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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 563 · 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. 1.611 × 7 =
  2. 2.465 × 4 =
  3. 3.337 × 9 =
  4. 4.601 × 6 =
  5. 5.378 × 8 =
  6. 6.271 × 6 =
  7. 7.519 × 4 =
  8. 8.283 × 5 =
  9. 9.712 × 6 =
  10. 10.176 × 4 =
  11. 11.308 × 3 =
  12. 12.236 × 7 =
  13. 13.319 × 8 =
  14. 14.303 × 9 =
  15. 15.229 × 9 =
  16. 16.546 × 8 =
  17. 17.257 × 8 =
  18. 18.351 × 4 =
  19. 19.393 × 7 =
  20. 20.571 × 4 =
  21. 21.411 × 6 =
  22. 22.611 × 4 =
  23. 23.696 × 6 =
  24. 24.557 × 9 =
  25. 25.795 × 9 =
  26. 26.221 × 3 =
  27. 27.262 × 8 =
  28. 28.604 × 6 =
  29. 29.411 × 5 =
  30. 30.811 × 9 =
  31. 31.516 × 4 =
  32. 32.847 × 3 =
  33. 33.894 × 3 =
  34. 34.131 × 3 =
  35. 35.447 × 6 =
  36. 36.836 × 5 =
  37. 37.367 × 5 =
  38. 38.904 × 4 =
  39. 39.502 × 3 =
  40. 40.248 × 9 =

Answer key

  1. 4277
  2. 1860
  3. 3033
  4. 3606
  5. 3024
  6. 1626
  7. 2076
  8. 1415
  9. 4272
  10. 704
  11. 924
  12. 1652
  13. 2552
  14. 2727
  15. 2061
  16. 4368
  17. 2056
  18. 1404
  19. 2751
  20. 2284
  21. 2466
  22. 2444
  23. 4176
  24. 5013
  25. 7155
  26. 663
  27. 2096
  28. 3624
  29. 2055
  30. 7299
  31. 2064
  32. 2541
  33. 2682
  34. 393
  35. 2682
  36. 4180
  37. 1835
  38. 3616
  39. 1506
  40. 2232

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