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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 588 · 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. 1.711 × 3 =
  2. 2.539 × 9 =
  3. 3.786 × 7 =
  4. 4.656 × 6 =
  5. 5.278 × 8 =
  6. 6.621 × 5 =
  7. 7.813 × 5 =
  8. 8.402 × 6 =
  9. 9.341 × 6 =
  10. 10.488 × 8 =
  11. 11.272 × 3 =
  12. 12.263 × 4 =
  13. 13.914 × 4 =
  14. 14.281 × 8 =
  15. 15.909 × 5 =
  16. 16.712 × 6 =
  17. 17.411 × 3 =
  18. 18.303 × 9 =
  19. 19.957 × 4 =
  20. 20.872 × 3 =
  21. 21.878 × 3 =
  22. 22.874 × 9 =
  23. 23.321 × 7 =
  24. 24.188 × 5 =
  25. 25.267 × 6 =
  26. 26.865 × 4 =
  27. 27.963 × 8 =
  28. 28.595 × 3 =
  29. 29.404 × 6 =
  30. 30.127 × 9 =
  31. 31.267 × 5 =
  32. 32.663 × 7 =
  33. 33.472 × 6 =
  34. 34.562 × 3 =
  35. 35.149 × 6 =
  36. 36.319 × 4 =
  37. 37.611 × 4 =
  38. 38.897 × 7 =
  39. 39.436 × 6 =
  40. 40.854 × 9 =

Answer key

  1. 2133
  2. 4851
  3. 5502
  4. 3936
  5. 2224
  6. 3105
  7. 4065
  8. 2412
  9. 2046
  10. 3904
  11. 816
  12. 1052
  13. 3656
  14. 2248
  15. 4545
  16. 4272
  17. 1233
  18. 2727
  19. 3828
  20. 2616
  21. 2634
  22. 7866
  23. 2247
  24. 940
  25. 1602
  26. 3460
  27. 7704
  28. 1785
  29. 2424
  30. 1143
  31. 1335
  32. 4641
  33. 2832
  34. 1686
  35. 894
  36. 1276
  37. 2444
  38. 6279
  39. 2616
  40. 7686

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