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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 960 · 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. 1.339 × 7 =
  2. 2.582 × 6 =
  3. 3.955 × 8 =
  4. 4.134 × 3 =
  5. 5.222 × 6 =
  6. 6.921 × 9 =
  7. 7.724 × 4 =
  8. 8.153 × 9 =
  9. 9.799 × 3 =
  10. 10.193 × 4 =
  11. 11.124 × 6 =
  12. 12.814 × 4 =
  13. 13.381 × 9 =
  14. 14.431 × 5 =
  15. 15.378 × 4 =
  16. 16.894 × 3 =
  17. 17.284 × 6 =
  18. 18.762 × 8 =
  19. 19.579 × 4 =
  20. 20.415 × 9 =
  21. 21.271 × 4 =
  22. 22.401 × 9 =
  23. 23.861 × 5 =
  24. 24.289 × 3 =
  25. 25.174 × 7 =
  26. 26.256 × 3 =
  27. 27.337 × 5 =
  28. 28.114 × 3 =
  29. 29.929 × 8 =
  30. 30.258 × 8 =
  31. 31.577 × 4 =
  32. 32.888 × 5 =
  33. 33.793 × 6 =
  34. 34.453 × 6 =
  35. 35.166 × 7 =
  36. 36.216 × 9 =
  37. 37.941 × 9 =
  38. 38.278 × 4 =
  39. 39.795 × 3 =
  40. 40.697 × 4 =

Answer key

  1. 2373
  2. 3492
  3. 7640
  4. 402
  5. 1332
  6. 8289
  7. 2896
  8. 1377
  9. 2397
  10. 772
  11. 744
  12. 3256
  13. 3429
  14. 2155
  15. 1512
  16. 2682
  17. 1704
  18. 6096
  19. 2316
  20. 3735
  21. 1084
  22. 3609
  23. 4305
  24. 867
  25. 1218
  26. 768
  27. 1685
  28. 342
  29. 7432
  30. 2064
  31. 2308
  32. 4440
  33. 4758
  34. 2718
  35. 1162
  36. 1944
  37. 8469
  38. 1112
  39. 2385
  40. 2788

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