← Multiply 3-digit by 1-digit, hundreds first lesson New set →

3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 188 · 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. 1.257 × 5 =
  2. 2.742 × 4 =
  3. 3.401 × 3 =
  4. 4.713 × 6 =
  5. 5.303 × 7 =
  6. 6.769 × 9 =
  7. 7.895 × 3 =
  8. 8.858 × 3 =
  9. 9.297 × 8 =
  10. 10.277 × 7 =
  11. 11.901 × 7 =
  12. 12.158 × 8 =
  13. 13.443 × 3 =
  14. 14.427 × 3 =
  15. 15.934 × 4 =
  16. 16.456 × 6 =
  17. 17.297 × 7 =
  18. 18.395 × 8 =
  19. 19.882 × 7 =
  20. 20.328 × 9 =
  21. 21.703 × 4 =
  22. 22.562 × 9 =
  23. 23.941 × 7 =
  24. 24.153 × 6 =
  25. 25.127 × 9 =
  26. 26.243 × 3 =
  27. 27.271 × 3 =
  28. 28.826 × 8 =
  29. 29.669 × 6 =
  30. 30.861 × 5 =
  31. 31.916 × 8 =
  32. 32.359 × 3 =
  33. 33.471 × 4 =
  34. 34.337 × 4 =
  35. 35.508 × 8 =
  36. 36.925 × 4 =
  37. 37.741 × 4 =
  38. 38.779 × 9 =
  39. 39.338 × 4 =
  40. 40.804 × 7 =

Answer key

  1. 1285
  2. 2968
  3. 1203
  4. 4278
  5. 2121
  6. 6921
  7. 2685
  8. 2574
  9. 2376
  10. 1939
  11. 6307
  12. 1264
  13. 1329
  14. 1281
  15. 3736
  16. 2736
  17. 2079
  18. 3160
  19. 6174
  20. 2952
  21. 2812
  22. 5058
  23. 6587
  24. 918
  25. 1143
  26. 729
  27. 813
  28. 6608
  29. 4014
  30. 4305
  31. 7328
  32. 1077
  33. 1884
  34. 1348
  35. 4064
  36. 3700
  37. 2964
  38. 7011
  39. 1352
  40. 5628

Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths