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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 682 · 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. 1.65² =
  2. 2.94² =
  3. 3.49² =
  4. 4.67² =
  5. 5.24² =
  6. 6.11² =
  7. 7.85² =
  8. 8.46² =
  9. 9.47² =
  10. 10.34² =
  11. 11.18² =
  12. 12.61² =
  13. 13.33² =
  14. 14.51² =
  15. 15.55² =
  16. 16.81² =
  17. 17.11² =
  18. 18.19² =
  19. 19.23² =
  20. 20.89² =
  21. 21.64² =
  22. 22.71² =
  23. 23.66² =
  24. 24.23² =
  25. 25.55² =
  26. 26.35² =
  27. 27.23² =
  28. 28.47² =
  29. 29.71² =
  30. 30.91² =
  31. 31.17² =
  32. 32.48² =
  33. 33.66² =
  34. 34.91² =
  35. 35.41² =
  36. 36.46² =
  37. 37.81² =
  38. 38.24² =
  39. 39.47² =
  40. 40.82² =

Answer key

  1. 4225
  2. 8836
  3. 2401
  4. 4489
  5. 576
  6. 121
  7. 7225
  8. 2116
  9. 2209
  10. 1156
  11. 324
  12. 3721
  13. 1089
  14. 2601
  15. 3025
  16. 6561
  17. 121
  18. 361
  19. 529
  20. 7921
  21. 4096
  22. 5041
  23. 4356
  24. 529
  25. 3025
  26. 1225
  27. 529
  28. 2209
  29. 5041
  30. 8281
  31. 289
  32. 2304
  33. 4356
  34. 8281
  35. 1681
  36. 2116
  37. 6561
  38. 576
  39. 2209
  40. 6724

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