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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 702 · 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. 1.31² =
  2. 2.45² =
  3. 3.21² =
  4. 4.56² =
  5. 5.27² =
  6. 6.66² =
  7. 7.21² =
  8. 8.69² =
  9. 9.68² =
  10. 10.31² =
  11. 11.35² =
  12. 12.79² =
  13. 13.32² =
  14. 14.84² =
  15. 15.79² =
  16. 16.13² =
  17. 17.32² =
  18. 18.21² =
  19. 19.61² =
  20. 20.35² =
  21. 21.61² =
  22. 22.14² =
  23. 23.69² =
  24. 24.61² =
  25. 25.89² =
  26. 26.63² =
  27. 27.99² =
  28. 28.78² =
  29. 29.71² =
  30. 30.34² =
  31. 31.17² =
  32. 32.83² =
  33. 33.53² =
  34. 34.85² =
  35. 35.71² =
  36. 36.14² =
  37. 37.21² =
  38. 38.34² =
  39. 39.52² =
  40. 40.12² =

Answer key

  1. 961
  2. 2025
  3. 441
  4. 3136
  5. 729
  6. 4356
  7. 441
  8. 4761
  9. 4624
  10. 961
  11. 1225
  12. 6241
  13. 1024
  14. 7056
  15. 6241
  16. 169
  17. 1024
  18. 441
  19. 3721
  20. 1225
  21. 3721
  22. 196
  23. 4761
  24. 3721
  25. 7921
  26. 3969
  27. 9801
  28. 6084
  29. 5041
  30. 1156
  31. 289
  32. 6889
  33. 2809
  34. 7225
  35. 5041
  36. 196
  37. 441
  38. 1156
  39. 2704
  40. 144

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