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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 741 · 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. 1.699 × 4 =
  2. 2.348 × 4 =
  3. 3.271 × 5 =
  4. 4.875 × 4 =
  5. 5.901 × 7 =
  6. 6.119 × 6 =
  7. 7.837 × 3 =
  8. 8.502 × 8 =
  9. 9.672 × 4 =
  10. 10.855 × 7 =
  11. 11.751 × 5 =
  12. 12.743 × 7 =
  13. 13.622 × 3 =
  14. 14.868 × 6 =
  15. 15.442 × 3 =
  16. 16.293 × 6 =
  17. 17.964 × 9 =
  18. 18.878 × 9 =
  19. 19.587 × 3 =
  20. 20.427 × 7 =
  21. 21.633 × 6 =
  22. 22.513 × 7 =
  23. 23.368 × 7 =
  24. 24.872 × 6 =
  25. 25.321 × 9 =
  26. 26.486 × 6 =
  27. 27.389 × 8 =
  28. 28.125 × 6 =
  29. 29.314 × 5 =
  30. 30.301 × 9 =
  31. 31.195 × 4 =
  32. 32.518 × 4 =
  33. 33.319 × 5 =
  34. 34.547 × 6 =
  35. 35.256 × 7 =
  36. 36.787 × 4 =
  37. 37.335 × 7 =
  38. 38.926 × 6 =
  39. 39.909 × 9 =
  40. 40.551 × 7 =

Answer key

  1. 2796
  2. 1392
  3. 1355
  4. 3500
  5. 6307
  6. 714
  7. 2511
  8. 4016
  9. 2688
  10. 5985
  11. 3755
  12. 5201
  13. 1866
  14. 5208
  15. 1326
  16. 1758
  17. 8676
  18. 7902
  19. 1761
  20. 2989
  21. 3798
  22. 3591
  23. 2576
  24. 5232
  25. 2889
  26. 2916
  27. 3112
  28. 750
  29. 1570
  30. 2709
  31. 780
  32. 2072
  33. 1595
  34. 3282
  35. 1792
  36. 3148
  37. 2345
  38. 5556
  39. 8181
  40. 3857

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