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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 620 · 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. 1.94² =
  2. 2.65² =
  3. 3.21² =
  4. 4.55² =
  5. 5.24² =
  6. 6.89² =
  7. 7.82² =
  8. 8.29² =
  9. 9.78² =
  10. 10.31² =
  11. 11.91² =
  12. 12.49² =
  13. 13.31² =
  14. 14.41² =
  15. 15.71² =
  16. 16.43² =
  17. 17.11² =
  18. 18.58² =
  19. 19.98² =
  20. 20.72² =
  21. 21.36² =
  22. 22.87² =
  23. 23.29² =
  24. 24.65² =
  25. 25.18² =
  26. 26.91² =
  27. 27.91² =
  28. 28.48² =
  29. 29.81² =
  30. 30.57² =
  31. 31.94² =
  32. 32.46² =
  33. 33.43² =
  34. 34.19² =
  35. 35.82² =
  36. 36.61² =
  37. 37.79² =
  38. 38.28² =
  39. 39.41² =
  40. 40.18² =

Answer key

  1. 8836
  2. 4225
  3. 441
  4. 3025
  5. 576
  6. 7921
  7. 6724
  8. 841
  9. 6084
  10. 961
  11. 8281
  12. 2401
  13. 961
  14. 1681
  15. 5041
  16. 1849
  17. 121
  18. 3364
  19. 9604
  20. 5184
  21. 1296
  22. 7569
  23. 841
  24. 4225
  25. 324
  26. 8281
  27. 8281
  28. 2304
  29. 6561
  30. 3249
  31. 8836
  32. 2116
  33. 1849
  34. 361
  35. 6724
  36. 3721
  37. 6241
  38. 784
  39. 1681
  40. 324

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