← 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 580 · 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. 1.557 × 9 =
  2. 2.975 × 5 =
  3. 3.813 × 4 =
  4. 4.757 × 5 =
  5. 5.367 × 6 =
  6. 6.342 × 5 =
  7. 7.743 × 5 =
  8. 8.486 × 4 =
  9. 9.928 × 5 =
  10. 10.539 × 4 =
  11. 11.412 × 3 =
  12. 12.296 × 8 =
  13. 13.844 × 5 =
  14. 14.565 × 8 =
  15. 15.422 × 8 =
  16. 16.331 × 4 =
  17. 17.888 × 7 =
  18. 18.206 × 4 =
  19. 19.371 × 3 =
  20. 20.355 × 5 =
  21. 21.318 × 7 =
  22. 22.312 × 3 =
  23. 23.325 × 5 =
  24. 24.452 × 7 =
  25. 25.201 × 6 =
  26. 26.543 × 7 =
  27. 27.967 × 8 =
  28. 28.277 × 6 =
  29. 29.782 × 6 =
  30. 30.931 × 6 =
  31. 31.909 × 3 =
  32. 32.291 × 9 =
  33. 33.526 × 8 =
  34. 34.661 × 8 =
  35. 35.982 × 7 =
  36. 36.476 × 9 =
  37. 37.416 × 7 =
  38. 38.401 × 4 =
  39. 39.839 × 6 =
  40. 40.266 × 4 =

Answer key

  1. 5013
  2. 4875
  3. 3252
  4. 3785
  5. 2202
  6. 1710
  7. 3715
  8. 1944
  9. 4640
  10. 2156
  11. 1236
  12. 2368
  13. 4220
  14. 4520
  15. 3376
  16. 1324
  17. 6216
  18. 824
  19. 1113
  20. 1775
  21. 2226
  22. 936
  23. 1625
  24. 3164
  25. 1206
  26. 3801
  27. 7736
  28. 1662
  29. 4692
  30. 5586
  31. 2727
  32. 2619
  33. 4208
  34. 5288
  35. 6874
  36. 4284
  37. 2912
  38. 1604
  39. 5034
  40. 1064

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