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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 823 · 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. 1.792 × 3 =
  2. 2.291 × 3 =
  3. 3.214 × 6 =
  4. 4.539 × 4 =
  5. 5.251 × 5 =
  6. 6.606 × 5 =
  7. 7.715 × 5 =
  8. 8.238 × 5 =
  9. 9.622 × 9 =
  10. 10.385 × 9 =
  11. 11.666 × 6 =
  12. 12.962 × 6 =
  13. 13.465 × 5 =
  14. 14.471 × 3 =
  15. 15.241 × 3 =
  16. 16.457 × 9 =
  17. 17.587 × 9 =
  18. 18.449 × 9 =
  19. 19.388 × 3 =
  20. 20.875 × 6 =
  21. 21.428 × 4 =
  22. 22.964 × 6 =
  23. 23.242 × 7 =
  24. 24.269 × 8 =
  25. 25.858 × 7 =
  26. 26.944 × 4 =
  27. 27.759 × 4 =
  28. 28.607 × 8 =
  29. 29.891 × 8 =
  30. 30.954 × 6 =
  31. 31.631 × 9 =
  32. 32.628 × 3 =
  33. 33.651 × 5 =
  34. 34.245 × 4 =
  35. 35.479 × 5 =
  36. 36.224 × 6 =
  37. 37.854 × 3 =
  38. 38.562 × 5 =
  39. 39.571 × 3 =
  40. 40.278 × 7 =

Answer key

  1. 2376
  2. 873
  3. 1284
  4. 2156
  5. 1255
  6. 3030
  7. 3575
  8. 1190
  9. 5598
  10. 3465
  11. 3996
  12. 5772
  13. 2325
  14. 1413
  15. 723
  16. 4113
  17. 5283
  18. 4041
  19. 1164
  20. 5250
  21. 1712
  22. 5784
  23. 1694
  24. 2152
  25. 6006
  26. 3776
  27. 3036
  28. 4856
  29. 7128
  30. 5724
  31. 5679
  32. 1884
  33. 3255
  34. 980
  35. 2395
  36. 1344
  37. 2562
  38. 2810
  39. 1713
  40. 1946

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