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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 748 · 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. 1.531 × 6 =
  2. 2.401 × 6 =
  3. 3.178 × 8 =
  4. 4.437 × 8 =
  5. 5.387 × 7 =
  6. 6.613 × 7 =
  7. 7.569 × 4 =
  8. 8.841 × 5 =
  9. 9.921 × 7 =
  10. 10.828 × 6 =
  11. 11.263 × 5 =
  12. 12.229 × 4 =
  13. 13.409 × 7 =
  14. 14.907 × 9 =
  15. 15.221 × 4 =
  16. 16.286 × 4 =
  17. 17.415 × 3 =
  18. 18.305 × 7 =
  19. 19.144 × 3 =
  20. 20.245 × 8 =
  21. 21.348 × 9 =
  22. 22.152 × 9 =
  23. 23.469 × 4 =
  24. 24.914 × 3 =
  25. 25.249 × 9 =
  26. 26.319 × 7 =
  27. 27.477 × 8 =
  28. 28.423 × 9 =
  29. 29.426 × 8 =
  30. 30.608 × 3 =
  31. 31.255 × 7 =
  32. 32.504 × 9 =
  33. 33.541 × 3 =
  34. 34.524 × 3 =
  35. 35.861 × 8 =
  36. 36.205 × 6 =
  37. 37.895 × 6 =
  38. 38.571 × 3 =
  39. 39.235 × 3 =
  40. 40.236 × 4 =

Answer key

  1. 3186
  2. 2406
  3. 1424
  4. 3496
  5. 2709
  6. 4291
  7. 2276
  8. 4205
  9. 6447
  10. 4968
  11. 1315
  12. 916
  13. 2863
  14. 8163
  15. 884
  16. 1144
  17. 1245
  18. 2135
  19. 432
  20. 1960
  21. 3132
  22. 1368
  23. 1876
  24. 2742
  25. 2241
  26. 2233
  27. 3816
  28. 3807
  29. 3408
  30. 1824
  31. 1785
  32. 4536
  33. 1623
  34. 1572
  35. 6888
  36. 1230
  37. 5370
  38. 1713
  39. 705
  40. 944

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