← 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 504 · 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 × 9 =
  2. 2.355 × 4 =
  3. 3.403 × 4 =
  4. 4.955 × 3 =
  5. 5.903 × 7 =
  6. 6.711 × 3 =
  7. 7.507 × 6 =
  8. 8.667 × 8 =
  9. 9.262 × 4 =
  10. 10.812 × 9 =
  11. 11.235 × 5 =
  12. 12.297 × 4 =
  13. 13.908 × 3 =
  14. 14.331 × 8 =
  15. 15.592 × 7 =
  16. 16.419 × 8 =
  17. 17.275 × 4 =
  18. 18.114 × 6 =
  19. 19.957 × 8 =
  20. 20.274 × 6 =
  21. 21.793 × 3 =
  22. 22.199 × 6 =
  23. 23.658 × 4 =
  24. 24.956 × 6 =
  25. 25.597 × 5 =
  26. 26.392 × 4 =
  27. 27.811 × 6 =
  28. 28.882 × 9 =
  29. 29.177 × 7 =
  30. 30.666 × 4 =
  31. 31.571 × 4 =
  32. 32.331 × 6 =
  33. 33.923 × 7 =
  34. 34.709 × 4 =
  35. 35.245 × 9 =
  36. 36.142 × 3 =
  37. 37.225 × 7 =
  38. 38.346 × 7 =
  39. 39.947 × 8 =
  40. 40.216 × 8 =

Answer key

  1. 4761
  2. 1420
  3. 1612
  4. 2865
  5. 6321
  6. 2133
  7. 3042
  8. 5336
  9. 1048
  10. 7308
  11. 1175
  12. 1188
  13. 2724
  14. 2648
  15. 4144
  16. 3352
  17. 1100
  18. 684
  19. 7656
  20. 1644
  21. 2379
  22. 1194
  23. 2632
  24. 5736
  25. 2985
  26. 1568
  27. 4866
  28. 7938
  29. 1239
  30. 2664
  31. 2284
  32. 1986
  33. 6461
  34. 2836
  35. 2205
  36. 426
  37. 1575
  38. 2422
  39. 7576
  40. 1728

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