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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 118 · 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. 1.681 × 3 =
  2. 2.738 × 8 =
  3. 3.721 × 8 =
  4. 4.477 × 9 =
  5. 5.711 × 7 =
  6. 6.803 × 4 =
  7. 7.303 × 9 =
  8. 8.726 × 3 =
  9. 9.445 × 6 =
  10. 10.439 × 8 =
  11. 11.802 × 6 =
  12. 12.691 × 7 =
  13. 13.391 × 5 =
  14. 14.721 × 7 =
  15. 15.194 × 9 =
  16. 16.303 × 8 =
  17. 17.341 × 3 =
  18. 18.324 × 5 =
  19. 19.199 × 4 =
  20. 20.216 × 7 =
  21. 21.914 × 4 =
  22. 22.905 × 4 =
  23. 23.173 × 3 =
  24. 24.521 × 5 =
  25. 25.457 × 4 =
  26. 26.786 × 3 =
  27. 27.772 × 4 =
  28. 28.376 × 8 =
  29. 29.841 × 9 =
  30. 30.583 × 7 =
  31. 31.433 × 3 =
  32. 32.632 × 5 =
  33. 33.579 × 4 =
  34. 34.982 × 3 =
  35. 35.267 × 3 =
  36. 36.918 × 4 =
  37. 37.407 × 5 =
  38. 38.498 × 5 =
  39. 39.503 × 8 =
  40. 40.468 × 6 =

Answer key

  1. 2043
  2. 5904
  3. 5768
  4. 4293
  5. 4977
  6. 3212
  7. 2727
  8. 2178
  9. 2670
  10. 3512
  11. 4812
  12. 4837
  13. 1955
  14. 5047
  15. 1746
  16. 2424
  17. 1023
  18. 1620
  19. 796
  20. 1512
  21. 3656
  22. 3620
  23. 519
  24. 2605
  25. 1828
  26. 2358
  27. 3088
  28. 3008
  29. 7569
  30. 4081
  31. 1299
  32. 3160
  33. 2316
  34. 2946
  35. 801
  36. 3672
  37. 2035
  38. 2490
  39. 4024
  40. 2808

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