← 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 355 · 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. 1.213 × 7 =
  2. 2.462 × 8 =
  3. 3.248 × 4 =
  4. 4.948 × 9 =
  5. 5.379 × 9 =
  6. 6.444 × 3 =
  7. 7.345 × 3 =
  8. 8.219 × 5 =
  9. 9.172 × 3 =
  10. 10.596 × 8 =
  11. 11.412 × 6 =
  12. 12.443 × 4 =
  13. 13.223 × 8 =
  14. 14.675 × 4 =
  15. 15.538 × 3 =
  16. 16.501 × 6 =
  17. 17.637 × 6 =
  18. 18.395 × 4 =
  19. 19.844 × 6 =
  20. 20.971 × 8 =
  21. 21.359 × 6 =
  22. 22.498 × 4 =
  23. 23.314 × 7 =
  24. 24.255 × 5 =
  25. 25.143 × 8 =
  26. 26.845 × 8 =
  27. 27.619 × 8 =
  28. 28.252 × 6 =
  29. 29.229 × 3 =
  30. 30.681 × 7 =
  31. 31.151 × 9 =
  32. 32.615 × 6 =
  33. 33.311 × 8 =
  34. 34.835 × 8 =
  35. 35.778 × 8 =
  36. 36.239 × 8 =
  37. 37.701 × 3 =
  38. 38.757 × 5 =
  39. 39.784 × 5 =
  40. 40.756 × 7 =

Answer key

  1. 1491
  2. 3696
  3. 992
  4. 8532
  5. 3411
  6. 1332
  7. 1035
  8. 1095
  9. 516
  10. 4768
  11. 2472
  12. 1772
  13. 1784
  14. 2700
  15. 1614
  16. 3006
  17. 3822
  18. 1580
  19. 5064
  20. 7768
  21. 2154
  22. 1992
  23. 2198
  24. 1275
  25. 1144
  26. 6760
  27. 4952
  28. 1512
  29. 687
  30. 4767
  31. 1359
  32. 3690
  33. 2488
  34. 6680
  35. 6224
  36. 1912
  37. 2103
  38. 3785
  39. 3920
  40. 5292

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