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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 72 · 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. 1.1039 × 1007 =
  2. 2.968 × 963 =
  3. 3.979 × 968 =
  4. 4.89 × 98 =
  5. 5.106 × 99 =
  6. 6.13 × 6 =
  7. 7.12 × 6 =
  8. 8.998 × 976 =
  9. 9.107 × 96 =
  10. 10.108 × 102 =
  11. 11.103 × 104 =
  12. 12.110 × 95 =
  13. 13.997 × 994 =
  14. 14.1025 × 1025 =
  15. 15.101 × 110 =
  16. 16.90 × 99 =
  17. 17.992 × 965 =
  18. 18.98 × 87 =
  19. 19.11 × 13 =
  20. 20.105 × 106 =
  21. 21.9 × 7 =
  22. 22.1027 × 1038 =
  23. 23.109 × 108 =
  24. 24.12 × 6 =
  25. 25.99 × 93 =
  26. 26.104 × 102 =
  27. 27.91 × 90 =
  28. 28.6 × 6 =
  29. 29.111 × 101 =
  30. 30.961 × 990 =
  31. 31.99 × 96 =
  32. 32.98 × 92 =
  33. 33.112 × 109 =
  34. 34.97 × 98 =
  35. 35.982 × 988 =
  36. 36.103 × 87 =
  37. 37.111 × 85 =
  38. 38.1007 × 1014 =
  39. 39.88 × 93 =
  40. 40.12 × 13 =

Answer key

  1. 1046273
  2. 932184
  3. 947672
  4. 8722
  5. 10494
  6. 78
  7. 72
  8. 974048
  9. 10272
  10. 11016
  11. 10712
  12. 10450
  13. 991018
  14. 1050625
  15. 11110
  16. 8910
  17. 957280
  18. 8526
  19. 143
  20. 11130
  21. 63
  22. 1066026
  23. 11772
  24. 72
  25. 9207
  26. 10608
  27. 8190
  28. 36
  29. 11211
  30. 951390
  31. 9504
  32. 9016
  33. 12208
  34. 9506
  35. 970216
  36. 8961
  37. 9435
  38. 1021098
  39. 8184
  40. 156

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