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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 798 · 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. 1.793 × 6 =
  2. 2.887 × 5 =
  3. 3.201 × 6 =
  4. 4.472 × 8 =
  5. 5.816 × 6 =
  6. 6.216 × 7 =
  7. 7.731 × 9 =
  8. 8.311 × 9 =
  9. 9.171 × 9 =
  10. 10.845 × 7 =
  11. 11.627 × 3 =
  12. 12.741 × 4 =
  13. 13.857 × 9 =
  14. 14.471 × 4 =
  15. 15.385 × 4 =
  16. 16.859 × 6 =
  17. 17.611 × 3 =
  18. 18.428 × 4 =
  19. 19.672 × 4 =
  20. 20.919 × 4 =
  21. 21.621 × 8 =
  22. 22.253 × 3 =
  23. 23.171 × 8 =
  24. 24.678 × 3 =
  25. 25.161 × 8 =
  26. 26.321 × 9 =
  27. 27.286 × 7 =
  28. 28.883 × 3 =
  29. 29.686 × 9 =
  30. 30.484 × 4 =
  31. 31.688 × 6 =
  32. 32.935 × 9 =
  33. 33.391 × 5 =
  34. 34.153 × 7 =
  35. 35.557 × 4 =
  36. 36.362 × 8 =
  37. 37.571 × 5 =
  38. 38.324 × 6 =
  39. 39.275 × 5 =
  40. 40.518 × 4 =

Answer key

  1. 4758
  2. 4435
  3. 1206
  4. 3776
  5. 4896
  6. 1512
  7. 6579
  8. 2799
  9. 1539
  10. 5915
  11. 1881
  12. 2964
  13. 7713
  14. 1884
  15. 1540
  16. 5154
  17. 1833
  18. 1712
  19. 2688
  20. 3676
  21. 4968
  22. 759
  23. 1368
  24. 2034
  25. 1288
  26. 2889
  27. 2002
  28. 2649
  29. 6174
  30. 1936
  31. 4128
  32. 8415
  33. 1955
  34. 1071
  35. 2228
  36. 2896
  37. 2855
  38. 1944
  39. 1375
  40. 2072

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