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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 482 · 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. 1.747 × 4 =
  2. 2.529 × 3 =
  3. 3.605 × 8 =
  4. 4.955 × 9 =
  5. 5.647 × 8 =
  6. 6.656 × 6 =
  7. 7.521 × 3 =
  8. 8.701 × 9 =
  9. 9.903 × 3 =
  10. 10.961 × 5 =
  11. 11.263 × 3 =
  12. 12.591 × 3 =
  13. 13.329 × 8 =
  14. 14.658 × 8 =
  15. 15.116 × 6 =
  16. 16.755 × 6 =
  17. 17.356 × 5 =
  18. 18.281 × 8 =
  19. 19.355 × 5 =
  20. 20.365 × 6 =
  21. 21.159 × 9 =
  22. 22.665 × 8 =
  23. 23.959 × 8 =
  24. 24.532 × 7 =
  25. 25.832 × 5 =
  26. 26.913 × 9 =
  27. 27.355 × 7 =
  28. 28.324 × 5 =
  29. 29.447 × 6 =
  30. 30.206 × 3 =
  31. 31.889 × 6 =
  32. 32.163 × 6 =
  33. 33.514 × 8 =
  34. 34.519 × 5 =
  35. 35.635 × 5 =
  36. 36.229 × 4 =
  37. 37.154 × 3 =
  38. 38.408 × 6 =
  39. 39.426 × 7 =
  40. 40.487 × 4 =

Answer key

  1. 2988
  2. 1587
  3. 4840
  4. 8595
  5. 5176
  6. 3936
  7. 1563
  8. 6309
  9. 2709
  10. 4805
  11. 789
  12. 1773
  13. 2632
  14. 5264
  15. 696
  16. 4530
  17. 1780
  18. 2248
  19. 1775
  20. 2190
  21. 1431
  22. 5320
  23. 7672
  24. 3724
  25. 4160
  26. 8217
  27. 2485
  28. 1620
  29. 2682
  30. 618
  31. 5334
  32. 978
  33. 4112
  34. 2595
  35. 3175
  36. 916
  37. 462
  38. 2448
  39. 2982
  40. 1948

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