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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 69 · 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. 1.13 × 12 =
  2. 2.106 × 102 =
  3. 3.105 × 113 =
  4. 4.964 × 967 =
  5. 5.102 × 102 =
  6. 6.13 × 9 =
  7. 7.110 × 101 =
  8. 8.985 × 964 =
  9. 9.91 × 91 =
  10. 10.89 × 99 =
  11. 11.13 × 13 =
  12. 12.111 × 92 =
  13. 13.101 × 105 =
  14. 14.97 × 88 =
  15. 15.961 × 978 =
  16. 16.6 × 7 =
  17. 17.11 × 11 =
  18. 18.93 × 89 =
  19. 19.6 × 7 =
  20. 20.109 × 105 =
  21. 21.9 × 6 =
  22. 22.961 × 978 =
  23. 23.6 × 8 =
  24. 24.12 × 12 =
  25. 25.12 × 12 =
  26. 26.101 × 88 =
  27. 27.11 × 13 =
  28. 28.1008 × 1017 =
  29. 29.111 × 107 =
  30. 30.113 × 96 =
  31. 31.93 × 85 =
  32. 32.11 × 13 =
  33. 33.11 × 13 =
  34. 34.106 × 110 =
  35. 35.997 × 971 =
  36. 36.89 × 91 =
  37. 37.114 × 108 =
  38. 38.7 × 8 =
  39. 39.13 × 11 =
  40. 40.12 × 14 =

Answer key

  1. 156
  2. 10812
  3. 11865
  4. 932188
  5. 10404
  6. 117
  7. 11110
  8. 949540
  9. 8281
  10. 8811
  11. 169
  12. 10212
  13. 10605
  14. 8536
  15. 939858
  16. 42
  17. 121
  18. 8277
  19. 42
  20. 11445
  21. 54
  22. 939858
  23. 48
  24. 144
  25. 144
  26. 8888
  27. 143
  28. 1025136
  29. 11877
  30. 10848
  31. 7905
  32. 143
  33. 143
  34. 11660
  35. 968087
  36. 8099
  37. 12312
  38. 56
  39. 143
  40. 168

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