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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 526 · 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. 1.184 × 8 =
  2. 2.723 × 3 =
  3. 3.603 × 9 =
  4. 4.859 × 5 =
  5. 5.409 × 6 =
  6. 6.721 × 7 =
  7. 7.352 × 7 =
  8. 8.646 × 5 =
  9. 9.354 × 9 =
  10. 10.806 × 7 =
  11. 11.573 × 4 =
  12. 12.698 × 4 =
  13. 13.664 × 3 =
  14. 14.381 × 7 =
  15. 15.582 × 4 =
  16. 16.805 × 9 =
  17. 17.654 × 7 =
  18. 18.521 × 9 =
  19. 19.386 × 8 =
  20. 20.176 × 9 =
  21. 21.628 × 4 =
  22. 22.668 × 5 =
  23. 23.644 × 7 =
  24. 24.191 × 4 =
  25. 25.581 × 8 =
  26. 26.741 × 6 =
  27. 27.291 × 7 =
  28. 28.121 × 5 =
  29. 29.981 × 6 =
  30. 30.143 × 8 =
  31. 31.944 × 9 =
  32. 32.324 × 5 =
  33. 33.812 × 4 =
  34. 34.734 × 6 =
  35. 35.229 × 9 =
  36. 36.788 × 4 =
  37. 37.193 × 6 =
  38. 38.618 × 5 =
  39. 39.283 × 9 =
  40. 40.144 × 9 =

Answer key

  1. 1472
  2. 2169
  3. 5427
  4. 4295
  5. 2454
  6. 5047
  7. 2464
  8. 3230
  9. 3186
  10. 5642
  11. 2292
  12. 2792
  13. 1992
  14. 2667
  15. 2328
  16. 7245
  17. 4578
  18. 4689
  19. 3088
  20. 1584
  21. 2512
  22. 3340
  23. 4508
  24. 764
  25. 4648
  26. 4446
  27. 2037
  28. 605
  29. 5886
  30. 1144
  31. 8496
  32. 1620
  33. 3248
  34. 4404
  35. 2061
  36. 3152
  37. 1158
  38. 3090
  39. 2547
  40. 1296

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