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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 760 · 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. 1.22² =
  2. 2.13² =
  3. 3.14² =
  4. 4.84² =
  5. 5.38² =
  6. 6.66² =
  7. 7.21² =
  8. 8.22² =
  9. 9.17² =
  10. 10.18² =
  11. 11.96² =
  12. 12.39² =
  13. 13.91² =
  14. 14.19² =
  15. 15.31² =
  16. 16.66² =
  17. 17.89² =
  18. 18.14² =
  19. 19.83² =
  20. 20.81² =
  21. 21.47² =
  22. 22.16² =
  23. 23.72² =
  24. 24.81² =
  25. 25.61² =
  26. 26.21² =
  27. 27.29² =
  28. 28.21² =
  29. 29.74² =
  30. 30.13² =
  31. 31.34² =
  32. 32.62² =
  33. 33.54² =
  34. 34.44² =
  35. 35.68² =
  36. 36.41² =
  37. 37.49² =
  38. 38.71² =
  39. 39.64² =
  40. 40.61² =

Answer key

  1. 484
  2. 169
  3. 196
  4. 7056
  5. 1444
  6. 4356
  7. 441
  8. 484
  9. 289
  10. 324
  11. 9216
  12. 1521
  13. 8281
  14. 361
  15. 961
  16. 4356
  17. 7921
  18. 196
  19. 6889
  20. 6561
  21. 2209
  22. 256
  23. 5184
  24. 6561
  25. 3721
  26. 441
  27. 841
  28. 441
  29. 5476
  30. 169
  31. 1156
  32. 3844
  33. 2916
  34. 1936
  35. 4624
  36. 1681
  37. 2401
  38. 5041
  39. 4096
  40. 3721

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