← 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 309 · 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. 1.382 × 4 =
  2. 2.287 × 4 =
  3. 3.916 × 3 =
  4. 4.158 × 9 =
  5. 5.841 × 7 =
  6. 6.149 × 6 =
  7. 7.318 × 4 =
  8. 8.151 × 4 =
  9. 9.376 × 8 =
  10. 10.909 × 4 =
  11. 11.301 × 4 =
  12. 12.646 × 3 =
  13. 13.454 × 7 =
  14. 14.698 × 4 =
  15. 15.372 × 7 =
  16. 16.334 × 3 =
  17. 17.987 × 6 =
  18. 18.251 × 3 =
  19. 19.328 × 5 =
  20. 20.248 × 3 =
  21. 21.913 × 3 =
  22. 22.668 × 6 =
  23. 23.173 × 3 =
  24. 24.952 × 3 =
  25. 25.743 × 7 =
  26. 26.424 × 5 =
  27. 27.338 × 3 =
  28. 28.835 × 7 =
  29. 29.742 × 4 =
  30. 30.615 × 5 =
  31. 31.391 × 6 =
  32. 32.581 × 9 =
  33. 33.191 × 8 =
  34. 34.438 × 7 =
  35. 35.646 × 4 =
  36. 36.314 × 5 =
  37. 37.212 × 3 =
  38. 38.461 × 5 =
  39. 39.565 × 5 =
  40. 40.153 × 4 =

Answer key

  1. 1528
  2. 1148
  3. 2748
  4. 1422
  5. 5887
  6. 894
  7. 1272
  8. 604
  9. 3008
  10. 3636
  11. 1204
  12. 1938
  13. 3178
  14. 2792
  15. 2604
  16. 1002
  17. 5922
  18. 753
  19. 1640
  20. 744
  21. 2739
  22. 4008
  23. 519
  24. 2856
  25. 5201
  26. 2120
  27. 1014
  28. 5845
  29. 2968
  30. 3075
  31. 2346
  32. 5229
  33. 1528
  34. 3066
  35. 2584
  36. 1570
  37. 636
  38. 2305
  39. 2825
  40. 612

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