← 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 422 · 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. 1.583 × 4 =
  2. 2.298 × 9 =
  3. 3.549 × 4 =
  4. 4.286 × 4 =
  5. 5.335 × 3 =
  6. 6.828 × 7 =
  7. 7.611 × 3 =
  8. 8.607 × 8 =
  9. 9.438 × 3 =
  10. 10.477 × 7 =
  11. 11.761 × 5 =
  12. 12.403 × 7 =
  13. 13.232 × 6 =
  14. 14.261 × 5 =
  15. 15.554 × 3 =
  16. 16.615 × 9 =
  17. 17.426 × 6 =
  18. 18.465 × 3 =
  19. 19.511 × 4 =
  20. 20.945 × 4 =
  21. 21.555 × 3 =
  22. 22.168 × 3 =
  23. 23.987 × 5 =
  24. 24.225 × 7 =
  25. 25.411 × 5 =
  26. 26.401 × 7 =
  27. 27.836 × 9 =
  28. 28.482 × 4 =
  29. 29.137 × 9 =
  30. 30.965 × 8 =
  31. 31.627 × 6 =
  32. 32.142 × 6 =
  33. 33.632 × 9 =
  34. 34.882 × 7 =
  35. 35.303 × 4 =
  36. 36.401 × 4 =
  37. 37.202 × 3 =
  38. 38.738 × 3 =
  39. 39.425 × 5 =
  40. 40.645 × 5 =

Answer key

  1. 2332
  2. 2682
  3. 2196
  4. 1144
  5. 1005
  6. 5796
  7. 1833
  8. 4856
  9. 1314
  10. 3339
  11. 3805
  12. 2821
  13. 1392
  14. 1305
  15. 1662
  16. 5535
  17. 2556
  18. 1395
  19. 2044
  20. 3780
  21. 1665
  22. 504
  23. 4935
  24. 1575
  25. 2055
  26. 2807
  27. 7524
  28. 1928
  29. 1233
  30. 7720
  31. 3762
  32. 852
  33. 5688
  34. 6174
  35. 1212
  36. 1604
  37. 606
  38. 2214
  39. 2125
  40. 3225

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