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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 522 · 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. 1.41² =
  2. 2.15² =
  3. 3.22² =
  4. 4.28² =
  5. 5.71² =
  6. 6.95² =
  7. 7.29² =
  8. 8.46² =
  9. 9.29² =
  10. 10.41² =
  11. 11.91² =
  12. 12.41² =
  13. 13.51² =
  14. 14.66² =
  15. 15.44² =
  16. 16.22² =
  17. 17.33² =
  18. 18.81² =
  19. 19.24² =
  20. 20.61² =
  21. 21.81² =
  22. 22.12² =
  23. 23.79² =
  24. 24.76² =
  25. 25.64² =
  26. 26.92² =
  27. 27.48² =
  28. 28.81² =
  29. 29.98² =
  30. 30.61² =
  31. 31.25² =
  32. 32.21² =
  33. 33.84² =
  34. 34.16² =
  35. 35.69² =
  36. 36.88² =
  37. 37.54² =
  38. 38.61² =
  39. 39.49² =
  40. 40.74² =

Answer key

  1. 1681
  2. 225
  3. 484
  4. 784
  5. 5041
  6. 9025
  7. 841
  8. 2116
  9. 841
  10. 1681
  11. 8281
  12. 1681
  13. 2601
  14. 4356
  15. 1936
  16. 484
  17. 1089
  18. 6561
  19. 576
  20. 3721
  21. 6561
  22. 144
  23. 6241
  24. 5776
  25. 4096
  26. 8464
  27. 2304
  28. 6561
  29. 9604
  30. 3721
  31. 625
  32. 441
  33. 7056
  34. 256
  35. 4761
  36. 7744
  37. 2916
  38. 3721
  39. 2401
  40. 5476

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