← 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 344 · 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. 1.185 × 4 =
  2. 2.678 × 9 =
  3. 3.233 × 3 =
  4. 4.362 × 7 =
  5. 5.133 × 5 =
  6. 6.147 × 5 =
  7. 7.789 × 5 =
  8. 8.961 × 4 =
  9. 9.507 × 7 =
  10. 10.175 × 8 =
  11. 11.829 × 5 =
  12. 12.782 × 7 =
  13. 13.894 × 3 =
  14. 14.327 × 7 =
  15. 15.591 × 4 =
  16. 16.405 × 3 =
  17. 17.391 × 7 =
  18. 18.199 × 4 =
  19. 19.987 × 9 =
  20. 20.316 × 4 =
  21. 21.418 × 4 =
  22. 22.277 × 7 =
  23. 23.476 × 3 =
  24. 24.142 × 8 =
  25. 25.631 × 9 =
  26. 26.334 × 9 =
  27. 27.811 × 6 =
  28. 28.767 × 5 =
  29. 29.834 × 4 =
  30. 30.961 × 8 =
  31. 31.537 × 4 =
  32. 32.964 × 8 =
  33. 33.917 × 9 =
  34. 34.482 × 5 =
  35. 35.688 × 9 =
  36. 36.183 × 9 =
  37. 37.968 × 7 =
  38. 38.551 × 3 =
  39. 39.501 × 5 =
  40. 40.769 × 4 =

Answer key

  1. 740
  2. 6102
  3. 699
  4. 2534
  5. 665
  6. 735
  7. 3945
  8. 3844
  9. 3549
  10. 1400
  11. 4145
  12. 5474
  13. 2682
  14. 2289
  15. 2364
  16. 1215
  17. 2737
  18. 796
  19. 8883
  20. 1264
  21. 1672
  22. 1939
  23. 1428
  24. 1136
  25. 5679
  26. 3006
  27. 4866
  28. 3835
  29. 3336
  30. 7688
  31. 2148
  32. 7712
  33. 8253
  34. 2410
  35. 6192
  36. 1647
  37. 6776
  38. 1653
  39. 2505
  40. 3076

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