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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 841 · 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. 1.832 × 3 =
  2. 2.254 × 4 =
  3. 3.475 × 4 =
  4. 4.645 × 8 =
  5. 5.684 × 8 =
  6. 6.422 × 8 =
  7. 7.286 × 7 =
  8. 8.657 × 4 =
  9. 9.861 × 6 =
  10. 10.914 × 8 =
  11. 11.472 × 3 =
  12. 12.888 × 9 =
  13. 13.605 × 4 =
  14. 14.122 × 4 =
  15. 15.285 × 3 =
  16. 16.435 × 5 =
  17. 17.741 × 8 =
  18. 18.979 × 3 =
  19. 19.371 × 9 =
  20. 20.182 × 9 =
  21. 21.675 × 8 =
  22. 22.836 × 3 =
  23. 23.411 × 9 =
  24. 24.675 × 5 =
  25. 25.183 × 8 =
  26. 26.934 × 6 =
  27. 27.291 × 6 =
  28. 28.485 × 4 =
  29. 29.717 × 4 =
  30. 30.271 × 8 =
  31. 31.773 × 8 =
  32. 32.761 × 3 =
  33. 33.776 × 3 =
  34. 34.565 × 3 =
  35. 35.132 × 8 =
  36. 36.889 × 6 =
  37. 37.516 × 9 =
  38. 38.311 × 4 =
  39. 39.744 × 8 =
  40. 40.308 × 4 =

Answer key

  1. 2496
  2. 1016
  3. 1900
  4. 5160
  5. 5472
  6. 3376
  7. 2002
  8. 2628
  9. 5166
  10. 7312
  11. 1416
  12. 7992
  13. 2420
  14. 488
  15. 855
  16. 2175
  17. 5928
  18. 2937
  19. 3339
  20. 1638
  21. 5400
  22. 2508
  23. 3699
  24. 3375
  25. 1464
  26. 5604
  27. 1746
  28. 1940
  29. 2868
  30. 2168
  31. 6184
  32. 2283
  33. 2328
  34. 1695
  35. 1056
  36. 5334
  37. 4644
  38. 1244
  39. 5952
  40. 1232

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