← 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 193 · 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. 1.204 × 5 =
  2. 2.441 × 4 =
  3. 3.501 × 3 =
  4. 4.912 × 7 =
  5. 5.245 × 9 =
  6. 6.136 × 4 =
  7. 7.327 × 6 =
  8. 8.671 × 6 =
  9. 9.708 × 7 =
  10. 10.982 × 3 =
  11. 11.214 × 4 =
  12. 12.686 × 3 =
  13. 13.434 × 9 =
  14. 14.697 × 8 =
  15. 15.462 × 3 =
  16. 16.239 × 8 =
  17. 17.164 × 5 =
  18. 18.612 × 5 =
  19. 19.783 × 8 =
  20. 20.749 × 4 =
  21. 21.378 × 8 =
  22. 22.394 × 4 =
  23. 23.351 × 6 =
  24. 24.795 × 4 =
  25. 25.561 × 8 =
  26. 26.138 × 6 =
  27. 27.881 × 7 =
  28. 28.451 × 4 =
  29. 29.801 × 4 =
  30. 30.188 × 7 =
  31. 31.406 × 3 =
  32. 32.721 × 9 =
  33. 33.696 × 9 =
  34. 34.271 × 8 =
  35. 35.152 × 9 =
  36. 36.768 × 5 =
  37. 37.125 × 7 =
  38. 38.911 × 7 =
  39. 39.624 × 8 =
  40. 40.188 × 4 =

Answer key

  1. 1020
  2. 1764
  3. 1503
  4. 6384
  5. 2205
  6. 544
  7. 1962
  8. 4026
  9. 4956
  10. 2946
  11. 856
  12. 2058
  13. 3906
  14. 5576
  15. 1386
  16. 1912
  17. 820
  18. 3060
  19. 6264
  20. 2996
  21. 3024
  22. 1576
  23. 2106
  24. 3180
  25. 4488
  26. 828
  27. 6167
  28. 1804
  29. 3204
  30. 1316
  31. 1218
  32. 6489
  33. 6264
  34. 2168
  35. 1368
  36. 3840
  37. 875
  38. 6377
  39. 4992
  40. 752

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