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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 762 · 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. 1.378 × 4 =
  2. 2.726 × 8 =
  3. 3.366 × 3 =
  4. 4.521 × 7 =
  5. 5.164 × 9 =
  6. 6.954 × 3 =
  7. 7.928 × 4 =
  8. 8.583 × 7 =
  9. 9.314 × 6 =
  10. 10.219 × 6 =
  11. 11.283 × 9 =
  12. 12.197 × 4 =
  13. 13.479 × 6 =
  14. 14.661 × 8 =
  15. 15.484 × 5 =
  16. 16.875 × 7 =
  17. 17.611 × 6 =
  18. 18.721 × 7 =
  19. 19.951 × 4 =
  20. 20.264 × 7 =
  21. 21.539 × 6 =
  22. 22.323 × 4 =
  23. 23.503 × 3 =
  24. 24.441 × 8 =
  25. 25.475 × 3 =
  26. 26.202 × 9 =
  27. 27.155 × 8 =
  28. 28.591 × 4 =
  29. 29.298 × 3 =
  30. 30.285 × 8 =
  31. 31.657 × 6 =
  32. 32.481 × 6 =
  33. 33.253 × 7 =
  34. 34.393 × 4 =
  35. 35.926 × 5 =
  36. 36.501 × 8 =
  37. 37.865 × 3 =
  38. 38.431 × 7 =
  39. 39.788 × 5 =
  40. 40.195 × 5 =

Answer key

  1. 1512
  2. 5808
  3. 1098
  4. 3647
  5. 1476
  6. 2862
  7. 3712
  8. 4081
  9. 1884
  10. 1314
  11. 2547
  12. 788
  13. 2874
  14. 5288
  15. 2420
  16. 6125
  17. 3666
  18. 5047
  19. 3804
  20. 1848
  21. 3234
  22. 1292
  23. 1509
  24. 3528
  25. 1425
  26. 1818
  27. 1240
  28. 2364
  29. 894
  30. 2280
  31. 3942
  32. 2886
  33. 1771
  34. 1572
  35. 4630
  36. 4008
  37. 2595
  38. 3017
  39. 3940
  40. 975

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