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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 672 · 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. 1.877 × 6 =
  2. 2.151 × 4 =
  3. 3.361 × 4 =
  4. 4.317 × 4 =
  5. 5.692 × 6 =
  6. 6.128 × 3 =
  7. 7.474 × 4 =
  8. 8.671 × 7 =
  9. 9.332 × 8 =
  10. 10.898 × 7 =
  11. 11.193 × 5 =
  12. 12.668 × 5 =
  13. 13.722 × 4 =
  14. 14.904 × 3 =
  15. 15.789 × 4 =
  16. 16.264 × 8 =
  17. 17.852 × 7 =
  18. 18.636 × 9 =
  19. 19.561 × 8 =
  20. 20.698 × 5 =
  21. 21.492 × 3 =
  22. 22.345 × 4 =
  23. 23.131 × 7 =
  24. 24.609 × 9 =
  25. 25.239 × 3 =
  26. 26.255 × 4 =
  27. 27.892 × 7 =
  28. 28.182 × 3 =
  29. 29.642 × 5 =
  30. 30.573 × 3 =
  31. 31.786 × 4 =
  32. 32.538 × 4 =
  33. 33.891 × 6 =
  34. 34.335 × 6 =
  35. 35.651 × 8 =
  36. 36.677 × 7 =
  37. 37.249 × 4 =
  38. 38.372 × 5 =
  39. 39.449 × 4 =
  40. 40.902 × 6 =

Answer key

  1. 5262
  2. 604
  3. 1444
  4. 1268
  5. 4152
  6. 384
  7. 1896
  8. 4697
  9. 2656
  10. 6286
  11. 965
  12. 3340
  13. 2888
  14. 2712
  15. 3156
  16. 2112
  17. 5964
  18. 5724
  19. 4488
  20. 3490
  21. 1476
  22. 1380
  23. 917
  24. 5481
  25. 717
  26. 1020
  27. 6244
  28. 546
  29. 3210
  30. 1719
  31. 3144
  32. 2152
  33. 5346
  34. 2010
  35. 5208
  36. 4739
  37. 996
  38. 1860
  39. 1796
  40. 5412

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