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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 475 · 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. 1.891 × 6 =
  2. 2.305 × 9 =
  3. 3.454 × 4 =
  4. 4.682 × 3 =
  5. 5.259 × 8 =
  6. 6.723 × 9 =
  7. 7.412 × 6 =
  8. 8.219 × 8 =
  9. 9.271 × 9 =
  10. 10.851 × 3 =
  11. 11.593 × 3 =
  12. 12.128 × 4 =
  13. 13.122 × 4 =
  14. 14.225 × 3 =
  15. 15.773 × 6 =
  16. 16.226 × 3 =
  17. 17.583 × 8 =
  18. 18.578 × 9 =
  19. 19.743 × 4 =
  20. 20.848 × 5 =
  21. 21.321 × 7 =
  22. 22.826 × 7 =
  23. 23.837 × 6 =
  24. 24.181 × 5 =
  25. 25.667 × 4 =
  26. 26.712 × 8 =
  27. 27.617 × 6 =
  28. 28.491 × 4 =
  29. 29.841 × 5 =
  30. 30.281 × 3 =
  31. 31.432 × 7 =
  32. 32.886 × 7 =
  33. 33.207 × 6 =
  34. 34.332 × 6 =
  35. 35.141 × 8 =
  36. 36.238 × 8 =
  37. 37.884 × 5 =
  38. 38.253 × 8 =
  39. 39.857 × 8 =
  40. 40.462 × 6 =

Answer key

  1. 5346
  2. 2745
  3. 1816
  4. 2046
  5. 2072
  6. 6507
  7. 2472
  8. 1752
  9. 2439
  10. 2553
  11. 1779
  12. 512
  13. 488
  14. 675
  15. 4638
  16. 678
  17. 4664
  18. 5202
  19. 2972
  20. 4240
  21. 2247
  22. 5782
  23. 5022
  24. 905
  25. 2668
  26. 5696
  27. 3702
  28. 1964
  29. 4205
  30. 843
  31. 3024
  32. 6202
  33. 1242
  34. 1992
  35. 1128
  36. 1904
  37. 4420
  38. 2024
  39. 6856
  40. 2772

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