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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 464 · 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. 1.258 × 6 =
  2. 2.711 × 8 =
  3. 3.317 × 9 =
  4. 4.315 × 4 =
  5. 5.149 × 6 =
  6. 6.487 × 8 =
  7. 7.561 × 8 =
  8. 8.221 × 7 =
  9. 9.361 × 9 =
  10. 10.513 × 4 =
  11. 11.618 × 4 =
  12. 12.975 × 5 =
  13. 13.167 × 4 =
  14. 14.219 × 4 =
  15. 15.166 × 9 =
  16. 16.187 × 9 =
  17. 17.985 × 6 =
  18. 18.408 × 3 =
  19. 19.609 × 3 =
  20. 20.222 × 6 =
  21. 21.712 × 8 =
  22. 22.702 × 5 =
  23. 23.811 × 9 =
  24. 24.242 × 9 =
  25. 25.681 × 3 =
  26. 26.544 × 3 =
  27. 27.901 × 3 =
  28. 28.549 × 4 =
  29. 29.525 × 8 =
  30. 30.203 × 4 =
  31. 31.492 × 4 =
  32. 32.698 × 6 =
  33. 33.319 × 3 =
  34. 34.294 × 5 =
  35. 35.399 × 5 =
  36. 36.601 × 3 =
  37. 37.372 × 4 =
  38. 38.341 × 4 =
  39. 39.947 × 6 =
  40. 40.184 × 6 =

Answer key

  1. 1548
  2. 5688
  3. 2853
  4. 1260
  5. 894
  6. 3896
  7. 4488
  8. 1547
  9. 3249
  10. 2052
  11. 2472
  12. 4875
  13. 668
  14. 876
  15. 1494
  16. 1683
  17. 5910
  18. 1224
  19. 1827
  20. 1332
  21. 5696
  22. 3510
  23. 7299
  24. 2178
  25. 2043
  26. 1632
  27. 2703
  28. 2196
  29. 4200
  30. 812
  31. 1968
  32. 4188
  33. 957
  34. 1470
  35. 1995
  36. 1803
  37. 1488
  38. 1364
  39. 5682
  40. 1104

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