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Last Digits Add to 10 Worksheet

Vedic maths trick 22: Last digits adding to 10 · Set 822 · 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. 1.17 × 13 =
  2. 2.15 × 15 =
  3. 3.405 × 405 =
  4. 4.74 × 76 =
  5. 5.95 × 95 =
  6. 6.15 × 15 =
  7. 7.147 × 143 =
  8. 8.75 × 75 =
  9. 9.367 × 363 =
  10. 10.39 × 31 =
  11. 11.34 × 36 =
  12. 12.404 × 406 =
  13. 13.17 × 13 =
  14. 14.99 × 91 =
  15. 15.56 × 54 =
  16. 16.84 × 86 =
  17. 17.97 × 93 =
  18. 18.91 × 99 =
  19. 19.71 × 79 =
  20. 20.96 × 94 =
  21. 21.62 × 68 =
  22. 22.13 × 17 =
  23. 23.201 × 209 =
  24. 24.12 × 18 =
  25. 25.99 × 91 =
  26. 26.193 × 197 =
  27. 27.22 × 28 =
  28. 28.106 × 104 =
  29. 29.43 × 47 =
  30. 30.38 × 32 =
  31. 31.37 × 33 =
  32. 32.161 × 169 =
  33. 33.22 × 28 =
  34. 34.21 × 29 =
  35. 35.28 × 22 =
  36. 36.84 × 86 =
  37. 37.111 × 119 =
  38. 38.242 × 248 =
  39. 39.119 × 111 =
  40. 40.81 × 89 =

Answer key

  1. 221
  2. 225
  3. 164025
  4. 5624
  5. 9025
  6. 225
  7. 21021
  8. 5625
  9. 133221
  10. 1209
  11. 1224
  12. 164024
  13. 221
  14. 9009
  15. 3024
  16. 7224
  17. 9021
  18. 9009
  19. 5609
  20. 9024
  21. 4216
  22. 221
  23. 42009
  24. 216
  25. 9009
  26. 38021
  27. 616
  28. 11024
  29. 2021
  30. 1216
  31. 1221
  32. 27209
  33. 616
  34. 609
  35. 616
  36. 7224
  37. 13209
  38. 60016
  39. 13209
  40. 7209

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