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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 209 · 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. 1.11 × 13 =
  2. 2.12 × 14 =
  3. 3.11 × 9 =
  4. 4.976 × 967 =
  5. 5.1015 × 968 =
  6. 6.104 × 95 =
  7. 7.87 × 98 =
  8. 8.1002 × 982 =
  9. 9.96 × 88 =
  10. 10.111 × 112 =
  11. 11.103 × 97 =
  12. 12.9 × 7 =
  13. 13.11 × 13 =
  14. 14.114 × 95 =
  15. 15.93 × 96 =
  16. 16.9 × 7 =
  17. 17.114 × 96 =
  18. 18.114 × 85 =
  19. 19.113 × 94 =
  20. 20.1038 × 1025 =
  21. 21.7 × 6 =
  22. 22.9 × 7 =
  23. 23.11 × 7 =
  24. 24.6 × 7 =
  25. 25.97 × 97 =
  26. 26.91 × 90 =
  27. 27.12 × 7 =
  28. 28.12 × 13 =
  29. 29.110 × 97 =
  30. 30.90 × 94 =
  31. 31.1033 × 1019 =
  32. 32.105 × 104 =
  33. 33.103 × 105 =
  34. 34.93 × 91 =
  35. 35.91 × 88 =
  36. 36.95 × 93 =
  37. 37.1019 × 1020 =
  38. 38.9 × 6 =
  39. 39.960 × 984 =
  40. 40.6 × 6 =

Answer key

  1. 143
  2. 168
  3. 99
  4. 943792
  5. 982520
  6. 9880
  7. 8526
  8. 983964
  9. 8448
  10. 12432
  11. 9991
  12. 63
  13. 143
  14. 10830
  15. 8928
  16. 63
  17. 10944
  18. 9690
  19. 10622
  20. 1063950
  21. 42
  22. 63
  23. 77
  24. 42
  25. 9409
  26. 8190
  27. 84
  28. 156
  29. 10670
  30. 8460
  31. 1052627
  32. 10920
  33. 10815
  34. 8463
  35. 8008
  36. 8835
  37. 1039380
  38. 54
  39. 944640
  40. 36

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