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Last Digits Add to 10 Worksheet

Vedic maths trick 22: Last digits adding to 10 · Set 692 · 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. 1.103 × 107 =
  2. 2.92 × 98 =
  3. 3.127 × 123 =
  4. 4.19 × 11 =
  5. 5.83 × 87 =
  6. 6.29 × 21 =
  7. 7.99 × 91 =
  8. 8.17 × 13 =
  9. 9.35 × 35 =
  10. 10.14 × 16 =
  11. 11.78 × 72 =
  12. 12.93 × 97 =
  13. 13.44 × 46 =
  14. 14.314 × 316 =
  15. 15.19 × 11 =
  16. 16.112 × 118 =
  17. 17.299 × 291 =
  18. 18.73 × 77 =
  19. 19.54 × 56 =
  20. 20.77 × 73 =
  21. 21.303 × 307 =
  22. 22.29 × 21 =
  23. 23.35 × 35 =
  24. 24.314 × 316 =
  25. 25.49 × 41 =
  26. 26.55 × 55 =
  27. 27.25 × 25 =
  28. 28.79 × 71 =
  29. 29.99 × 91 =
  30. 30.214 × 216 =
  31. 31.78 × 72 =
  32. 32.37 × 33 =
  33. 33.62 × 68 =
  34. 34.337 × 333 =
  35. 35.43 × 47 =
  36. 36.35 × 35 =
  37. 37.53 × 57 =
  38. 38.175 × 175 =
  39. 39.71 × 79 =
  40. 40.57 × 53 =

Answer key

  1. 11021
  2. 9016
  3. 15621
  4. 209
  5. 7221
  6. 609
  7. 9009
  8. 221
  9. 1225
  10. 224
  11. 5616
  12. 9021
  13. 2024
  14. 99224
  15. 209
  16. 13216
  17. 87009
  18. 5621
  19. 3024
  20. 5621
  21. 93021
  22. 609
  23. 1225
  24. 99224
  25. 2009
  26. 3025
  27. 625
  28. 5609
  29. 9009
  30. 46224
  31. 5616
  32. 1221
  33. 4216
  34. 112221
  35. 2021
  36. 1225
  37. 3021
  38. 30625
  39. 5609
  40. 3021

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