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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 728 · 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. 1.18² =
  2. 2.71² =
  3. 3.83² =
  4. 4.68² =
  5. 5.61² =
  6. 6.69² =
  7. 7.92² =
  8. 8.67² =
  9. 9.52² =
  10. 10.82² =
  11. 11.27² =
  12. 12.67² =
  13. 13.44² =
  14. 14.84² =
  15. 15.81² =
  16. 16.71² =
  17. 17.19² =
  18. 18.41² =
  19. 19.74² =
  20. 20.26² =
  21. 21.34² =
  22. 22.74² =
  23. 23.79² =
  24. 24.78² =
  25. 25.18² =
  26. 26.61² =
  27. 27.45² =
  28. 28.48² =
  29. 29.27² =
  30. 30.39² =
  31. 31.46² =
  32. 32.26² =
  33. 33.85² =
  34. 34.25² =
  35. 35.59² =
  36. 36.43² =
  37. 37.74² =
  38. 38.79² =
  39. 39.73² =
  40. 40.63² =

Answer key

  1. 324
  2. 5041
  3. 6889
  4. 4624
  5. 3721
  6. 4761
  7. 8464
  8. 4489
  9. 2704
  10. 6724
  11. 729
  12. 4489
  13. 1936
  14. 7056
  15. 6561
  16. 5041
  17. 361
  18. 1681
  19. 5476
  20. 676
  21. 1156
  22. 5476
  23. 6241
  24. 6084
  25. 324
  26. 3721
  27. 2025
  28. 2304
  29. 729
  30. 1521
  31. 2116
  32. 676
  33. 7225
  34. 625
  35. 3481
  36. 1849
  37. 5476
  38. 6241
  39. 5329
  40. 3969

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