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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 892 · 40 questions
TalentJR

How to do it in your head (Biggest part first): Split the 3-digit number into hundreds, tens and ones. Multiply the hundreds and keep that number in your head. Multiply the tens and add, then multiply the ones and add.

NameDateTime takenScore ___ / 40
  1. 1.586 × 4 =
  2. 2.671 × 7 =
  3. 3.373 × 7 =
  4. 4.439 × 8 =
  5. 5.453 × 4 =
  6. 6.871 × 8 =
  7. 7.257 × 4 =
  8. 8.361 × 3 =
  9. 9.265 × 9 =
  10. 10.384 × 9 =
  11. 11.112 × 6 =
  12. 12.761 × 6 =
  13. 13.355 × 4 =
  14. 14.177 × 9 =
  15. 15.293 × 5 =
  16. 16.234 × 6 =
  17. 17.288 × 7 =
  18. 18.468 × 7 =
  19. 19.544 × 4 =
  20. 20.259 × 5 =
  21. 21.656 × 3 =
  22. 22.137 × 5 =
  23. 23.349 × 6 =
  24. 24.691 × 9 =
  25. 25.223 × 4 =
  26. 26.881 × 6 =
  27. 27.969 × 5 =
  28. 28.374 × 5 =
  29. 29.363 × 9 =
  30. 30.607 × 4 =
  31. 31.746 × 7 =
  32. 32.984 × 6 =
  33. 33.444 × 9 =
  34. 34.271 × 5 =
  35. 35.468 × 8 =
  36. 36.679 × 8 =
  37. 37.896 × 6 =
  38. 38.149 × 7 =
  39. 39.817 × 5 =
  40. 40.684 × 4 =

Answer key

  1. 2344
  2. 4697
  3. 2611
  4. 3512
  5. 1812
  6. 6968
  7. 1028
  8. 1083
  9. 2385
  10. 3456
  11. 672
  12. 4566
  13. 1420
  14. 1593
  15. 1465
  16. 1404
  17. 2016
  18. 3276
  19. 2176
  20. 1295
  21. 1968
  22. 685
  23. 2094
  24. 6219
  25. 892
  26. 5286
  27. 4845
  28. 1870
  29. 3267
  30. 2428
  31. 5222
  32. 5904
  33. 3996
  34. 1355
  35. 3744
  36. 5432
  37. 5376
  38. 1043
  39. 4085
  40. 2736

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