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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 240 · 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. 1.919 × 5 =
  2. 2.679 × 5 =
  3. 3.749 × 7 =
  4. 4.216 × 6 =
  5. 5.544 × 8 =
  6. 6.395 × 4 =
  7. 7.205 × 6 =
  8. 8.362 × 4 =
  9. 9.934 × 9 =
  10. 10.221 × 3 =
  11. 11.819 × 7 =
  12. 12.545 × 9 =
  13. 13.537 × 3 =
  14. 14.768 × 8 =
  15. 15.304 × 5 =
  16. 16.123 × 6 =
  17. 17.745 × 6 =
  18. 18.291 × 3 =
  19. 19.762 × 8 =
  20. 20.497 × 3 =
  21. 21.741 × 5 =
  22. 22.351 × 4 =
  23. 23.393 × 8 =
  24. 24.954 × 9 =
  25. 25.373 × 3 =
  26. 26.311 × 4 =
  27. 27.532 × 6 =
  28. 28.409 × 7 =
  29. 29.847 × 7 =
  30. 30.565 × 4 =
  31. 31.521 × 5 =
  32. 32.555 × 4 =
  33. 33.552 × 5 =
  34. 34.906 × 3 =
  35. 35.472 × 3 =
  36. 36.196 × 7 =
  37. 37.234 × 7 =
  38. 38.445 × 7 =
  39. 39.175 × 6 =
  40. 40.354 × 3 =

Answer key

  1. 4595
  2. 3395
  3. 5243
  4. 1296
  5. 4352
  6. 1580
  7. 1230
  8. 1448
  9. 8406
  10. 663
  11. 5733
  12. 4905
  13. 1611
  14. 6144
  15. 1520
  16. 738
  17. 4470
  18. 873
  19. 6096
  20. 1491
  21. 3705
  22. 1404
  23. 3144
  24. 8586
  25. 1119
  26. 1244
  27. 3192
  28. 2863
  29. 5929
  30. 2260
  31. 2605
  32. 2220
  33. 2760
  34. 2718
  35. 1416
  36. 1372
  37. 1638
  38. 3115
  39. 1050
  40. 1062

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