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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 290 · 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. 1.81² =
  2. 2.84² =
  3. 3.71² =
  4. 4.24² =
  5. 5.19² =
  6. 6.36² =
  7. 7.94² =
  8. 8.39² =
  9. 9.97² =
  10. 10.29² =
  11. 11.17² =
  12. 12.18² =
  13. 13.61² =
  14. 14.58² =
  15. 15.61² =
  16. 16.91² =
  17. 17.94² =
  18. 18.26² =
  19. 19.17² =
  20. 20.33² =
  21. 21.55² =
  22. 22.19² =
  23. 23.86² =
  24. 24.83² =
  25. 25.14² =
  26. 26.63² =
  27. 27.75² =
  28. 28.94² =
  29. 29.84² =
  30. 30.21² =
  31. 31.34² =
  32. 32.81² =
  33. 33.55² =
  34. 34.41² =
  35. 35.38² =
  36. 36.11² =
  37. 37.33² =
  38. 38.39² =
  39. 39.36² =
  40. 40.59² =

Answer key

  1. 6561
  2. 7056
  3. 5041
  4. 576
  5. 361
  6. 1296
  7. 8836
  8. 1521
  9. 9409
  10. 841
  11. 289
  12. 324
  13. 3721
  14. 3364
  15. 3721
  16. 8281
  17. 8836
  18. 676
  19. 289
  20. 1089
  21. 3025
  22. 361
  23. 7396
  24. 6889
  25. 196
  26. 3969
  27. 5625
  28. 8836
  29. 7056
  30. 441
  31. 1156
  32. 6561
  33. 3025
  34. 1681
  35. 1444
  36. 121
  37. 1089
  38. 1521
  39. 1296
  40. 3481

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