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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 480 · 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. 1.277 × 3 =
  2. 2.579 × 4 =
  3. 3.976 × 4 =
  4. 4.421 × 9 =
  5. 5.261 × 6 =
  6. 6.412 × 9 =
  7. 7.507 × 6 =
  8. 8.301 × 7 =
  9. 9.571 × 5 =
  10. 10.146 × 4 =
  11. 11.728 × 7 =
  12. 12.989 × 9 =
  13. 13.258 × 3 =
  14. 14.989 × 7 =
  15. 15.732 × 4 =
  16. 16.407 × 8 =
  17. 17.476 × 9 =
  18. 18.506 × 9 =
  19. 19.961 × 3 =
  20. 20.985 × 4 =
  21. 21.795 × 8 =
  22. 22.964 × 7 =
  23. 23.473 × 9 =
  24. 24.185 × 7 =
  25. 25.316 × 4 =
  26. 26.115 × 6 =
  27. 27.284 × 5 =
  28. 28.785 × 7 =
  29. 29.375 × 7 =
  30. 30.901 × 3 =
  31. 31.745 × 3 =
  32. 32.393 × 4 =
  33. 33.468 × 9 =
  34. 34.561 × 3 =
  35. 35.527 × 8 =
  36. 36.988 × 8 =
  37. 37.649 × 5 =
  38. 38.885 × 4 =
  39. 39.359 × 3 =
  40. 40.469 × 4 =

Answer key

  1. 831
  2. 2316
  3. 3904
  4. 3789
  5. 1566
  6. 3708
  7. 3042
  8. 2107
  9. 2855
  10. 584
  11. 5096
  12. 8901
  13. 774
  14. 6923
  15. 2928
  16. 3256
  17. 4284
  18. 4554
  19. 2883
  20. 3940
  21. 6360
  22. 6748
  23. 4257
  24. 1295
  25. 1264
  26. 690
  27. 1420
  28. 5495
  29. 2625
  30. 2703
  31. 2235
  32. 1572
  33. 4212
  34. 1683
  35. 4216
  36. 7904
  37. 3245
  38. 3540
  39. 1077
  40. 1876

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