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Last Digits Add to 10 Worksheet

Vedic maths trick 22: Last digits adding to 10 · Set 810 · 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. 1.391 × 399 =
  2. 2.19 × 11 =
  3. 3.11 × 19 =
  4. 4.203 × 207 =
  5. 5.63 × 67 =
  6. 6.46 × 44 =
  7. 7.21 × 29 =
  8. 8.349 × 341 =
  9. 9.57 × 53 =
  10. 10.195 × 195 =
  11. 11.25 × 25 =
  12. 12.11 × 19 =
  13. 13.83 × 87 =
  14. 14.282 × 288 =
  15. 15.65 × 65 =
  16. 16.95 × 95 =
  17. 17.51 × 59 =
  18. 18.406 × 404 =
  19. 19.185 × 185 =
  20. 20.54 × 56 =
  21. 21.88 × 82 =
  22. 22.96 × 94 =
  23. 23.174 × 176 =
  24. 24.67 × 63 =
  25. 25.76 × 74 =
  26. 26.96 × 94 =
  27. 27.61 × 69 =
  28. 28.204 × 206 =
  29. 29.45 × 45 =
  30. 30.306 × 304 =
  31. 31.95 × 95 =
  32. 32.241 × 249 =
  33. 33.58 × 52 =
  34. 34.76 × 74 =
  35. 35.31 × 39 =
  36. 36.21 × 29 =
  37. 37.87 × 83 =
  38. 38.31 × 39 =
  39. 39.122 × 128 =
  40. 40.271 × 279 =

Answer key

  1. 156009
  2. 209
  3. 209
  4. 42021
  5. 4221
  6. 2024
  7. 609
  8. 119009
  9. 3021
  10. 38025
  11. 625
  12. 209
  13. 7221
  14. 81216
  15. 4225
  16. 9025
  17. 3009
  18. 164024
  19. 34225
  20. 3024
  21. 7216
  22. 9024
  23. 30624
  24. 4221
  25. 5624
  26. 9024
  27. 4209
  28. 42024
  29. 2025
  30. 93024
  31. 9025
  32. 60009
  33. 3016
  34. 5624
  35. 1209
  36. 609
  37. 7221
  38. 1209
  39. 15616
  40. 75609

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