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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 285 · 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. 1.96 × 98 =
  2. 2.88 × 87 =
  3. 3.99 × 94 =
  4. 4.111 × 110 =
  5. 5.11 × 9 =
  6. 6.96 × 99 =
  7. 7.115 × 87 =
  8. 8.90 × 88 =
  9. 9.1033 × 1033 =
  10. 10.13 × 11 =
  11. 11.8 × 7 =
  12. 12.12 × 12 =
  13. 13.11 × 7 =
  14. 14.11 × 14 =
  15. 15.108 × 115 =
  16. 16.113 × 109 =
  17. 17.103 × 86 =
  18. 18.14 × 11 =
  19. 19.107 × 91 =
  20. 20.1001 × 961 =
  21. 21.994 × 994 =
  22. 22.9 × 7 =
  23. 23.1001 × 1004 =
  24. 24.6 × 9 =
  25. 25.99 × 88 =
  26. 26.90 × 88 =
  27. 27.98 × 86 =
  28. 28.6 × 9 =
  29. 29.7 × 7 =
  30. 30.9 × 8 =
  31. 31.105 × 101 =
  32. 32.14 × 14 =
  33. 33.979 × 974 =
  34. 34.1029 × 1015 =
  35. 35.6 × 8 =
  36. 36.6 × 7 =
  37. 37.101 × 101 =
  38. 38.9 × 9 =
  39. 39.1036 × 1040 =
  40. 40.1007 × 1015 =

Answer key

  1. 9408
  2. 7656
  3. 9306
  4. 12210
  5. 99
  6. 9504
  7. 10005
  8. 7920
  9. 1067089
  10. 143
  11. 56
  12. 144
  13. 77
  14. 154
  15. 12420
  16. 12317
  17. 8858
  18. 154
  19. 9737
  20. 961961
  21. 988036
  22. 63
  23. 1005004
  24. 54
  25. 8712
  26. 7920
  27. 8428
  28. 54
  29. 49
  30. 72
  31. 10605
  32. 196
  33. 953546
  34. 1044435
  35. 48
  36. 42
  37. 10201
  38. 81
  39. 1077440
  40. 1022105

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