← 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 415 · 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. 1.562 × 5 =
  2. 2.841 × 4 =
  3. 3.492 × 8 =
  4. 4.688 × 7 =
  5. 5.581 × 4 =
  6. 6.498 × 7 =
  7. 7.518 × 8 =
  8. 8.431 × 4 =
  9. 9.115 × 5 =
  10. 10.881 × 6 =
  11. 11.213 × 4 =
  12. 12.558 × 5 =
  13. 13.382 × 4 =
  14. 14.211 × 6 =
  15. 15.174 × 9 =
  16. 16.811 × 4 =
  17. 17.492 × 7 =
  18. 18.356 × 3 =
  19. 19.948 × 5 =
  20. 20.581 × 8 =
  21. 21.954 × 3 =
  22. 22.712 × 6 =
  23. 23.791 × 3 =
  24. 24.281 × 7 =
  25. 25.773 × 5 =
  26. 26.488 × 4 =
  27. 27.802 × 8 =
  28. 28.536 × 7 =
  29. 29.365 × 9 =
  30. 30.766 × 5 =
  31. 31.732 × 5 =
  32. 32.573 × 5 =
  33. 33.416 × 8 =
  34. 34.423 × 6 =
  35. 35.738 × 6 =
  36. 36.882 × 4 =
  37. 37.136 × 4 =
  38. 38.543 × 9 =
  39. 39.687 × 8 =
  40. 40.421 × 7 =

Answer key

  1. 2810
  2. 3364
  3. 3936
  4. 4816
  5. 2324
  6. 3486
  7. 4144
  8. 1724
  9. 575
  10. 5286
  11. 852
  12. 2790
  13. 1528
  14. 1266
  15. 1566
  16. 3244
  17. 3444
  18. 1068
  19. 4740
  20. 4648
  21. 2862
  22. 4272
  23. 2373
  24. 1967
  25. 3865
  26. 1952
  27. 6416
  28. 3752
  29. 3285
  30. 3830
  31. 3660
  32. 2865
  33. 3328
  34. 2538
  35. 4428
  36. 3528
  37. 544
  38. 4887
  39. 5496
  40. 2947

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