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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 190 · 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. 1.89 × 85 =
  2. 2.97 × 99 =
  3. 3.1021 × 994 =
  4. 4.7 × 7 =
  5. 5.963 × 974 =
  6. 6.1009 × 966 =
  7. 7.94 × 92 =
  8. 8.92 × 91 =
  9. 9.6 × 7 =
  10. 10.11 × 11 =
  11. 11.975 × 963 =
  12. 12.110 × 99 =
  13. 13.96 × 99 =
  14. 14.115 × 85 =
  15. 15.103 × 104 =
  16. 16.991 × 977 =
  17. 17.104 × 115 =
  18. 18.8 × 8 =
  19. 19.89 × 85 =
  20. 20.11 × 14 =
  21. 21.1028 × 1027 =
  22. 22.963 × 966 =
  23. 23.111 × 105 =
  24. 24.7 × 9 =
  25. 25.14 × 14 =
  26. 26.110 × 105 =
  27. 27.8 × 6 =
  28. 28.108 × 98 =
  29. 29.979 × 992 =
  30. 30.104 × 105 =
  31. 31.113 × 89 =
  32. 32.105 × 90 =
  33. 33.1024 × 987 =
  34. 34.91 × 89 =
  35. 35.7 × 9 =
  36. 36.112 × 86 =
  37. 37.103 × 85 =
  38. 38.11 × 13 =
  39. 39.113 × 114 =
  40. 40.114 × 88 =

Answer key

  1. 7565
  2. 9603
  3. 1014874
  4. 49
  5. 937962
  6. 974694
  7. 8648
  8. 8372
  9. 42
  10. 121
  11. 938925
  12. 10890
  13. 9504
  14. 9775
  15. 10712
  16. 968207
  17. 11960
  18. 64
  19. 7565
  20. 154
  21. 1055756
  22. 930258
  23. 11655
  24. 63
  25. 196
  26. 11550
  27. 48
  28. 10584
  29. 971168
  30. 10920
  31. 10057
  32. 9450
  33. 1010688
  34. 8099
  35. 63
  36. 9632
  37. 8755
  38. 143
  39. 12882
  40. 10032

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