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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 630 · 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. 1.199 × 3 =
  2. 2.558 × 5 =
  3. 3.901 × 8 =
  4. 4.658 × 4 =
  5. 5.211 × 5 =
  6. 6.338 × 6 =
  7. 7.716 × 5 =
  8. 8.493 × 3 =
  9. 9.699 × 3 =
  10. 10.811 × 4 =
  11. 11.674 × 5 =
  12. 12.687 × 4 =
  13. 13.726 × 5 =
  14. 14.255 × 7 =
  15. 15.608 × 6 =
  16. 16.165 × 7 =
  17. 17.945 × 7 =
  18. 18.649 × 5 =
  19. 19.696 × 5 =
  20. 20.734 × 9 =
  21. 21.226 × 9 =
  22. 22.422 × 3 =
  23. 23.218 × 6 =
  24. 24.395 × 9 =
  25. 25.877 × 5 =
  26. 26.842 × 8 =
  27. 27.141 × 6 =
  28. 28.433 × 9 =
  29. 29.835 × 5 =
  30. 30.362 × 4 =
  31. 31.681 × 6 =
  32. 32.695 × 7 =
  33. 33.795 × 4 =
  34. 34.552 × 4 =
  35. 35.346 × 9 =
  36. 36.489 × 8 =
  37. 37.661 × 6 =
  38. 38.286 × 3 =
  39. 39.671 × 3 =
  40. 40.171 × 5 =

Answer key

  1. 597
  2. 2790
  3. 7208
  4. 2632
  5. 1055
  6. 2028
  7. 3580
  8. 1479
  9. 2097
  10. 3244
  11. 3370
  12. 2748
  13. 3630
  14. 1785
  15. 3648
  16. 1155
  17. 6615
  18. 3245
  19. 3480
  20. 6606
  21. 2034
  22. 1266
  23. 1308
  24. 3555
  25. 4385
  26. 6736
  27. 846
  28. 3897
  29. 4175
  30. 1448
  31. 4086
  32. 4865
  33. 3180
  34. 2208
  35. 3114
  36. 3912
  37. 3966
  38. 858
  39. 2013
  40. 855

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