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Last Digits Add to 10 Worksheet

Vedic maths trick 22: Last digits adding to 10 · Set 27 · 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. 1.61 × 69 =
  2. 2.81 × 89 =
  3. 3.48 × 42 =
  4. 4.37 × 33 =
  5. 5.29 × 21 =
  6. 6.13 × 17 =
  7. 7.354 × 356 =
  8. 8.128 × 122 =
  9. 9.66 × 64 =
  10. 10.61 × 69 =
  11. 11.56 × 54 =
  12. 12.81 × 89 =
  13. 13.259 × 251 =
  14. 14.87 × 83 =
  15. 15.404 × 406 =
  16. 16.92 × 98 =
  17. 17.37 × 33 =
  18. 18.129 × 121 =
  19. 19.53 × 57 =
  20. 20.29 × 21 =
  21. 21.35 × 35 =
  22. 22.54 × 56 =
  23. 23.123 × 127 =
  24. 24.11 × 19 =
  25. 25.117 × 113 =
  26. 26.92 × 98 =
  27. 27.71 × 79 =
  28. 28.75 × 75 =
  29. 29.79 × 71 =
  30. 30.235 × 235 =
  31. 31.27 × 23 =
  32. 32.12 × 18 =
  33. 33.49 × 41 =
  34. 34.93 × 97 =
  35. 35.55 × 55 =
  36. 36.208 × 202 =
  37. 37.24 × 26 =
  38. 38.33 × 37 =
  39. 39.97 × 93 =
  40. 40.117 × 113 =

Answer key

  1. 4209
  2. 7209
  3. 2016
  4. 1221
  5. 609
  6. 221
  7. 126024
  8. 15616
  9. 4224
  10. 4209
  11. 3024
  12. 7209
  13. 65009
  14. 7221
  15. 164024
  16. 9016
  17. 1221
  18. 15609
  19. 3021
  20. 609
  21. 1225
  22. 3024
  23. 15621
  24. 209
  25. 13221
  26. 9016
  27. 5609
  28. 5625
  29. 5609
  30. 55225
  31. 621
  32. 216
  33. 2009
  34. 9021
  35. 3025
  36. 42016
  37. 624
  38. 1221
  39. 9021
  40. 13221

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