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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 803 · 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. 1.59² =
  2. 2.47² =
  3. 3.39² =
  4. 4.35² =
  5. 5.98² =
  6. 6.85² =
  7. 7.25² =
  8. 8.78² =
  9. 9.79² =
  10. 10.11² =
  11. 11.75² =
  12. 12.79² =
  13. 13.17² =
  14. 14.34² =
  15. 15.23² =
  16. 16.37² =
  17. 17.25² =
  18. 18.29² =
  19. 19.88² =
  20. 20.88² =
  21. 21.85² =
  22. 22.95² =
  23. 23.21² =
  24. 24.91² =
  25. 25.76² =
  26. 26.33² =
  27. 27.87² =
  28. 28.72² =
  29. 29.65² =
  30. 30.74² =
  31. 31.61² =
  32. 32.82² =
  33. 33.53² =
  34. 34.91² =
  35. 35.57² =
  36. 36.61² =
  37. 37.51² =
  38. 38.41² =
  39. 39.97² =
  40. 40.38² =

Answer key

  1. 3481
  2. 2209
  3. 1521
  4. 1225
  5. 9604
  6. 7225
  7. 625
  8. 6084
  9. 6241
  10. 121
  11. 5625
  12. 6241
  13. 289
  14. 1156
  15. 529
  16. 1369
  17. 625
  18. 841
  19. 7744
  20. 7744
  21. 7225
  22. 9025
  23. 441
  24. 8281
  25. 5776
  26. 1089
  27. 7569
  28. 5184
  29. 4225
  30. 5476
  31. 3721
  32. 6724
  33. 2809
  34. 8281
  35. 3249
  36. 3721
  37. 2601
  38. 1681
  39. 9409
  40. 1444

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