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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 74 · 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. 1.693 × 3 =
  2. 2.906 × 5 =
  3. 3.273 × 7 =
  4. 4.904 × 4 =
  5. 5.308 × 8 =
  6. 6.957 × 7 =
  7. 7.202 × 7 =
  8. 8.185 × 8 =
  9. 9.677 × 7 =
  10. 10.638 × 6 =
  11. 11.599 × 7 =
  12. 12.986 × 3 =
  13. 13.223 × 4 =
  14. 14.267 × 6 =
  15. 15.431 × 6 =
  16. 16.211 × 5 =
  17. 17.148 × 4 =
  18. 18.709 × 3 =
  19. 19.335 × 5 =
  20. 20.345 × 6 =
  21. 21.239 × 7 =
  22. 22.955 × 8 =
  23. 23.638 × 4 =
  24. 24.236 × 5 =
  25. 25.715 × 3 =
  26. 26.351 × 3 =
  27. 27.281 × 5 =
  28. 28.295 × 6 =
  29. 29.893 × 7 =
  30. 30.476 × 5 =
  31. 31.295 × 5 =
  32. 32.619 × 6 =
  33. 33.624 × 9 =
  34. 34.194 × 6 =
  35. 35.916 × 8 =
  36. 36.169 × 9 =
  37. 37.597 × 9 =
  38. 38.177 × 4 =
  39. 39.697 × 6 =
  40. 40.212 × 8 =

Answer key

  1. 2079
  2. 4530
  3. 1911
  4. 3616
  5. 2464
  6. 6699
  7. 1414
  8. 1480
  9. 4739
  10. 3828
  11. 4193
  12. 2958
  13. 892
  14. 1602
  15. 2586
  16. 1055
  17. 592
  18. 2127
  19. 1675
  20. 2070
  21. 1673
  22. 7640
  23. 2552
  24. 1180
  25. 2145
  26. 1053
  27. 1405
  28. 1770
  29. 6251
  30. 2380
  31. 1475
  32. 3714
  33. 5616
  34. 1164
  35. 7328
  36. 1521
  37. 5373
  38. 708
  39. 4182
  40. 1696

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