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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 680 · 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. 1.776 × 9 =
  2. 2.766 × 9 =
  3. 3.438 × 4 =
  4. 4.337 × 5 =
  5. 5.353 × 9 =
  6. 6.903 × 9 =
  7. 7.386 × 7 =
  8. 8.521 × 5 =
  9. 9.952 × 7 =
  10. 10.225 × 5 =
  11. 11.255 × 5 =
  12. 12.945 × 7 =
  13. 13.596 × 5 =
  14. 14.161 × 6 =
  15. 15.448 × 8 =
  16. 16.416 × 7 =
  17. 17.396 × 3 =
  18. 18.142 × 6 =
  19. 19.257 × 4 =
  20. 20.936 × 6 =
  21. 21.669 × 5 =
  22. 22.935 × 4 =
  23. 23.744 × 6 =
  24. 24.448 × 5 =
  25. 25.154 × 9 =
  26. 26.865 × 8 =
  27. 27.394 × 3 =
  28. 28.444 × 5 =
  29. 29.477 × 3 =
  30. 30.233 × 9 =
  31. 31.651 × 9 =
  32. 32.626 × 3 =
  33. 33.601 × 9 =
  34. 34.932 × 5 =
  35. 35.857 × 4 =
  36. 36.376 × 6 =
  37. 37.941 × 7 =
  38. 38.841 × 9 =
  39. 39.357 × 5 =
  40. 40.344 × 8 =

Answer key

  1. 6984
  2. 6894
  3. 1752
  4. 1685
  5. 3177
  6. 8127
  7. 2702
  8. 2605
  9. 6664
  10. 1125
  11. 1275
  12. 6615
  13. 2980
  14. 966
  15. 3584
  16. 2912
  17. 1188
  18. 852
  19. 1028
  20. 5616
  21. 3345
  22. 3740
  23. 4464
  24. 2240
  25. 1386
  26. 6920
  27. 1182
  28. 2220
  29. 1431
  30. 2097
  31. 5859
  32. 1878
  33. 5409
  34. 4660
  35. 3428
  36. 2256
  37. 6587
  38. 7569
  39. 1785
  40. 2752

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