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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 860 · 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. 1.8 × 9 =
  2. 2.8 × 6 =
  3. 3.111 × 89 =
  4. 4.92 × 89 =
  5. 5.91 × 98 =
  6. 6.967 × 998 =
  7. 7.6 × 9 =
  8. 8.13 × 13 =
  9. 9.93 × 91 =
  10. 10.964 × 991 =
  11. 11.1032 × 1023 =
  12. 12.6 × 9 =
  13. 13.14 × 11 =
  14. 14.961 × 993 =
  15. 15.994 × 993 =
  16. 16.9 × 8 =
  17. 17.108 × 85 =
  18. 18.12 × 13 =
  19. 19.96 × 96 =
  20. 20.99 × 91 =
  21. 21.104 × 107 =
  22. 22.13 × 6 =
  23. 23.109 × 92 =
  24. 24.104 × 101 =
  25. 25.102 × 95 =
  26. 26.95 × 97 =
  27. 27.115 × 115 =
  28. 28.97 × 92 =
  29. 29.113 × 108 =
  30. 30.12 × 13 =
  31. 31.105 × 107 =
  32. 32.9 × 8 =
  33. 33.102 × 91 =
  34. 34.110 × 97 =
  35. 35.87 × 93 =
  36. 36.12 × 12 =
  37. 37.13 × 12 =
  38. 38.991 × 996 =
  39. 39.14 × 12 =
  40. 40.975 × 999 =

Answer key

  1. 72
  2. 48
  3. 9879
  4. 8188
  5. 8918
  6. 965066
  7. 54
  8. 169
  9. 8463
  10. 955324
  11. 1055736
  12. 54
  13. 154
  14. 954273
  15. 987042
  16. 72
  17. 9180
  18. 156
  19. 9216
  20. 9009
  21. 11128
  22. 78
  23. 10028
  24. 10504
  25. 9690
  26. 9215
  27. 13225
  28. 8924
  29. 12204
  30. 156
  31. 11235
  32. 72
  33. 9282
  34. 10670
  35. 8091
  36. 144
  37. 156
  38. 987036
  39. 168
  40. 974025

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