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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 577 · 40 sums
TalentJR

The trick (Nikhilam Navatashcaramam Dashatah): Write how far each number is from the base (− if below, + if above). Left part: cross-add — one number plus the other’s difference. Right part: multiply the two differences; it must have as many digits as the base has zeros (carry the extra). One above and one below? The right part is negative: take 1 from the left part and write base − that amount.

NameDateTime takenScore ___ / 40
  1. 1.7 × 9 =
  2. 2.1015 × 970 =
  3. 3.13 × 7 =
  4. 4.114 × 101 =
  5. 5.109 × 101 =
  6. 6.113 × 111 =
  7. 7.1022 × 1035 =
  8. 8.1013 × 1034 =
  9. 9.90 × 86 =
  10. 10.105 × 103 =
  11. 11.106 × 90 =
  12. 12.8 × 6 =
  13. 13.108 × 103 =
  14. 14.12 × 9 =
  15. 15.1015 × 1040 =
  16. 16.109 × 106 =
  17. 17.98 × 86 =
  18. 18.103 × 113 =
  19. 19.96 × 94 =
  20. 20.7 × 6 =
  21. 21.9 × 6 =
  22. 22.14 × 7 =
  23. 23.98 × 99 =
  24. 24.90 × 91 =
  25. 25.9 × 8 =
  26. 26.9 × 6 =
  27. 27.11 × 6 =
  28. 28.7 × 7 =
  29. 29.989 × 976 =
  30. 30.11 × 12 =
  31. 31.992 × 971 =
  32. 32.99 × 90 =
  33. 33.99 × 88 =
  34. 34.1035 × 997 =
  35. 35.107 × 95 =
  36. 36.987 × 961 =
  37. 37.1034 × 1024 =
  38. 38.9 × 9 =
  39. 39.9 × 7 =
  40. 40.98 × 88 =

Answer key

  1. 63
  2. 984550
  3. 91
  4. 11514
  5. 11009
  6. 12543
  7. 1057770
  8. 1047442
  9. 7740
  10. 10815
  11. 9540
  12. 48
  13. 11124
  14. 108
  15. 1055600
  16. 11554
  17. 8428
  18. 11639
  19. 9024
  20. 42
  21. 54
  22. 98
  23. 9702
  24. 8190
  25. 72
  26. 54
  27. 66
  28. 49
  29. 965264
  30. 132
  31. 963232
  32. 8910
  33. 8712
  34. 1031895
  35. 10165
  36. 948507
  37. 1058816
  38. 81
  39. 63
  40. 8624

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