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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 734 · 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. 1.677 × 7 =
  2. 2.302 × 7 =
  3. 3.753 × 4 =
  4. 4.172 × 8 =
  5. 5.712 × 8 =
  6. 6.558 × 5 =
  7. 7.846 × 8 =
  8. 8.437 × 8 =
  9. 9.541 × 9 =
  10. 10.601 × 3 =
  11. 11.488 × 4 =
  12. 12.114 × 4 =
  13. 13.257 × 8 =
  14. 14.956 × 4 =
  15. 15.696 × 7 =
  16. 16.427 × 4 =
  17. 17.951 × 4 =
  18. 18.186 × 4 =
  19. 19.938 × 3 =
  20. 20.191 × 6 =
  21. 21.814 × 5 =
  22. 22.685 × 8 =
  23. 23.121 × 9 =
  24. 24.488 × 6 =
  25. 25.237 × 3 =
  26. 26.918 × 5 =
  27. 27.796 × 6 =
  28. 28.732 × 9 =
  29. 29.277 × 5 =
  30. 30.261 × 9 =
  31. 31.231 × 8 =
  32. 32.648 × 8 =
  33. 33.352 × 4 =
  34. 34.331 × 8 =
  35. 35.461 × 3 =
  36. 36.941 × 9 =
  37. 37.236 × 4 =
  38. 38.322 × 8 =
  39. 39.553 × 5 =
  40. 40.646 × 5 =

Answer key

  1. 4739
  2. 2114
  3. 3012
  4. 1376
  5. 5696
  6. 2790
  7. 6768
  8. 3496
  9. 4869
  10. 1803
  11. 1952
  12. 456
  13. 2056
  14. 3824
  15. 4872
  16. 1708
  17. 3804
  18. 744
  19. 2814
  20. 1146
  21. 4070
  22. 5480
  23. 1089
  24. 2928
  25. 711
  26. 4590
  27. 4776
  28. 6588
  29. 1385
  30. 2349
  31. 1848
  32. 5184
  33. 1408
  34. 2648
  35. 1383
  36. 8469
  37. 944
  38. 2576
  39. 2765
  40. 3230

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