← 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 284 · 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. 1.692 × 9 =
  2. 2.228 × 4 =
  3. 3.381 × 5 =
  4. 4.461 × 4 =
  5. 5.309 × 4 =
  6. 6.257 × 9 =
  7. 7.806 × 5 =
  8. 8.391 × 7 =
  9. 9.871 × 8 =
  10. 10.663 × 5 =
  11. 11.861 × 9 =
  12. 12.506 × 7 =
  13. 13.145 × 9 =
  14. 14.555 × 4 =
  15. 15.293 × 4 =
  16. 16.725 × 7 =
  17. 17.402 × 3 =
  18. 18.714 × 3 =
  19. 19.189 × 3 =
  20. 20.919 × 3 =
  21. 21.653 × 8 =
  22. 22.757 × 4 =
  23. 23.821 × 6 =
  24. 24.855 × 7 =
  25. 25.987 × 8 =
  26. 26.672 × 6 =
  27. 27.308 × 4 =
  28. 28.313 × 6 =
  29. 29.811 × 6 =
  30. 30.811 × 5 =
  31. 31.298 × 6 =
  32. 32.117 × 5 =
  33. 33.826 × 6 =
  34. 34.977 × 9 =
  35. 35.209 × 6 =
  36. 36.386 × 3 =
  37. 37.735 × 7 =
  38. 38.228 × 7 =
  39. 39.368 × 6 =
  40. 40.497 × 9 =

Answer key

  1. 6228
  2. 912
  3. 1905
  4. 1844
  5. 1236
  6. 2313
  7. 4030
  8. 2737
  9. 6968
  10. 3315
  11. 7749
  12. 3542
  13. 1305
  14. 2220
  15. 1172
  16. 5075
  17. 1206
  18. 2142
  19. 567
  20. 2757
  21. 5224
  22. 3028
  23. 4926
  24. 5985
  25. 7896
  26. 4032
  27. 1232
  28. 1878
  29. 4866
  30. 4055
  31. 1788
  32. 585
  33. 4956
  34. 8793
  35. 1254
  36. 1158
  37. 5145
  38. 1596
  39. 2208
  40. 4473

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