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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 585 · 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. 1.807 × 9 =
  2. 2.179 × 7 =
  3. 3.714 × 3 =
  4. 4.599 × 6 =
  5. 5.335 × 9 =
  6. 6.535 × 6 =
  7. 7.837 × 9 =
  8. 8.333 × 6 =
  9. 9.895 × 4 =
  10. 10.888 × 9 =
  11. 11.353 × 3 =
  12. 12.236 × 5 =
  13. 13.221 × 6 =
  14. 14.264 × 4 =
  15. 15.759 × 6 =
  16. 16.551 × 8 =
  17. 17.546 × 3 =
  18. 18.195 × 8 =
  19. 19.271 × 7 =
  20. 20.365 × 4 =
  21. 21.363 × 8 =
  22. 22.701 × 7 =
  23. 23.694 × 8 =
  24. 24.197 × 8 =
  25. 25.532 × 4 =
  26. 26.276 × 5 =
  27. 27.121 × 6 =
  28. 28.436 × 8 =
  29. 29.671 × 5 =
  30. 30.684 × 5 =
  31. 31.461 × 9 =
  32. 32.845 × 6 =
  33. 33.501 × 5 =
  34. 34.789 × 5 =
  35. 35.821 × 8 =
  36. 36.171 × 5 =
  37. 37.215 × 4 =
  38. 38.948 × 6 =
  39. 39.621 × 8 =
  40. 40.252 × 6 =

Answer key

  1. 7263
  2. 1253
  3. 2142
  4. 3594
  5. 3015
  6. 3210
  7. 7533
  8. 1998
  9. 3580
  10. 7992
  11. 1059
  12. 1180
  13. 1326
  14. 1056
  15. 4554
  16. 4408
  17. 1638
  18. 1560
  19. 1897
  20. 1460
  21. 2904
  22. 4907
  23. 5552
  24. 1576
  25. 2128
  26. 1380
  27. 726
  28. 3488
  29. 3355
  30. 3420
  31. 4149
  32. 5070
  33. 2505
  34. 3945
  35. 6568
  36. 855
  37. 860
  38. 5688
  39. 4968
  40. 1512

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