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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 887 · 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. 1.272 × 5 =
  2. 2.231 × 7 =
  3. 3.271 × 6 =
  4. 4.537 × 3 =
  5. 5.225 × 7 =
  6. 6.845 × 5 =
  7. 7.458 × 8 =
  8. 8.976 × 7 =
  9. 9.162 × 7 =
  10. 10.962 × 6 =
  11. 11.683 × 3 =
  12. 12.361 × 4 =
  13. 13.237 × 3 =
  14. 14.484 × 7 =
  15. 15.329 × 5 =
  16. 16.172 × 7 =
  17. 17.478 × 6 =
  18. 18.798 × 8 =
  19. 19.404 × 7 =
  20. 20.615 × 9 =
  21. 21.343 × 4 =
  22. 22.682 × 8 =
  23. 23.804 × 4 =
  24. 24.449 × 7 =
  25. 25.301 × 5 =
  26. 26.886 × 6 =
  27. 27.238 × 7 =
  28. 28.907 × 7 =
  29. 29.516 × 5 =
  30. 30.261 × 5 =
  31. 31.697 × 5 =
  32. 32.823 × 7 =
  33. 33.383 × 9 =
  34. 34.388 × 4 =
  35. 35.398 × 3 =
  36. 36.247 × 9 =
  37. 37.311 × 5 =
  38. 38.151 × 3 =
  39. 39.851 × 3 =
  40. 40.857 × 3 =

Answer key

  1. 1360
  2. 1617
  3. 1626
  4. 1611
  5. 1575
  6. 4225
  7. 3664
  8. 6832
  9. 1134
  10. 5772
  11. 2049
  12. 1444
  13. 711
  14. 3388
  15. 1645
  16. 1204
  17. 2868
  18. 6384
  19. 2828
  20. 5535
  21. 1372
  22. 5456
  23. 3216
  24. 3143
  25. 1505
  26. 5316
  27. 1666
  28. 6349
  29. 2580
  30. 1305
  31. 3485
  32. 5761
  33. 3447
  34. 1552
  35. 1194
  36. 2223
  37. 1555
  38. 453
  39. 2553
  40. 2571

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