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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 441 · 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. 1.634 × 4 =
  2. 2.242 × 8 =
  3. 3.447 × 4 =
  4. 4.842 × 6 =
  5. 5.275 × 8 =
  6. 6.696 × 4 =
  7. 7.355 × 8 =
  8. 8.248 × 4 =
  9. 9.271 × 8 =
  10. 10.739 × 8 =
  11. 11.681 × 4 =
  12. 12.268 × 9 =
  13. 13.241 × 5 =
  14. 14.569 × 8 =
  15. 15.175 × 9 =
  16. 16.314 × 6 =
  17. 17.578 × 9 =
  18. 18.167 × 4 =
  19. 19.428 × 4 =
  20. 20.572 × 4 =
  21. 21.963 × 6 =
  22. 22.208 × 8 =
  23. 23.294 × 9 =
  24. 24.774 × 9 =
  25. 25.399 × 3 =
  26. 26.726 × 9 =
  27. 27.841 × 6 =
  28. 28.855 × 9 =
  29. 29.365 × 7 =
  30. 30.803 × 4 =
  31. 31.266 × 4 =
  32. 32.218 × 5 =
  33. 33.676 × 8 =
  34. 34.491 × 7 =
  35. 35.987 × 7 =
  36. 36.841 × 5 =
  37. 37.913 × 5 =
  38. 38.258 × 3 =
  39. 39.826 × 6 =
  40. 40.226 × 6 =

Answer key

  1. 2536
  2. 1936
  3. 1788
  4. 5052
  5. 2200
  6. 2784
  7. 2840
  8. 992
  9. 2168
  10. 5912
  11. 2724
  12. 2412
  13. 1205
  14. 4552
  15. 1575
  16. 1884
  17. 5202
  18. 668
  19. 1712
  20. 2288
  21. 5778
  22. 1664
  23. 2646
  24. 6966
  25. 1197
  26. 6534
  27. 5046
  28. 7695
  29. 2555
  30. 3212
  31. 1064
  32. 1090
  33. 5408
  34. 3437
  35. 6909
  36. 4205
  37. 4565
  38. 774
  39. 4956
  40. 1356

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