← 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 859 · 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. 1.298 × 5 =
  2. 2.471 × 4 =
  3. 3.124 × 4 =
  4. 4.474 × 7 =
  5. 5.774 × 7 =
  6. 6.113 × 4 =
  7. 7.569 × 3 =
  8. 8.246 × 9 =
  9. 9.445 × 3 =
  10. 10.292 × 8 =
  11. 11.134 × 8 =
  12. 12.819 × 8 =
  13. 13.952 × 3 =
  14. 14.137 × 9 =
  15. 15.853 × 7 =
  16. 16.413 × 6 =
  17. 17.431 × 4 =
  18. 18.448 × 8 =
  19. 19.651 × 8 =
  20. 20.145 × 5 =
  21. 21.193 × 7 =
  22. 22.142 × 9 =
  23. 23.299 × 3 =
  24. 24.955 × 7 =
  25. 25.146 × 4 =
  26. 26.681 × 3 =
  27. 27.301 × 7 =
  28. 28.411 × 5 =
  29. 29.803 × 8 =
  30. 30.163 × 4 =
  31. 31.786 × 4 =
  32. 32.671 × 7 =
  33. 33.939 × 7 =
  34. 34.219 × 4 =
  35. 35.343 × 3 =
  36. 36.597 × 3 =
  37. 37.762 × 8 =
  38. 38.601 × 6 =
  39. 39.201 × 7 =
  40. 40.834 × 6 =

Answer key

  1. 1490
  2. 1884
  3. 496
  4. 3318
  5. 5418
  6. 452
  7. 1707
  8. 2214
  9. 1335
  10. 2336
  11. 1072
  12. 6552
  13. 2856
  14. 1233
  15. 5971
  16. 2478
  17. 1724
  18. 3584
  19. 5208
  20. 725
  21. 1351
  22. 1278
  23. 897
  24. 6685
  25. 584
  26. 2043
  27. 2107
  28. 2055
  29. 6424
  30. 652
  31. 3144
  32. 4697
  33. 6573
  34. 876
  35. 1029
  36. 1791
  37. 6096
  38. 3606
  39. 1407
  40. 5004

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