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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 663 · 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. 1.344 × 9 =
  2. 2.948 × 4 =
  3. 3.584 × 5 =
  4. 4.712 × 4 =
  5. 5.633 × 3 =
  6. 6.655 × 9 =
  7. 7.249 × 8 =
  8. 8.179 × 4 =
  9. 9.157 × 3 =
  10. 10.665 × 4 =
  11. 11.225 × 7 =
  12. 12.282 × 5 =
  13. 13.914 × 9 =
  14. 14.772 × 9 =
  15. 15.122 × 8 =
  16. 16.525 × 8 =
  17. 17.511 × 7 =
  18. 18.417 × 3 =
  19. 19.804 × 7 =
  20. 20.195 × 7 =
  21. 21.708 × 6 =
  22. 22.911 × 7 =
  23. 23.738 × 3 =
  24. 24.616 × 6 =
  25. 25.523 × 5 =
  26. 26.206 × 6 =
  27. 27.139 × 5 =
  28. 28.583 × 5 =
  29. 29.522 × 4 =
  30. 30.282 × 4 =
  31. 31.481 × 6 =
  32. 32.832 × 3 =
  33. 33.155 × 7 =
  34. 34.187 × 6 =
  35. 35.603 × 5 =
  36. 36.852 × 6 =
  37. 37.917 × 8 =
  38. 38.854 × 6 =
  39. 39.323 × 7 =
  40. 40.122 × 6 =

Answer key

  1. 3096
  2. 3792
  3. 2920
  4. 2848
  5. 1899
  6. 5895
  7. 1992
  8. 716
  9. 471
  10. 2660
  11. 1575
  12. 1410
  13. 8226
  14. 6948
  15. 976
  16. 4200
  17. 3577
  18. 1251
  19. 5628
  20. 1365
  21. 4248
  22. 6377
  23. 2214
  24. 3696
  25. 2615
  26. 1236
  27. 695
  28. 2915
  29. 2088
  30. 1128
  31. 2886
  32. 2496
  33. 1085
  34. 1122
  35. 3015
  36. 5112
  37. 7336
  38. 5124
  39. 2261
  40. 732

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