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Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 867 · 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 × 11 =
  2. 2.11 × 7 =
  3. 3.9 × 6 =
  4. 4.11 × 12 =
  5. 5.8 × 9 =
  6. 6.102 × 103 =
  7. 7.102 × 101 =
  8. 8.96 × 92 =
  9. 9.113 × 109 =
  10. 10.12 × 12 =
  11. 11.108 × 85 =
  12. 12.1019 × 1021 =
  13. 13.108 × 88 =
  14. 14.983 × 977 =
  15. 15.14 × 14 =
  16. 16.8 × 8 =
  17. 17.14 × 6 =
  18. 18.8 × 6 =
  19. 19.88 × 96 =
  20. 20.102 × 101 =
  21. 21.14 × 14 =
  22. 22.90 × 85 =
  23. 23.108 × 102 =
  24. 24.11 × 8 =
  25. 25.101 × 95 =
  26. 26.87 × 95 =
  27. 27.12 × 13 =
  28. 28.965 × 995 =
  29. 29.12 × 11 =
  30. 30.95 × 88 =
  31. 31.970 × 987 =
  32. 32.114 × 96 =
  33. 33.996 × 962 =
  34. 34.9 × 8 =
  35. 35.95 × 93 =
  36. 36.9 × 9 =
  37. 37.8 × 8 =
  38. 38.1037 × 969 =
  39. 39.975 × 980 =
  40. 40.7 × 6 =

Answer key

  1. 121
  2. 77
  3. 54
  4. 132
  5. 72
  6. 10506
  7. 10302
  8. 8832
  9. 12317
  10. 144
  11. 9180
  12. 1040399
  13. 9504
  14. 960391
  15. 196
  16. 64
  17. 84
  18. 48
  19. 8448
  20. 10302
  21. 196
  22. 7650
  23. 11016
  24. 88
  25. 9595
  26. 8265
  27. 156
  28. 960175
  29. 132
  30. 8360
  31. 957390
  32. 10944
  33. 958152
  34. 72
  35. 8835
  36. 81
  37. 64
  38. 1004853
  39. 955500
  40. 42

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