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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 268 · 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. 1.719 × 8 =
  2. 2.588 × 6 =
  3. 3.882 × 6 =
  4. 4.599 × 7 =
  5. 5.291 × 3 =
  6. 6.831 × 3 =
  7. 7.356 × 3 =
  8. 8.232 × 5 =
  9. 9.659 × 6 =
  10. 10.208 × 4 =
  11. 11.536 × 3 =
  12. 12.149 × 4 =
  13. 13.511 × 5 =
  14. 14.151 × 7 =
  15. 15.854 × 7 =
  16. 16.889 × 9 =
  17. 17.333 × 4 =
  18. 18.731 × 3 =
  19. 19.341 × 7 =
  20. 20.125 × 4 =
  21. 21.909 × 9 =
  22. 22.844 × 9 =
  23. 23.819 × 9 =
  24. 24.407 × 4 =
  25. 25.266 × 5 =
  26. 26.366 × 6 =
  27. 27.201 × 9 =
  28. 28.121 × 5 =
  29. 29.535 × 6 =
  30. 30.597 × 6 =
  31. 31.592 × 4 =
  32. 32.329 × 3 =
  33. 33.626 × 9 =
  34. 34.677 × 9 =
  35. 35.485 × 6 =
  36. 36.238 × 6 =
  37. 37.901 × 4 =
  38. 38.281 × 4 =
  39. 39.301 × 4 =
  40. 40.231 × 5 =

Answer key

  1. 5752
  2. 3528
  3. 5292
  4. 4193
  5. 873
  6. 2493
  7. 1068
  8. 1160
  9. 3954
  10. 832
  11. 1608
  12. 596
  13. 2555
  14. 1057
  15. 5978
  16. 8001
  17. 1332
  18. 2193
  19. 2387
  20. 500
  21. 8181
  22. 7596
  23. 7371
  24. 1628
  25. 1330
  26. 2196
  27. 1809
  28. 605
  29. 3210
  30. 3582
  31. 2368
  32. 987
  33. 5634
  34. 6093
  35. 2910
  36. 1428
  37. 3604
  38. 1124
  39. 1204
  40. 1155

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