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Last Digits Add to 10 Worksheet

Vedic maths trick 22: Last digits adding to 10 · Set 666 · 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. 1.91 × 99 =
  2. 2.163 × 167 =
  3. 3.312 × 318 =
  4. 4.87 × 83 =
  5. 5.12 × 18 =
  6. 6.62 × 68 =
  7. 7.24 × 26 =
  8. 8.12 × 18 =
  9. 9.25 × 25 =
  10. 10.213 × 217 =
  11. 11.71 × 79 =
  12. 12.265 × 265 =
  13. 13.57 × 53 =
  14. 14.153 × 157 =
  15. 15.43 × 47 =
  16. 16.34 × 36 =
  17. 17.62 × 68 =
  18. 18.391 × 399 =
  19. 19.355 × 355 =
  20. 20.28 × 22 =
  21. 21.46 × 44 =
  22. 22.59 × 51 =
  23. 23.72 × 78 =
  24. 24.23 × 27 =
  25. 25.263 × 267 =
  26. 26.47 × 43 =
  27. 27.72 × 78 =
  28. 28.58 × 52 =
  29. 29.32 × 38 =
  30. 30.32 × 38 =
  31. 31.85 × 85 =
  32. 32.85 × 85 =
  33. 33.407 × 403 =
  34. 34.68 × 62 =
  35. 35.148 × 142 =
  36. 36.73 × 77 =
  37. 37.13 × 17 =
  38. 38.343 × 347 =
  39. 39.27 × 23 =
  40. 40.96 × 94 =

Answer key

  1. 9009
  2. 27221
  3. 99216
  4. 7221
  5. 216
  6. 4216
  7. 624
  8. 216
  9. 625
  10. 46221
  11. 5609
  12. 70225
  13. 3021
  14. 24021
  15. 2021
  16. 1224
  17. 4216
  18. 156009
  19. 126025
  20. 616
  21. 2024
  22. 3009
  23. 5616
  24. 621
  25. 70221
  26. 2021
  27. 5616
  28. 3016
  29. 1216
  30. 1216
  31. 7225
  32. 7225
  33. 164021
  34. 4216
  35. 21016
  36. 5621
  37. 221
  38. 119021
  39. 621
  40. 9024

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