← 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 398 · 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. 1.966 × 3 =
  2. 2.971 × 9 =
  3. 3.743 × 4 =
  4. 4.164 × 7 =
  5. 5.579 × 7 =
  6. 6.197 × 3 =
  7. 7.768 × 4 =
  8. 8.363 × 5 =
  9. 9.935 × 6 =
  10. 10.569 × 6 =
  11. 11.234 × 3 =
  12. 12.201 × 7 =
  13. 13.329 × 6 =
  14. 14.146 × 5 =
  15. 15.859 × 6 =
  16. 16.229 × 8 =
  17. 17.882 × 4 =
  18. 18.545 × 6 =
  19. 19.894 × 4 =
  20. 20.269 × 8 =
  21. 21.624 × 8 =
  22. 22.499 × 6 =
  23. 23.712 × 7 =
  24. 24.779 × 3 =
  25. 25.364 × 4 =
  26. 26.376 × 6 =
  27. 27.309 × 5 =
  28. 28.696 × 6 =
  29. 29.308 × 5 =
  30. 30.914 × 7 =
  31. 31.154 × 5 =
  32. 32.136 × 9 =
  33. 33.636 × 6 =
  34. 34.459 × 8 =
  35. 35.917 × 6 =
  36. 36.374 × 4 =
  37. 37.934 × 8 =
  38. 38.355 × 8 =
  39. 39.845 × 7 =
  40. 40.264 × 8 =

Answer key

  1. 2898
  2. 8739
  3. 2972
  4. 1148
  5. 4053
  6. 591
  7. 3072
  8. 1815
  9. 5610
  10. 3414
  11. 702
  12. 1407
  13. 1974
  14. 730
  15. 5154
  16. 1832
  17. 3528
  18. 3270
  19. 3576
  20. 2152
  21. 4992
  22. 2994
  23. 4984
  24. 2337
  25. 1456
  26. 2256
  27. 1545
  28. 4176
  29. 1540
  30. 6398
  31. 770
  32. 1224
  33. 3816
  34. 3672
  35. 5502
  36. 1496
  37. 7472
  38. 2840
  39. 5915
  40. 2112

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