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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 688 · 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. 1.799 × 3 =
  2. 2.481 × 3 =
  3. 3.334 × 4 =
  4. 4.393 × 9 =
  5. 5.288 × 3 =
  6. 6.706 × 4 =
  7. 7.301 × 7 =
  8. 8.866 × 4 =
  9. 9.742 × 6 =
  10. 10.381 × 6 =
  11. 11.331 × 3 =
  12. 12.239 × 4 =
  13. 13.241 × 9 =
  14. 14.958 × 7 =
  15. 15.429 × 6 =
  16. 16.261 × 5 =
  17. 17.206 × 3 =
  18. 18.354 × 3 =
  19. 19.189 × 3 =
  20. 20.669 × 4 =
  21. 21.791 × 5 =
  22. 22.587 × 5 =
  23. 23.391 × 5 =
  24. 24.514 × 9 =
  25. 25.952 × 6 =
  26. 26.338 × 4 =
  27. 27.867 × 5 =
  28. 28.307 × 9 =
  29. 29.696 × 3 =
  30. 30.888 × 5 =
  31. 31.611 × 5 =
  32. 32.557 × 3 =
  33. 33.578 × 5 =
  34. 34.323 × 3 =
  35. 35.439 × 3 =
  36. 36.816 × 7 =
  37. 37.339 × 7 =
  38. 38.213 × 9 =
  39. 39.124 × 5 =
  40. 40.423 × 3 =

Answer key

  1. 2397
  2. 1443
  3. 1336
  4. 3537
  5. 864
  6. 2824
  7. 2107
  8. 3464
  9. 4452
  10. 2286
  11. 993
  12. 956
  13. 2169
  14. 6706
  15. 2574
  16. 1305
  17. 618
  18. 1062
  19. 567
  20. 2676
  21. 3955
  22. 2935
  23. 1955
  24. 4626
  25. 5712
  26. 1352
  27. 4335
  28. 2763
  29. 2088
  30. 4440
  31. 3055
  32. 1671
  33. 2890
  34. 969
  35. 1317
  36. 5712
  37. 2373
  38. 1917
  39. 620
  40. 1269

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