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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 187 · 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. 1.902 × 5 =
  2. 2.547 × 8 =
  3. 3.902 × 3 =
  4. 4.549 × 8 =
  5. 5.859 × 4 =
  6. 6.333 × 7 =
  7. 7.639 × 3 =
  8. 8.846 × 6 =
  9. 9.321 × 3 =
  10. 10.927 × 3 =
  11. 11.816 × 6 =
  12. 12.751 × 4 =
  13. 13.341 × 5 =
  14. 14.241 × 7 =
  15. 15.516 × 3 =
  16. 16.502 × 3 =
  17. 17.943 × 4 =
  18. 18.211 × 6 =
  19. 19.726 × 6 =
  20. 20.465 × 6 =
  21. 21.154 × 4 =
  22. 22.168 × 8 =
  23. 23.632 × 4 =
  24. 24.369 × 6 =
  25. 25.563 × 9 =
  26. 26.399 × 8 =
  27. 27.282 × 4 =
  28. 28.183 × 8 =
  29. 29.554 × 6 =
  30. 30.297 × 8 =
  31. 31.791 × 4 =
  32. 32.173 × 3 =
  33. 33.144 × 9 =
  34. 34.332 × 8 =
  35. 35.171 × 5 =
  36. 36.481 × 4 =
  37. 37.176 × 9 =
  38. 38.211 × 8 =
  39. 39.251 × 4 =
  40. 40.306 × 4 =

Answer key

  1. 4510
  2. 4376
  3. 2706
  4. 4392
  5. 3436
  6. 2331
  7. 1917
  8. 5076
  9. 963
  10. 2781
  11. 4896
  12. 3004
  13. 1705
  14. 1687
  15. 1548
  16. 1506
  17. 3772
  18. 1266
  19. 4356
  20. 2790
  21. 616
  22. 1344
  23. 2528
  24. 2214
  25. 5067
  26. 3192
  27. 1128
  28. 1464
  29. 3324
  30. 2376
  31. 3164
  32. 519
  33. 1296
  34. 2656
  35. 855
  36. 1924
  37. 1584
  38. 1688
  39. 1004
  40. 1224

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