← 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 373 · 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. 1.751 × 3 =
  2. 2.373 × 9 =
  3. 3.263 × 3 =
  4. 4.726 × 8 =
  5. 5.266 × 9 =
  6. 6.394 × 8 =
  7. 7.335 × 4 =
  8. 8.578 × 5 =
  9. 9.641 × 7 =
  10. 10.665 × 3 =
  11. 11.271 × 3 =
  12. 12.359 × 7 =
  13. 13.828 × 4 =
  14. 14.865 × 6 =
  15. 15.118 × 4 =
  16. 16.436 × 8 =
  17. 17.818 × 4 =
  18. 18.691 × 9 =
  19. 19.151 × 6 =
  20. 20.167 × 4 =
  21. 21.758 × 9 =
  22. 22.467 × 3 =
  23. 23.204 × 4 =
  24. 24.345 × 4 =
  25. 25.388 × 3 =
  26. 26.923 × 6 =
  27. 27.795 × 8 =
  28. 28.315 × 7 =
  29. 29.711 × 3 =
  30. 30.246 × 3 =
  31. 31.956 × 6 =
  32. 32.395 × 8 =
  33. 33.302 × 3 =
  34. 34.128 × 7 =
  35. 35.658 × 6 =
  36. 36.422 × 7 =
  37. 37.354 × 9 =
  38. 38.512 × 3 =
  39. 39.773 × 5 =
  40. 40.512 × 5 =

Answer key

  1. 2253
  2. 3357
  3. 789
  4. 5808
  5. 2394
  6. 3152
  7. 1340
  8. 2890
  9. 4487
  10. 1995
  11. 813
  12. 2513
  13. 3312
  14. 5190
  15. 472
  16. 3488
  17. 3272
  18. 6219
  19. 906
  20. 668
  21. 6822
  22. 1401
  23. 816
  24. 1380
  25. 1164
  26. 5538
  27. 6360
  28. 2205
  29. 2133
  30. 738
  31. 5736
  32. 3160
  33. 906
  34. 896
  35. 3948
  36. 2954
  37. 3186
  38. 1536
  39. 3865
  40. 2560

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