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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 863 · 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. 1.247 × 5 =
  2. 2.176 × 3 =
  3. 3.452 × 9 =
  4. 4.914 × 8 =
  5. 5.467 × 3 =
  6. 6.178 × 6 =
  7. 7.302 × 9 =
  8. 8.811 × 4 =
  9. 9.595 × 5 =
  10. 10.908 × 8 =
  11. 11.311 × 8 =
  12. 12.498 × 4 =
  13. 13.298 × 3 =
  14. 14.251 × 7 =
  15. 15.962 × 8 =
  16. 16.679 × 8 =
  17. 17.186 × 8 =
  18. 18.678 × 4 =
  19. 19.912 × 6 =
  20. 20.825 × 3 =
  21. 21.259 × 5 =
  22. 22.117 × 4 =
  23. 23.688 × 4 =
  24. 24.773 × 3 =
  25. 25.488 × 9 =
  26. 26.921 × 7 =
  27. 27.589 × 9 =
  28. 28.651 × 6 =
  29. 29.778 × 9 =
  30. 30.212 × 5 =
  31. 31.363 × 7 =
  32. 32.216 × 7 =
  33. 33.207 × 4 =
  34. 34.952 × 3 =
  35. 35.202 × 6 =
  36. 36.279 × 6 =
  37. 37.171 × 4 =
  38. 38.478 × 7 =
  39. 39.453 × 5 =
  40. 40.539 × 9 =

Answer key

  1. 1235
  2. 528
  3. 4068
  4. 7312
  5. 1401
  6. 1068
  7. 2718
  8. 3244
  9. 2975
  10. 7264
  11. 2488
  12. 1992
  13. 894
  14. 1757
  15. 7696
  16. 5432
  17. 1488
  18. 2712
  19. 5472
  20. 2475
  21. 1295
  22. 468
  23. 2752
  24. 2319
  25. 4392
  26. 6447
  27. 5301
  28. 3906
  29. 7002
  30. 1060
  31. 2541
  32. 1512
  33. 828
  34. 2856
  35. 1212
  36. 1674
  37. 684
  38. 3346
  39. 2265
  40. 4851

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