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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 983 · 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. 1.1035 × 1038 =
  2. 2.93 × 88 =
  3. 3.101 × 91 =
  4. 4.11 × 9 =
  5. 5.103 × 115 =
  6. 6.7 × 8 =
  7. 7.102 × 92 =
  8. 8.6 × 7 =
  9. 9.105 × 88 =
  10. 10.95 × 99 =
  11. 11.13 × 9 =
  12. 12.990 × 988 =
  13. 13.1018 × 1001 =
  14. 14.110 × 102 =
  15. 15.103 × 89 =
  16. 16.111 × 103 =
  17. 17.95 × 89 =
  18. 18.107 × 108 =
  19. 19.99 × 96 =
  20. 20.87 × 95 =
  21. 21.970 × 968 =
  22. 22.104 × 85 =
  23. 23.111 × 107 =
  24. 24.102 × 96 =
  25. 25.90 × 90 =
  26. 26.11 × 8 =
  27. 27.9 × 8 =
  28. 28.6 × 7 =
  29. 29.98 × 96 =
  30. 30.7 × 9 =
  31. 31.97 × 91 =
  32. 32.6 × 8 =
  33. 33.105 × 97 =
  34. 34.9 × 9 =
  35. 35.92 × 86 =
  36. 36.106 × 86 =
  37. 37.93 × 93 =
  38. 38.1028 × 1027 =
  39. 39.98 × 95 =
  40. 40.102 × 107 =

Answer key

  1. 1074330
  2. 8184
  3. 9191
  4. 99
  5. 11845
  6. 56
  7. 9384
  8. 42
  9. 9240
  10. 9405
  11. 117
  12. 978120
  13. 1019018
  14. 11220
  15. 9167
  16. 11433
  17. 8455
  18. 11556
  19. 9504
  20. 8265
  21. 938960
  22. 8840
  23. 11877
  24. 9792
  25. 8100
  26. 88
  27. 72
  28. 42
  29. 9408
  30. 63
  31. 8827
  32. 48
  33. 10185
  34. 81
  35. 7912
  36. 9116
  37. 8649
  38. 1055756
  39. 9310
  40. 10914

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