← 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 850 · 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. 1.825 × 7 =
  2. 2.346 × 3 =
  3. 3.648 × 7 =
  4. 4.676 × 5 =
  5. 5.227 × 4 =
  6. 6.964 × 8 =
  7. 7.127 × 8 =
  8. 8.968 × 7 =
  9. 9.123 × 7 =
  10. 10.849 × 6 =
  11. 11.311 × 6 =
  12. 12.491 × 6 =
  13. 13.644 × 9 =
  14. 14.941 × 4 =
  15. 15.974 × 9 =
  16. 16.471 × 8 =
  17. 17.614 × 7 =
  18. 18.373 × 8 =
  19. 19.174 × 5 =
  20. 20.591 × 9 =
  21. 21.492 × 7 =
  22. 22.612 × 7 =
  23. 23.577 × 5 =
  24. 24.376 × 3 =
  25. 25.771 × 3 =
  26. 26.182 × 7 =
  27. 27.731 × 7 =
  28. 28.181 × 7 =
  29. 29.605 × 3 =
  30. 30.461 × 4 =
  31. 31.551 × 3 =
  32. 32.898 × 5 =
  33. 33.347 × 3 =
  34. 34.932 × 7 =
  35. 35.439 × 8 =
  36. 36.551 × 5 =
  37. 37.441 × 3 =
  38. 38.375 × 7 =
  39. 39.718 × 5 =
  40. 40.229 × 4 =

Answer key

  1. 5775
  2. 1038
  3. 4536
  4. 3380
  5. 908
  6. 7712
  7. 1016
  8. 6776
  9. 861
  10. 5094
  11. 1866
  12. 2946
  13. 5796
  14. 3764
  15. 8766
  16. 3768
  17. 4298
  18. 2984
  19. 870
  20. 5319
  21. 3444
  22. 4284
  23. 2885
  24. 1128
  25. 2313
  26. 1274
  27. 5117
  28. 1267
  29. 1815
  30. 1844
  31. 1653
  32. 4490
  33. 1041
  34. 6524
  35. 3512
  36. 2755
  37. 1323
  38. 2625
  39. 3590
  40. 916

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