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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 178 · 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. 1.51² =
  2. 2.89² =
  3. 3.81² =
  4. 4.72² =
  5. 5.46² =
  6. 6.35² =
  7. 7.42² =
  8. 8.81² =
  9. 9.34² =
  10. 10.87² =
  11. 11.85² =
  12. 12.39² =
  13. 13.45² =
  14. 14.87² =
  15. 15.22² =
  16. 16.58² =
  17. 17.89² =
  18. 18.81² =
  19. 19.27² =
  20. 20.18² =
  21. 21.69² =
  22. 22.18² =
  23. 23.11² =
  24. 24.27² =
  25. 25.27² =
  26. 26.85² =
  27. 27.92² =
  28. 28.78² =
  29. 29.21² =
  30. 30.93² =
  31. 31.76² =
  32. 32.38² =
  33. 33.13² =
  34. 34.52² =
  35. 35.15² =
  36. 36.71² =
  37. 37.71² =
  38. 38.43² =
  39. 39.24² =
  40. 40.84² =

Answer key

  1. 2601
  2. 7921
  3. 6561
  4. 5184
  5. 2116
  6. 1225
  7. 1764
  8. 6561
  9. 1156
  10. 7569
  11. 7225
  12. 1521
  13. 2025
  14. 7569
  15. 484
  16. 3364
  17. 7921
  18. 6561
  19. 729
  20. 324
  21. 4761
  22. 324
  23. 121
  24. 729
  25. 729
  26. 7225
  27. 8464
  28. 6084
  29. 441
  30. 8649
  31. 5776
  32. 1444
  33. 169
  34. 2704
  35. 225
  36. 5041
  37. 5041
  38. 1849
  39. 576
  40. 7056

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