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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 97 · 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. 1.941 × 4 =
  2. 2.146 × 6 =
  3. 3.721 × 5 =
  4. 4.128 × 5 =
  5. 5.564 × 4 =
  6. 6.161 × 7 =
  7. 7.249 × 3 =
  8. 8.434 × 4 =
  9. 9.392 × 9 =
  10. 10.225 × 6 =
  11. 11.476 × 3 =
  12. 12.349 × 9 =
  13. 13.491 × 6 =
  14. 14.514 × 3 =
  15. 15.462 × 3 =
  16. 16.878 × 7 =
  17. 17.598 × 4 =
  18. 18.648 × 3 =
  19. 19.824 × 7 =
  20. 20.541 × 3 =
  21. 21.675 × 7 =
  22. 22.182 × 4 =
  23. 23.356 × 4 =
  24. 24.838 × 6 =
  25. 25.212 × 3 =
  26. 26.548 × 4 =
  27. 27.679 × 7 =
  28. 28.311 × 9 =
  29. 29.303 × 4 =
  30. 30.724 × 6 =
  31. 31.276 × 7 =
  32. 32.301 × 9 =
  33. 33.492 × 4 =
  34. 34.261 × 9 =
  35. 35.581 × 8 =
  36. 36.201 × 8 =
  37. 37.258 × 3 =
  38. 38.687 × 5 =
  39. 39.879 × 6 =
  40. 40.481 × 7 =

Answer key

  1. 3764
  2. 876
  3. 3605
  4. 640
  5. 2256
  6. 1127
  7. 747
  8. 1736
  9. 3528
  10. 1350
  11. 1428
  12. 3141
  13. 2946
  14. 1542
  15. 1386
  16. 6146
  17. 2392
  18. 1944
  19. 5768
  20. 1623
  21. 4725
  22. 728
  23. 1424
  24. 5028
  25. 636
  26. 2192
  27. 4753
  28. 2799
  29. 1212
  30. 4344
  31. 1932
  32. 2709
  33. 1968
  34. 2349
  35. 4648
  36. 1608
  37. 774
  38. 3435
  39. 5274
  40. 3367

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