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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 897 · 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. 1.384 × 7 =
  2. 2.582 × 6 =
  3. 3.383 × 7 =
  4. 4.137 × 3 =
  5. 5.487 × 6 =
  6. 6.885 × 6 =
  7. 7.567 × 3 =
  8. 8.711 × 3 =
  9. 9.887 × 8 =
  10. 10.181 × 6 =
  11. 11.224 × 3 =
  12. 12.356 × 3 =
  13. 13.491 × 6 =
  14. 14.611 × 5 =
  15. 15.734 × 3 =
  16. 16.978 × 7 =
  17. 17.154 × 5 =
  18. 18.229 × 7 =
  19. 19.426 × 5 =
  20. 20.584 × 7 =
  21. 21.489 × 6 =
  22. 22.962 × 7 =
  23. 23.304 × 6 =
  24. 24.555 × 8 =
  25. 25.687 × 5 =
  26. 26.371 × 4 =
  27. 27.369 × 7 =
  28. 28.515 × 4 =
  29. 29.788 × 5 =
  30. 30.868 × 6 =
  31. 31.281 × 8 =
  32. 32.192 × 3 =
  33. 33.419 × 4 =
  34. 34.557 × 4 =
  35. 35.316 × 8 =
  36. 36.323 × 7 =
  37. 37.285 × 9 =
  38. 38.375 × 4 =
  39. 39.771 × 3 =
  40. 40.216 × 5 =

Answer key

  1. 2688
  2. 3492
  3. 2681
  4. 411
  5. 2922
  6. 5310
  7. 1701
  8. 2133
  9. 7096
  10. 1086
  11. 672
  12. 1068
  13. 2946
  14. 3055
  15. 2202
  16. 6846
  17. 770
  18. 1603
  19. 2130
  20. 4088
  21. 2934
  22. 6734
  23. 1824
  24. 4440
  25. 3435
  26. 1484
  27. 2583
  28. 2060
  29. 3940
  30. 5208
  31. 2248
  32. 576
  33. 1676
  34. 2228
  35. 2528
  36. 2261
  37. 2565
  38. 1500
  39. 2313
  40. 1080

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