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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 629 · 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. 1.441 × 7 =
  2. 2.298 × 6 =
  3. 3.231 × 3 =
  4. 4.797 × 7 =
  5. 5.261 × 7 =
  6. 6.639 × 9 =
  7. 7.657 × 9 =
  8. 8.608 × 4 =
  9. 9.969 × 7 =
  10. 10.882 × 9 =
  11. 11.211 × 8 =
  12. 12.545 × 6 =
  13. 13.311 × 6 =
  14. 14.801 × 6 =
  15. 15.458 × 7 =
  16. 16.191 × 8 =
  17. 17.481 × 9 =
  18. 18.342 × 6 =
  19. 19.281 × 8 =
  20. 20.801 × 5 =
  21. 21.562 × 4 =
  22. 22.741 × 4 =
  23. 23.483 × 9 =
  24. 24.861 × 3 =
  25. 25.753 × 8 =
  26. 26.296 × 9 =
  27. 27.116 × 5 =
  28. 28.887 × 8 =
  29. 29.517 × 4 =
  30. 30.332 × 8 =
  31. 31.163 × 3 =
  32. 32.354 × 7 =
  33. 33.177 × 8 =
  34. 34.298 × 4 =
  35. 35.712 × 4 =
  36. 36.681 × 9 =
  37. 37.145 × 3 =
  38. 38.291 × 5 =
  39. 39.243 × 6 =
  40. 40.227 × 5 =

Answer key

  1. 3087
  2. 1788
  3. 693
  4. 5579
  5. 1827
  6. 5751
  7. 5913
  8. 2432
  9. 6783
  10. 7938
  11. 1688
  12. 3270
  13. 1866
  14. 4806
  15. 3206
  16. 1528
  17. 4329
  18. 2052
  19. 2248
  20. 4005
  21. 2248
  22. 2964
  23. 4347
  24. 2583
  25. 6024
  26. 2664
  27. 580
  28. 7096
  29. 2068
  30. 2656
  31. 489
  32. 2478
  33. 1416
  34. 1192
  35. 2848
  36. 6129
  37. 435
  38. 1455
  39. 1458
  40. 1135

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