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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 620 · 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. 1.488 × 3 =
  2. 2.585 × 6 =
  3. 3.843 × 4 =
  4. 4.291 × 6 =
  5. 5.568 × 9 =
  6. 6.442 × 4 =
  7. 7.612 × 5 =
  8. 8.151 × 3 =
  9. 9.966 × 4 =
  10. 10.427 × 4 =
  11. 11.715 × 3 =
  12. 12.787 × 9 =
  13. 13.356 × 3 =
  14. 14.601 × 7 =
  15. 15.888 × 8 =
  16. 16.421 × 3 =
  17. 17.719 × 4 =
  18. 18.416 × 4 =
  19. 19.354 × 4 =
  20. 20.751 × 4 =
  21. 21.636 × 7 =
  22. 22.749 × 3 =
  23. 23.791 × 8 =
  24. 24.389 × 7 =
  25. 25.693 × 7 =
  26. 26.837 × 8 =
  27. 27.988 × 4 =
  28. 28.452 × 8 =
  29. 29.161 × 6 =
  30. 30.545 × 8 =
  31. 31.401 × 4 =
  32. 32.288 × 4 =
  33. 33.781 × 8 =
  34. 34.205 × 7 =
  35. 35.918 × 4 =
  36. 36.481 × 7 =
  37. 37.358 × 9 =
  38. 38.573 × 4 =
  39. 39.985 × 6 =
  40. 40.501 × 4 =

Answer key

  1. 1464
  2. 3510
  3. 3372
  4. 1746
  5. 5112
  6. 1768
  7. 3060
  8. 453
  9. 3864
  10. 1708
  11. 2145
  12. 7083
  13. 1068
  14. 4207
  15. 7104
  16. 1263
  17. 2876
  18. 1664
  19. 1416
  20. 3004
  21. 4452
  22. 2247
  23. 6328
  24. 2723
  25. 4851
  26. 6696
  27. 3952
  28. 3616
  29. 966
  30. 4360
  31. 1604
  32. 1152
  33. 6248
  34. 1435
  35. 3672
  36. 3367
  37. 3222
  38. 2292
  39. 5910
  40. 2004

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