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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 527 · 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. 1.909 × 7 =
  2. 2.214 × 3 =
  3. 3.446 × 6 =
  4. 4.176 × 8 =
  5. 5.637 × 9 =
  6. 6.167 × 5 =
  7. 7.825 × 8 =
  8. 8.837 × 5 =
  9. 9.924 × 5 =
  10. 10.338 × 7 =
  11. 11.867 × 8 =
  12. 12.589 × 6 =
  13. 13.121 × 7 =
  14. 14.255 × 7 =
  15. 15.136 × 7 =
  16. 16.922 × 7 =
  17. 17.177 × 6 =
  18. 18.729 × 7 =
  19. 19.823 × 7 =
  20. 20.814 × 3 =
  21. 21.289 × 9 =
  22. 22.231 × 3 =
  23. 23.496 × 3 =
  24. 24.565 × 4 =
  25. 25.547 × 6 =
  26. 26.118 × 9 =
  27. 27.603 × 7 =
  28. 28.874 × 4 =
  29. 29.516 × 7 =
  30. 30.941 × 8 =
  31. 31.937 × 6 =
  32. 32.272 × 7 =
  33. 33.686 × 3 =
  34. 34.475 × 4 =
  35. 35.223 × 6 =
  36. 36.805 × 7 =
  37. 37.685 × 6 =
  38. 38.939 × 8 =
  39. 39.262 × 6 =
  40. 40.435 × 7 =

Answer key

  1. 6363
  2. 642
  3. 2676
  4. 1408
  5. 5733
  6. 835
  7. 6600
  8. 4185
  9. 4620
  10. 2366
  11. 6936
  12. 3534
  13. 847
  14. 1785
  15. 952
  16. 6454
  17. 1062
  18. 5103
  19. 5761
  20. 2442
  21. 2601
  22. 693
  23. 1488
  24. 2260
  25. 3282
  26. 1062
  27. 4221
  28. 3496
  29. 3612
  30. 7528
  31. 5622
  32. 1904
  33. 2058
  34. 1900
  35. 1338
  36. 5635
  37. 4110
  38. 7512
  39. 1572
  40. 3045

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