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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 667 · 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. 2.21² =
  3. 3.87² =
  4. 4.94² =
  5. 5.18² =
  6. 6.59² =
  7. 7.38² =
  8. 8.64² =
  9. 9.33² =
  10. 10.85² =
  11. 11.95² =
  12. 12.36² =
  13. 13.81² =
  14. 14.44² =
  15. 15.14² =
  16. 16.73² =
  17. 17.63² =
  18. 18.78² =
  19. 19.71² =
  20. 20.48² =
  21. 21.71² =
  22. 22.69² =
  23. 23.71² =
  24. 24.25² =
  25. 25.96² =
  26. 26.24² =
  27. 27.81² =
  28. 28.35² =
  29. 29.21² =
  30. 30.71² =
  31. 31.76² =
  32. 32.69² =
  33. 33.15² =
  34. 34.66² =
  35. 35.93² =
  36. 36.89² =
  37. 37.53² =
  38. 38.88² =
  39. 39.39² =
  40. 40.51² =

Answer key

  1. 6241
  2. 441
  3. 7569
  4. 8836
  5. 324
  6. 3481
  7. 1444
  8. 4096
  9. 1089
  10. 7225
  11. 9025
  12. 1296
  13. 6561
  14. 1936
  15. 196
  16. 5329
  17. 3969
  18. 6084
  19. 5041
  20. 2304
  21. 5041
  22. 4761
  23. 5041
  24. 625
  25. 9216
  26. 576
  27. 6561
  28. 1225
  29. 441
  30. 5041
  31. 5776
  32. 4761
  33. 225
  34. 4356
  35. 8649
  36. 7921
  37. 2809
  38. 7744
  39. 1521
  40. 2601

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