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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 705 · 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. 1.324 × 7 =
  2. 2.981 × 5 =
  3. 3.566 × 6 =
  4. 4.957 × 6 =
  5. 5.208 × 8 =
  6. 6.256 × 9 =
  7. 7.579 × 6 =
  8. 8.679 × 5 =
  9. 9.772 × 8 =
  10. 10.917 × 6 =
  11. 11.916 × 7 =
  12. 12.451 × 5 =
  13. 13.481 × 5 =
  14. 14.278 × 5 =
  15. 15.146 × 3 =
  16. 16.404 × 3 =
  17. 17.882 × 5 =
  18. 18.239 × 6 =
  19. 19.265 × 3 =
  20. 20.519 × 3 =
  21. 21.652 × 7 =
  22. 22.456 × 8 =
  23. 23.597 × 9 =
  24. 24.684 × 8 =
  25. 25.757 × 4 =
  26. 26.857 × 7 =
  27. 27.572 × 6 =
  28. 28.949 × 7 =
  29. 29.774 × 8 =
  30. 30.129 × 5 =
  31. 31.913 × 7 =
  32. 32.132 × 6 =
  33. 33.639 × 7 =
  34. 34.257 × 8 =
  35. 35.188 × 7 =
  36. 36.336 × 4 =
  37. 37.296 × 3 =
  38. 38.611 × 8 =
  39. 39.559 × 7 =
  40. 40.664 × 7 =

Answer key

  1. 2268
  2. 4905
  3. 3396
  4. 5742
  5. 1664
  6. 2304
  7. 3474
  8. 3395
  9. 6176
  10. 5502
  11. 6412
  12. 2255
  13. 2405
  14. 1390
  15. 438
  16. 1212
  17. 4410
  18. 1434
  19. 795
  20. 1557
  21. 4564
  22. 3648
  23. 5373
  24. 5472
  25. 3028
  26. 5999
  27. 3432
  28. 6643
  29. 6192
  30. 645
  31. 6391
  32. 792
  33. 4473
  34. 2056
  35. 1316
  36. 1344
  37. 888
  38. 4888
  39. 3913
  40. 4648

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