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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 800 · 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. 1.57² =
  2. 2.64² =
  3. 3.46² =
  4. 4.75² =
  5. 5.83² =
  6. 6.25² =
  7. 7.33² =
  8. 8.91² =
  9. 9.72² =
  10. 10.66² =
  11. 11.61² =
  12. 12.42² =
  13. 13.48² =
  14. 14.52² =
  15. 15.29² =
  16. 16.81² =
  17. 17.32² =
  18. 18.16² =
  19. 19.23² =
  20. 20.47² =
  21. 21.16² =
  22. 22.52² =
  23. 23.31² =
  24. 24.23² =
  25. 25.78² =
  26. 26.71² =
  27. 27.72² =
  28. 28.92² =
  29. 29.89² =
  30. 30.61² =
  31. 31.13² =
  32. 32.71² =
  33. 33.31² =
  34. 34.73² =
  35. 35.64² =
  36. 36.33² =
  37. 37.18² =
  38. 38.87² =
  39. 39.19² =
  40. 40.15² =

Answer key

  1. 3249
  2. 4096
  3. 2116
  4. 5625
  5. 6889
  6. 625
  7. 1089
  8. 8281
  9. 5184
  10. 4356
  11. 3721
  12. 1764
  13. 2304
  14. 2704
  15. 841
  16. 6561
  17. 1024
  18. 256
  19. 529
  20. 2209
  21. 256
  22. 2704
  23. 961
  24. 529
  25. 6084
  26. 5041
  27. 5184
  28. 8464
  29. 7921
  30. 3721
  31. 169
  32. 5041
  33. 961
  34. 5329
  35. 4096
  36. 1089
  37. 324
  38. 7569
  39. 361
  40. 225

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