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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 937 · 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. 1.69² =
  2. 2.19² =
  3. 3.63² =
  4. 4.49² =
  5. 5.52² =
  6. 6.36² =
  7. 7.37² =
  8. 8.94² =
  9. 9.78² =
  10. 10.33² =
  11. 11.85² =
  12. 12.91² =
  13. 13.71² =
  14. 14.83² =
  15. 15.91² =
  16. 16.68² =
  17. 17.91² =
  18. 18.59² =
  19. 19.22² =
  20. 20.12² =
  21. 21.19² =
  22. 22.62² =
  23. 23.51² =
  24. 24.87² =
  25. 25.35² =
  26. 26.16² =
  27. 27.23² =
  28. 28.79² =
  29. 29.95² =
  30. 30.79² =
  31. 31.81² =
  32. 32.14² =
  33. 33.87² =
  34. 34.53² =
  35. 35.58² =
  36. 36.69² =
  37. 37.71² =
  38. 38.24² =
  39. 39.78² =
  40. 40.25² =

Answer key

  1. 4761
  2. 361
  3. 3969
  4. 2401
  5. 2704
  6. 1296
  7. 1369
  8. 8836
  9. 6084
  10. 1089
  11. 7225
  12. 8281
  13. 5041
  14. 6889
  15. 8281
  16. 4624
  17. 8281
  18. 3481
  19. 484
  20. 144
  21. 361
  22. 3844
  23. 2601
  24. 7569
  25. 1225
  26. 256
  27. 529
  28. 6241
  29. 9025
  30. 6241
  31. 6561
  32. 196
  33. 7569
  34. 2809
  35. 3364
  36. 4761
  37. 5041
  38. 576
  39. 6084
  40. 625

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