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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 358 · 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. 1.273 × 4 =
  2. 2.286 × 3 =
  3. 3.615 × 5 =
  4. 4.469 × 6 =
  5. 5.244 × 4 =
  6. 6.141 × 7 =
  7. 7.367 × 4 =
  8. 8.185 × 4 =
  9. 9.264 × 6 =
  10. 10.351 × 9 =
  11. 11.121 × 9 =
  12. 12.124 × 7 =
  13. 13.909 × 6 =
  14. 14.304 × 8 =
  15. 15.695 × 4 =
  16. 16.137 × 4 =
  17. 17.964 × 5 =
  18. 18.219 × 7 =
  19. 19.254 × 7 =
  20. 20.336 × 7 =
  21. 21.125 × 7 =
  22. 22.558 × 3 =
  23. 23.917 × 8 =
  24. 24.634 × 8 =
  25. 25.199 × 4 =
  26. 26.224 × 3 =
  27. 27.366 × 7 =
  28. 28.492 × 8 =
  29. 29.391 × 6 =
  30. 30.167 × 6 =
  31. 31.156 × 6 =
  32. 32.277 × 7 =
  33. 33.953 × 3 =
  34. 34.263 × 3 =
  35. 35.731 × 4 =
  36. 36.306 × 8 =
  37. 37.372 × 9 =
  38. 38.141 × 5 =
  39. 39.395 × 6 =
  40. 40.691 × 4 =

Answer key

  1. 1092
  2. 858
  3. 3075
  4. 2814
  5. 976
  6. 987
  7. 1468
  8. 740
  9. 1584
  10. 3159
  11. 1089
  12. 868
  13. 5454
  14. 2432
  15. 2780
  16. 548
  17. 4820
  18. 1533
  19. 1778
  20. 2352
  21. 875
  22. 1674
  23. 7336
  24. 5072
  25. 796
  26. 672
  27. 2562
  28. 3936
  29. 2346
  30. 1002
  31. 936
  32. 1939
  33. 2859
  34. 789
  35. 2924
  36. 2448
  37. 3348
  38. 705
  39. 2370
  40. 2764

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