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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 951 · 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. 1.367 × 5 =
  2. 2.621 × 7 =
  3. 3.365 × 4 =
  4. 4.119 × 7 =
  5. 5.416 × 5 =
  6. 6.692 × 4 =
  7. 7.831 × 3 =
  8. 8.871 × 5 =
  9. 9.284 × 5 =
  10. 10.191 × 5 =
  11. 11.737 × 8 =
  12. 12.651 × 6 =
  13. 13.189 × 7 =
  14. 14.373 × 6 =
  15. 15.858 × 6 =
  16. 16.953 × 5 =
  17. 17.816 × 3 =
  18. 18.212 × 4 =
  19. 19.652 × 4 =
  20. 20.281 × 3 =
  21. 21.539 × 6 =
  22. 22.751 × 4 =
  23. 23.159 × 4 =
  24. 24.412 × 7 =
  25. 25.842 × 6 =
  26. 26.582 × 8 =
  27. 27.544 × 7 =
  28. 28.836 × 8 =
  29. 29.371 × 5 =
  30. 30.701 × 8 =
  31. 31.834 × 7 =
  32. 32.613 × 9 =
  33. 33.361 × 6 =
  34. 34.458 × 8 =
  35. 35.233 × 4 =
  36. 36.168 × 4 =
  37. 37.757 × 6 =
  38. 38.591 × 5 =
  39. 39.356 × 8 =
  40. 40.353 × 5 =

Answer key

  1. 1835
  2. 4347
  3. 1460
  4. 833
  5. 2080
  6. 2768
  7. 2493
  8. 4355
  9. 1420
  10. 955
  11. 5896
  12. 3906
  13. 1323
  14. 2238
  15. 5148
  16. 4765
  17. 2448
  18. 848
  19. 2608
  20. 843
  21. 3234
  22. 3004
  23. 636
  24. 2884
  25. 5052
  26. 4656
  27. 3808
  28. 6688
  29. 1855
  30. 5608
  31. 5838
  32. 5517
  33. 2166
  34. 3664
  35. 932
  36. 672
  37. 4542
  38. 2955
  39. 2848
  40. 1765

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