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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 807 · 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. 1.639 × 8 =
  2. 2.254 × 5 =
  3. 3.898 × 6 =
  4. 4.316 × 6 =
  5. 5.817 × 5 =
  6. 6.753 × 4 =
  7. 7.497 × 4 =
  8. 8.731 × 8 =
  9. 9.911 × 7 =
  10. 10.231 × 7 =
  11. 11.968 × 7 =
  12. 12.738 × 4 =
  13. 13.115 × 3 =
  14. 14.191 × 6 =
  15. 15.582 × 4 =
  16. 16.262 × 3 =
  17. 17.364 × 4 =
  18. 18.266 × 3 =
  19. 19.819 × 3 =
  20. 20.135 × 3 =
  21. 21.217 × 9 =
  22. 22.773 × 4 =
  23. 23.344 × 7 =
  24. 24.289 × 7 =
  25. 25.321 × 6 =
  26. 26.459 × 8 =
  27. 27.693 × 3 =
  28. 28.322 × 9 =
  29. 29.864 × 4 =
  30. 30.821 × 9 =
  31. 31.812 × 4 =
  32. 32.528 × 9 =
  33. 33.641 × 5 =
  34. 34.862 × 9 =
  35. 35.715 × 3 =
  36. 36.797 × 8 =
  37. 37.197 × 9 =
  38. 38.392 × 3 =
  39. 39.894 × 7 =
  40. 40.754 × 8 =

Answer key

  1. 5112
  2. 1270
  3. 5388
  4. 1896
  5. 4085
  6. 3012
  7. 1988
  8. 5848
  9. 6377
  10. 1617
  11. 6776
  12. 2952
  13. 345
  14. 1146
  15. 2328
  16. 786
  17. 1456
  18. 798
  19. 2457
  20. 405
  21. 1953
  22. 3092
  23. 2408
  24. 2023
  25. 1926
  26. 3672
  27. 2079
  28. 2898
  29. 3456
  30. 7389
  31. 3248
  32. 4752
  33. 3205
  34. 7758
  35. 2145
  36. 6376
  37. 1773
  38. 1176
  39. 6258
  40. 6032

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