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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 988 · 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. 1.907 × 6 =
  2. 2.632 × 4 =
  3. 3.837 × 7 =
  4. 4.871 × 3 =
  5. 5.343 × 5 =
  6. 6.564 × 3 =
  7. 7.351 × 9 =
  8. 8.186 × 4 =
  9. 9.723 × 3 =
  10. 10.519 × 3 =
  11. 11.987 × 3 =
  12. 12.968 × 4 =
  13. 13.524 × 5 =
  14. 14.875 × 5 =
  15. 15.301 × 7 =
  16. 16.112 × 5 =
  17. 17.172 × 5 =
  18. 18.372 × 9 =
  19. 19.406 × 8 =
  20. 20.387 × 4 =
  21. 21.231 × 5 =
  22. 22.745 × 5 =
  23. 23.931 × 7 =
  24. 24.404 × 5 =
  25. 25.844 × 6 =
  26. 26.369 × 6 =
  27. 27.382 × 9 =
  28. 28.724 × 4 =
  29. 29.219 × 3 =
  30. 30.545 × 9 =
  31. 31.305 × 4 =
  32. 32.308 × 5 =
  33. 33.531 × 4 =
  34. 34.327 × 5 =
  35. 35.474 × 3 =
  36. 36.368 × 5 =
  37. 37.127 × 7 =
  38. 38.359 × 4 =
  39. 39.221 × 5 =
  40. 40.292 × 4 =

Answer key

  1. 5442
  2. 2528
  3. 5859
  4. 2613
  5. 1715
  6. 1692
  7. 3159
  8. 744
  9. 2169
  10. 1557
  11. 2961
  12. 3872
  13. 2620
  14. 4375
  15. 2107
  16. 560
  17. 860
  18. 3348
  19. 3248
  20. 1548
  21. 1155
  22. 3725
  23. 6517
  24. 2020
  25. 5064
  26. 2214
  27. 3438
  28. 2896
  29. 657
  30. 4905
  31. 1220
  32. 1540
  33. 2124
  34. 1635
  35. 1422
  36. 1840
  37. 889
  38. 1436
  39. 1105
  40. 1168

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