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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 385 · 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. 1.61² =
  2. 2.61² =
  3. 3.55² =
  4. 4.24² =
  5. 5.59² =
  6. 6.43² =
  7. 7.13² =
  8. 8.55² =
  9. 9.12² =
  10. 10.78² =
  11. 11.55² =
  12. 12.16² =
  13. 13.47² =
  14. 14.21² =
  15. 15.91² =
  16. 16.25² =
  17. 17.25² =
  18. 18.23² =
  19. 19.25² =
  20. 20.58² =
  21. 21.29² =
  22. 22.67² =
  23. 23.33² =
  24. 24.82² =
  25. 25.12² =
  26. 26.98² =
  27. 27.44² =
  28. 28.94² =
  29. 29.75² =
  30. 30.73² =
  31. 31.16² =
  32. 32.43² =
  33. 33.67² =
  34. 34.41² =
  35. 35.31² =
  36. 36.28² =
  37. 37.31² =
  38. 38.29² =
  39. 39.68² =
  40. 40.98² =

Answer key

  1. 3721
  2. 3721
  3. 3025
  4. 576
  5. 3481
  6. 1849
  7. 169
  8. 3025
  9. 144
  10. 6084
  11. 3025
  12. 256
  13. 2209
  14. 441
  15. 8281
  16. 625
  17. 625
  18. 529
  19. 625
  20. 3364
  21. 841
  22. 4489
  23. 1089
  24. 6724
  25. 144
  26. 9604
  27. 1936
  28. 8836
  29. 5625
  30. 5329
  31. 256
  32. 1849
  33. 4489
  34. 1681
  35. 961
  36. 784
  37. 961
  38. 841
  39. 4624
  40. 9604

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