← 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 618 · 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. 1.529 × 7 =
  2. 2.456 × 4 =
  3. 3.271 × 9 =
  4. 4.779 × 7 =
  5. 5.158 × 9 =
  6. 6.182 × 5 =
  7. 7.593 × 9 =
  8. 8.227 × 8 =
  9. 9.864 × 9 =
  10. 10.864 × 4 =
  11. 11.898 × 8 =
  12. 12.989 × 8 =
  13. 13.401 × 3 =
  14. 14.139 × 3 =
  15. 15.478 × 6 =
  16. 16.621 × 7 =
  17. 17.481 × 4 =
  18. 18.569 × 6 =
  19. 19.311 × 9 =
  20. 20.925 × 7 =
  21. 21.551 × 9 =
  22. 22.561 × 4 =
  23. 23.494 × 6 =
  24. 24.471 × 8 =
  25. 25.708 × 4 =
  26. 26.402 × 5 =
  27. 27.841 × 9 =
  28. 28.342 × 3 =
  29. 29.599 × 6 =
  30. 30.831 × 4 =
  31. 31.792 × 6 =
  32. 32.867 × 3 =
  33. 33.443 × 4 =
  34. 34.452 × 3 =
  35. 35.902 × 9 =
  36. 36.674 × 6 =
  37. 37.477 × 6 =
  38. 38.649 × 5 =
  39. 39.841 × 5 =
  40. 40.582 × 8 =

Answer key

  1. 3703
  2. 1824
  3. 2439
  4. 5453
  5. 1422
  6. 910
  7. 5337
  8. 1816
  9. 7776
  10. 3456
  11. 7184
  12. 7912
  13. 1203
  14. 417
  15. 2868
  16. 4347
  17. 1924
  18. 3414
  19. 2799
  20. 6475
  21. 4959
  22. 2244
  23. 2964
  24. 3768
  25. 2832
  26. 2010
  27. 7569
  28. 1026
  29. 3594
  30. 3324
  31. 4752
  32. 2601
  33. 1772
  34. 1356
  35. 8118
  36. 4044
  37. 2862
  38. 3245
  39. 4205
  40. 4656

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