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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 366 · 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. 1.291 × 6 =
  2. 2.856 × 9 =
  3. 3.201 × 8 =
  4. 4.285 × 3 =
  5. 5.755 × 3 =
  6. 6.153 × 7 =
  7. 7.309 × 4 =
  8. 8.206 × 6 =
  9. 9.697 × 3 =
  10. 10.875 × 5 =
  11. 11.366 × 7 =
  12. 12.351 × 9 =
  13. 13.365 × 5 =
  14. 14.726 × 3 =
  15. 15.332 × 6 =
  16. 16.744 × 6 =
  17. 17.185 × 4 =
  18. 18.155 × 8 =
  19. 19.771 × 4 =
  20. 20.683 × 6 =
  21. 21.734 × 3 =
  22. 22.666 × 7 =
  23. 23.722 × 4 =
  24. 24.705 × 5 =
  25. 25.633 × 9 =
  26. 26.119 × 6 =
  27. 27.283 × 4 =
  28. 28.554 × 6 =
  29. 29.272 × 4 =
  30. 30.547 × 3 =
  31. 31.952 × 3 =
  32. 32.952 × 6 =
  33. 33.132 × 6 =
  34. 34.671 × 7 =
  35. 35.339 × 3 =
  36. 36.125 × 9 =
  37. 37.348 × 5 =
  38. 38.942 × 7 =
  39. 39.872 × 5 =
  40. 40.429 × 5 =

Answer key

  1. 1746
  2. 7704
  3. 1608
  4. 855
  5. 2265
  6. 1071
  7. 1236
  8. 1236
  9. 2091
  10. 4375
  11. 2562
  12. 3159
  13. 1825
  14. 2178
  15. 1992
  16. 4464
  17. 740
  18. 1240
  19. 3084
  20. 4098
  21. 2202
  22. 4662
  23. 2888
  24. 3525
  25. 5697
  26. 714
  27. 1132
  28. 3324
  29. 1088
  30. 1641
  31. 2856
  32. 5712
  33. 792
  34. 4697
  35. 1017
  36. 1125
  37. 1740
  38. 6594
  39. 4360
  40. 2145

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