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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 671 · 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. 1.365 × 6 =
  2. 2.182 × 5 =
  3. 3.849 × 4 =
  4. 4.147 × 4 =
  5. 5.201 × 6 =
  6. 6.803 × 7 =
  7. 7.511 × 8 =
  8. 8.191 × 8 =
  9. 9.689 × 8 =
  10. 10.308 × 8 =
  11. 11.394 × 9 =
  12. 12.568 × 3 =
  13. 13.698 × 6 =
  14. 14.655 × 9 =
  15. 15.825 × 4 =
  16. 16.117 × 8 =
  17. 17.671 × 4 =
  18. 18.231 × 6 =
  19. 19.676 × 6 =
  20. 20.712 × 8 =
  21. 21.385 × 8 =
  22. 22.737 × 5 =
  23. 23.259 × 9 =
  24. 24.202 × 6 =
  25. 25.365 × 3 =
  26. 26.288 × 9 =
  27. 27.117 × 3 =
  28. 28.579 × 3 =
  29. 29.779 × 4 =
  30. 30.691 × 4 =
  31. 31.835 × 8 =
  32. 32.609 × 4 =
  33. 33.792 × 8 =
  34. 34.293 × 7 =
  35. 35.293 × 5 =
  36. 36.765 × 7 =
  37. 37.959 × 7 =
  38. 38.594 × 5 =
  39. 39.735 × 8 =
  40. 40.244 × 5 =

Answer key

  1. 2190
  2. 910
  3. 3396
  4. 588
  5. 1206
  6. 5621
  7. 4088
  8. 1528
  9. 5512
  10. 2464
  11. 3546
  12. 1704
  13. 4188
  14. 5895
  15. 3300
  16. 936
  17. 2684
  18. 1386
  19. 4056
  20. 5696
  21. 3080
  22. 3685
  23. 2331
  24. 1212
  25. 1095
  26. 2592
  27. 351
  28. 1737
  29. 3116
  30. 2764
  31. 6680
  32. 2436
  33. 6336
  34. 2051
  35. 1465
  36. 5355
  37. 6713
  38. 2970
  39. 5880
  40. 1220

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