← 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 874 · 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. 1.315 × 7 =
  2. 2.924 × 5 =
  3. 3.364 × 6 =
  4. 4.871 × 4 =
  5. 5.131 × 4 =
  6. 6.211 × 6 =
  7. 7.141 × 3 =
  8. 8.892 × 4 =
  9. 9.329 × 3 =
  10. 10.765 × 4 =
  11. 11.363 × 4 =
  12. 12.474 × 5 =
  13. 13.822 × 3 =
  14. 14.306 × 9 =
  15. 15.213 × 7 =
  16. 16.784 × 3 =
  17. 17.577 × 4 =
  18. 18.826 × 5 =
  19. 19.584 × 7 =
  20. 20.805 × 7 =
  21. 21.269 × 8 =
  22. 22.526 × 4 =
  23. 23.964 × 4 =
  24. 24.926 × 3 =
  25. 25.954 × 3 =
  26. 26.948 × 4 =
  27. 27.236 × 9 =
  28. 28.931 × 4 =
  29. 29.238 × 5 =
  30. 30.311 × 4 =
  31. 31.844 × 3 =
  32. 32.787 × 3 =
  33. 33.494 × 4 =
  34. 34.651 × 9 =
  35. 35.131 × 6 =
  36. 36.347 × 6 =
  37. 37.741 × 4 =
  38. 38.471 × 4 =
  39. 39.421 × 7 =
  40. 40.367 × 5 =

Answer key

  1. 2205
  2. 4620
  3. 2184
  4. 3484
  5. 524
  6. 1266
  7. 423
  8. 3568
  9. 987
  10. 3060
  11. 1452
  12. 2370
  13. 2466
  14. 2754
  15. 1491
  16. 2352
  17. 2308
  18. 4130
  19. 4088
  20. 5635
  21. 2152
  22. 2104
  23. 3856
  24. 2778
  25. 2862
  26. 3792
  27. 2124
  28. 3724
  29. 1190
  30. 1244
  31. 2532
  32. 2361
  33. 1976
  34. 5859
  35. 786
  36. 2082
  37. 2964
  38. 1884
  39. 2947
  40. 1835

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