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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 494 · 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. 1.443 × 6 =
  2. 2.269 × 9 =
  3. 3.194 × 8 =
  4. 4.191 × 8 =
  5. 5.603 × 8 =
  6. 6.151 × 9 =
  7. 7.647 × 3 =
  8. 8.966 × 5 =
  9. 9.981 × 4 =
  10. 10.597 × 7 =
  11. 11.822 × 4 =
  12. 12.329 × 4 =
  13. 13.174 × 6 =
  14. 14.196 × 6 =
  15. 15.569 × 3 =
  16. 16.979 × 8 =
  17. 17.665 × 6 =
  18. 18.976 × 7 =
  19. 19.361 × 9 =
  20. 20.833 × 5 =
  21. 21.656 × 5 =
  22. 22.125 × 3 =
  23. 23.836 × 4 =
  24. 24.787 × 6 =
  25. 25.735 × 5 =
  26. 26.423 × 9 =
  27. 27.357 × 4 =
  28. 28.926 × 8 =
  29. 29.253 × 3 =
  30. 30.924 × 9 =
  31. 31.713 × 5 =
  32. 32.884 × 6 =
  33. 33.454 × 4 =
  34. 34.563 × 7 =
  35. 35.156 × 5 =
  36. 36.983 × 3 =
  37. 37.159 × 8 =
  38. 38.281 × 5 =
  39. 39.936 × 6 =
  40. 40.193 × 6 =

Answer key

  1. 2658
  2. 2421
  3. 1552
  4. 1528
  5. 4824
  6. 1359
  7. 1941
  8. 4830
  9. 3924
  10. 4179
  11. 3288
  12. 1316
  13. 1044
  14. 1176
  15. 1707
  16. 7832
  17. 3990
  18. 6832
  19. 3249
  20. 4165
  21. 3280
  22. 375
  23. 3344
  24. 4722
  25. 3675
  26. 3807
  27. 1428
  28. 7408
  29. 759
  30. 8316
  31. 3565
  32. 5304
  33. 1816
  34. 3941
  35. 780
  36. 2949
  37. 1272
  38. 1405
  39. 5616
  40. 1158

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