² =
  33. 33.32² =
  34. 34.98² =
  35. 35.71² =
  36. 36.83² =
  37. 37.61² =
  38. 38.49² =
  39. 39.24² =
  40. 40.41² =

Answer key

  1. 196
  2. 169
  3. 3364
  4. 256
  5. 1764
  6. 676
  7. 5329
  8. 256
  9. 5041
  10. 7396
  11. 4096
  12. 169
  13. 4761
  14. 8464
  15. 6241
  16. 9409
  17. 4356
  18. 6084
  19. 2116
  20. 144
  21. 4356
  22. 6889
  23. 961
  24. 3249
  25. 196
  26. 841
  27. 4225
  28. 3025
  29. 8649
  30. 5184
  31. 9801
  32. 6241
  33. 1024
  34. 9604
  35. 5041
  36. 6889
  37. 3721
  38. 2401
  39. 576
  40. 1681

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