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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 15 · 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. 1.56² =
  2. 2.33² =
  3. 3.48² =
  4. 4.19² =
  5. 5.78² =
  6. 6.16² =
  7. 7.16² =
  8. 8.67² =
  9. 9.75² =
  10. 10.17² =
  11. 11.66² =
  12. 12.78² =
  13. 13.53² =
  14. 14.18² =
  15. 15.91² =
  16. 16.54² =
  17. 17.74² =
  18. 18.46² =
  19. 19.21² =
  20. 20.89² =
  21. 21.94² =
  22. 22.67² =
  23. 23.98² =
  24. 24.32² =
  25. 25.64² =
  26. 26.58² =
  27. 27.18² =
  28. 28.34² =
  29. 29.37² =
  30. 30.83² =
  31. 31.35² =
  32. 32.48² =
  33. 33.19² =
  34. 34.51² =
  35. 35.21² =
  36. 36.97² =
  37. 37.45² =
  38. 38.71² =
  39. 39.56² =
  40. 40.54² =

Answer key

  1. 3136
  2. 1089
  3. 2304
  4. 361
  5. 6084
  6. 256
  7. 256
  8. 4489
  9. 5625
  10. 289
  11. 4356
  12. 6084
  13. 2809
  14. 324
  15. 8281
  16. 2916
  17. 5476
  18. 2116
  19. 441
  20. 7921
  21. 8836
  22. 4489
  23. 9604
  24. 1024
  25. 4096
  26. 3364
  27. 324
  28. 1156
  29. 1369
  30. 6889
  31. 1225
  32. 2304
  33. 361
  34. 2601
  35. 441
  36. 9409
  37. 2025
  38. 5041
  39. 3136
  40. 2916

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