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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 983 · 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. 1.458 × 7 =
  2. 2.555 × 4 =
  3. 3.974 × 3 =
  4. 4.734 × 4 =
  5. 5.894 × 8 =
  6. 6.417 × 3 =
  7. 7.673 × 9 =
  8. 8.784 × 8 =
  9. 9.649 × 8 =
  10. 10.415 × 8 =
  11. 11.581 × 3 =
  12. 12.311 × 4 =
  13. 13.586 × 8 =
  14. 14.178 × 8 =
  15. 15.219 × 7 =
  16. 16.971 × 7 =
  17. 17.429 × 8 =
  18. 18.601 × 8 =
  19. 19.447 × 7 =
  20. 20.567 × 7 =
  21. 21.508 × 3 =
  22. 22.136 × 9 =
  23. 23.155 × 4 =
  24. 24.295 × 8 =
  25. 25.117 × 8 =
  26. 26.737 × 9 =
  27. 27.761 × 5 =
  28. 28.121 × 9 =
  29. 29.622 × 4 =
  30. 30.937 × 3 =
  31. 31.698 × 3 =
  32. 32.371 × 8 =
  33. 33.462 × 4 =
  34. 34.812 × 4 =
  35. 35.322 × 9 =
  36. 36.788 × 9 =
  37. 37.709 × 7 =
  38. 38.851 × 3 =
  39. 39.441 × 5 =
  40. 40.824 × 4 =

Answer key

  1. 3206
  2. 2220
  3. 2922
  4. 2936
  5. 7152
  6. 1251
  7. 6057
  8. 6272
  9. 5192
  10. 3320
  11. 1743
  12. 1244
  13. 4688
  14. 1424
  15. 1533
  16. 6797
  17. 3432
  18. 4808
  19. 3129
  20. 3969
  21. 1524
  22. 1224
  23. 620
  24. 2360
  25. 936
  26. 6633
  27. 3805
  28. 1089
  29. 2488
  30. 2811
  31. 2094
  32. 2968
  33. 1848
  34. 3248
  35. 2898
  36. 7092
  37. 4963
  38. 2553
  39. 2205
  40. 3296

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