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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 130 · 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. 1.582 × 6 =
  2. 2.128 × 5 =
  3. 3.603 × 6 =
  4. 4.507 × 8 =
  5. 5.495 × 8 =
  6. 6.387 × 9 =
  7. 7.682 × 8 =
  8. 8.325 × 8 =
  9. 9.169 × 7 =
  10. 10.321 × 8 =
  11. 11.876 × 3 =
  12. 12.735 × 7 =
  13. 13.148 × 6 =
  14. 14.628 × 8 =
  15. 15.979 × 7 =
  16. 16.151 × 9 =
  17. 17.221 × 3 =
  18. 18.209 × 7 =
  19. 19.422 × 9 =
  20. 20.928 × 6 =
  21. 21.143 × 5 =
  22. 22.637 × 4 =
  23. 23.194 × 8 =
  24. 24.978 × 6 =
  25. 25.898 × 9 =
  26. 26.389 × 3 =
  27. 27.597 × 4 =
  28. 28.769 × 5 =
  29. 29.481 × 9 =
  30. 30.424 × 8 =
  31. 31.695 × 4 =
  32. 32.671 × 6 =
  33. 33.945 × 3 =
  34. 34.716 × 7 =
  35. 35.358 × 7 =
  36. 36.839 × 6 =
  37. 37.254 × 5 =
  38. 38.175 × 8 =
  39. 39.649 × 9 =
  40. 40.871 × 6 =

Answer key

  1. 3492
  2. 640
  3. 3618
  4. 4056
  5. 3960
  6. 3483
  7. 5456
  8. 2600
  9. 1183
  10. 2568
  11. 2628
  12. 5145
  13. 888
  14. 5024
  15. 6853
  16. 1359
  17. 663
  18. 1463
  19. 3798
  20. 5568
  21. 715
  22. 2548
  23. 1552
  24. 5868
  25. 8082
  26. 1167
  27. 2388
  28. 3845
  29. 4329
  30. 3392
  31. 2780
  32. 4026
  33. 2835
  34. 5012
  35. 2506
  36. 5034
  37. 1270
  38. 1400
  39. 5841
  40. 5226

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