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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 895 · 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. 1.631 × 9 =
  2. 2.277 × 4 =
  3. 3.717 × 4 =
  4. 4.436 × 5 =
  5. 5.181 × 7 =
  6. 6.219 × 5 =
  7. 7.602 × 9 =
  8. 8.513 × 4 =
  9. 9.232 × 4 =
  10. 10.732 × 5 =
  11. 11.564 × 9 =
  12. 12.441 × 6 =
  13. 13.292 × 8 =
  14. 14.312 × 6 =
  15. 15.491 × 6 =
  16. 16.365 × 5 =
  17. 17.782 × 9 =
  18. 18.193 × 7 =
  19. 19.594 × 8 =
  20. 20.729 × 3 =
  21. 21.394 × 7 =
  22. 22.196 × 3 =
  23. 23.951 × 5 =
  24. 24.134 × 6 =
  25. 25.767 × 5 =
  26. 26.224 × 3 =
  27. 27.173 × 7 =
  28. 28.428 × 7 =
  29. 29.471 × 8 =
  30. 30.264 × 3 =
  31. 31.796 × 8 =
  32. 32.299 × 7 =
  33. 33.255 × 3 =
  34. 34.345 × 7 =
  35. 35.492 × 4 =
  36. 36.566 × 6 =
  37. 37.141 × 6 =
  38. 38.217 × 5 =
  39. 39.271 × 6 =
  40. 40.344 × 8 =

Answer key

  1. 5679
  2. 1108
  3. 2868
  4. 2180
  5. 1267
  6. 1095
  7. 5418
  8. 2052
  9. 928
  10. 3660
  11. 5076
  12. 2646
  13. 2336
  14. 1872
  15. 2946
  16. 1825
  17. 7038
  18. 1351
  19. 4752
  20. 2187
  21. 2758
  22. 588
  23. 4755
  24. 804
  25. 3835
  26. 672
  27. 1211
  28. 2996
  29. 3768
  30. 792
  31. 6368
  32. 2093
  33. 765
  34. 2415
  35. 1968
  36. 3396
  37. 846
  38. 1085
  39. 1626
  40. 2752

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