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Last Digits Add to 10 Worksheet

Vedic maths trick 22: Last digits adding to 10 · Set 612 · 40 sums
TalentJR

The trick (Antyayoreva): Check: same front part, last digits add up to 10. Left part: front part × the next number. Right part: multiply the last digits — always write it with 2 digits.

NameDateTime takenScore ___ / 40
  1. 1.81 × 89 =
  2. 2.27 × 23 =
  3. 3.48 × 42 =
  4. 4.201 × 209 =
  5. 5.31 × 39 =
  6. 6.41 × 49 =
  7. 7.285 × 285 =
  8. 8.181 × 189 =
  9. 9.42 × 48 =
  10. 10.183 × 187 =
  11. 11.372 × 378 =
  12. 12.81 × 89 =
  13. 13.408 × 402 =
  14. 14.66 × 64 =
  15. 15.21 × 29 =
  16. 16.46 × 44 =
  17. 17.62 × 68 =
  18. 18.81 × 89 =
  19. 19.52 × 58 =
  20. 20.15 × 15 =
  21. 21.228 × 222 =
  22. 22.225 × 225 =
  23. 23.46 × 44 =
  24. 24.285 × 285 =
  25. 25.83 × 87 =
  26. 26.142 × 148 =
  27. 27.203 × 207 =
  28. 28.315 × 315 =
  29. 29.64 × 66 =
  30. 30.37 × 33 =
  31. 31.83 × 87 =
  32. 32.361 × 369 =
  33. 33.61 × 69 =
  34. 34.41 × 49 =
  35. 35.56 × 54 =
  36. 36.91 × 99 =
  37. 37.84 × 86 =
  38. 38.59 × 51 =
  39. 39.348 × 342 =
  40. 40.55 × 55 =

Answer key

  1. 7209
  2. 621
  3. 2016
  4. 42009
  5. 1209
  6. 2009
  7. 81225
  8. 34209
  9. 2016
  10. 34221
  11. 140616
  12. 7209
  13. 164016
  14. 4224
  15. 609
  16. 2024
  17. 4216
  18. 7209
  19. 3016
  20. 225
  21. 50616
  22. 50625
  23. 2024
  24. 81225
  25. 7221
  26. 21016
  27. 42021
  28. 99225
  29. 4224
  30. 1221
  31. 7221
  32. 133209
  33. 4209
  34. 2009
  35. 3024
  36. 9009
  37. 7224
  38. 3009
  39. 119016
  40. 3025

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