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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 440 · 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. 1.419 × 9 =
  2. 2.196 × 6 =
  3. 3.771 × 9 =
  4. 4.698 × 5 =
  5. 5.634 × 8 =
  6. 6.201 × 3 =
  7. 7.473 × 9 =
  8. 8.321 × 8 =
  9. 9.223 × 3 =
  10. 10.199 × 7 =
  11. 11.271 × 7 =
  12. 12.294 × 7 =
  13. 13.875 × 7 =
  14. 14.545 × 5 =
  15. 15.761 × 8 =
  16. 16.199 × 5 =
  17. 17.948 × 9 =
  18. 18.595 × 9 =
  19. 19.814 × 9 =
  20. 20.756 × 6 =
  21. 21.568 × 9 =
  22. 22.375 × 5 =
  23. 23.949 × 7 =
  24. 24.571 × 9 =
  25. 25.234 × 8 =
  26. 26.959 × 4 =
  27. 27.449 × 4 =
  28. 28.166 × 5 =
  29. 29.538 × 6 =
  30. 30.706 × 4 =
  31. 31.527 × 3 =
  32. 32.371 × 4 =
  33. 33.728 × 4 =
  34. 34.897 × 5 =
  35. 35.634 × 5 =
  36. 36.273 × 9 =
  37. 37.611 × 7 =
  38. 38.818 × 3 =
  39. 39.941 × 5 =
  40. 40.945 × 7 =

Answer key

  1. 3771
  2. 1176
  3. 6939
  4. 3490
  5. 5072
  6. 603
  7. 4257
  8. 2568
  9. 669
  10. 1393
  11. 1897
  12. 2058
  13. 6125
  14. 2725
  15. 6088
  16. 995
  17. 8532
  18. 5355
  19. 7326
  20. 4536
  21. 5112
  22. 1875
  23. 6643
  24. 5139
  25. 1872
  26. 3836
  27. 1796
  28. 830
  29. 3228
  30. 2824
  31. 1581
  32. 1484
  33. 2912
  34. 4485
  35. 3170
  36. 2457
  37. 4277
  38. 2454
  39. 4705
  40. 6615

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