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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 765 · 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. 1.17² =
  2. 2.64² =
  3. 3.91² =
  4. 4.72² =
  5. 5.86² =
  6. 6.13² =
  7. 7.59² =
  8. 8.61² =
  9. 9.52² =
  10. 10.67² =
  11. 11.86² =
  12. 12.33² =
  13. 13.61² =
  14. 14.63² =
  15. 15.93² =
  16. 16.85² =
  17. 17.99² =
  18. 18.21² =
  19. 19.39² =
  20. 20.88² =
  21. 21.86² =
  22. 22.41² =
  23. 23.16² =
  24. 24.41² =
  25. 25.98² =
  26. 26.76² =
  27. 27.71² =
  28. 28.98² =
  29. 29.71² =
  30. 30.71² =
  31. 31.53² =
  32. 32.14² =
  33. 33.24² =
  34. 34.75² =
  35. 35.21² =
  36. 36.32² =
  37. 37.61² =
  38. 38.28² =
  39. 39.63² =
  40. 40.27² =

Answer key

  1. 289
  2. 4096
  3. 8281
  4. 5184
  5. 7396
  6. 169
  7. 3481
  8. 3721
  9. 2704
  10. 4489
  11. 7396
  12. 1089
  13. 3721
  14. 3969
  15. 8649
  16. 7225
  17. 9801
  18. 441
  19. 1521
  20. 7744
  21. 7396
  22. 1681
  23. 256
  24. 1681
  25. 9604
  26. 5776
  27. 5041
  28. 9604
  29. 5041
  30. 5041
  31. 2809
  32. 196
  33. 576
  34. 5625
  35. 441
  36. 1024
  37. 3721
  38. 784
  39. 3969
  40. 729

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