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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 521 · 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. 1.962 × 7 =
  2. 2.231 × 6 =
  3. 3.451 × 8 =
  4. 4.523 × 4 =
  5. 5.726 × 4 =
  6. 6.473 × 7 =
  7. 7.267 × 4 =
  8. 8.196 × 7 =
  9. 9.384 × 5 =
  10. 10.169 × 6 =
  11. 11.231 × 3 =
  12. 12.426 × 9 =
  13. 13.139 × 8 =
  14. 14.901 × 7 =
  15. 15.174 × 3 =
  16. 16.865 × 7 =
  17. 17.246 × 9 =
  18. 18.887 × 8 =
  19. 19.749 × 4 =
  20. 20.168 × 6 =
  21. 21.715 × 6 =
  22. 22.154 × 4 =
  23. 23.664 × 8 =
  24. 24.227 × 4 =
  25. 25.922 × 8 =
  26. 26.282 × 3 =
  27. 27.584 × 6 =
  28. 28.351 × 5 =
  29. 29.174 × 5 =
  30. 30.813 × 5 =
  31. 31.642 × 9 =
  32. 32.808 × 3 =
  33. 33.171 × 4 =
  34. 34.551 × 9 =
  35. 35.357 × 7 =
  36. 36.327 × 9 =
  37. 37.911 × 5 =
  38. 38.684 × 9 =
  39. 39.839 × 5 =
  40. 40.891 × 8 =

Answer key

  1. 6734
  2. 1386
  3. 3608
  4. 2092
  5. 2904
  6. 3311
  7. 1068
  8. 1372
  9. 1920
  10. 1014
  11. 693
  12. 3834
  13. 1112
  14. 6307
  15. 522
  16. 6055
  17. 2214
  18. 7096
  19. 2996
  20. 1008
  21. 4290
  22. 616
  23. 5312
  24. 908
  25. 7376
  26. 846
  27. 3504
  28. 1755
  29. 870
  30. 4065
  31. 5778
  32. 2424
  33. 684
  34. 4959
  35. 2499
  36. 2943
  37. 4555
  38. 6156
  39. 4195
  40. 7128

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