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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 869 · 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. 1.19² =
  2. 2.11² =
  3. 3.54² =
  4. 4.77² =
  5. 5.53² =
  6. 6.27² =
  7. 7.14² =
  8. 8.14² =
  9. 9.54² =
  10. 10.64² =
  11. 11.18² =
  12. 12.95² =
  13. 13.91² =
  14. 14.98² =
  15. 15.49² =
  16. 16.92² =
  17. 17.57² =
  18. 18.71² =
  19. 19.44² =
  20. 20.52² =
  21. 21.17² =
  22. 22.94² =
  23. 23.48² =
  24. 24.61² =
  25. 25.39² =
  26. 26.55² =
  27. 27.84² =
  28. 28.57² =
  29. 29.72² =
  30. 30.52² =
  31. 31.14² =
  32. 32.46² =
  33. 33.84² =
  34. 34.57² =
  35. 35.21² =
  36. 36.47² =
  37. 37.76² =
  38. 38.93² =
  39. 39.64² =
  40. 40.79² =

Answer key

  1. 361
  2. 121
  3. 2916
  4. 5929
  5. 2809
  6. 729
  7. 196
  8. 196
  9. 2916
  10. 4096
  11. 324
  12. 9025
  13. 8281
  14. 9604
  15. 2401
  16. 8464
  17. 3249
  18. 5041
  19. 1936
  20. 2704
  21. 289
  22. 8836
  23. 2304
  24. 3721
  25. 1521
  26. 3025
  27. 7056
  28. 3249
  29. 5184
  30. 2704
  31. 196
  32. 2116
  33. 7056
  34. 3249
  35. 441
  36. 2209
  37. 5776
  38. 8649
  39. 4096
  40. 6241

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