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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 544 · 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. 1.128 × 7 =
  2. 2.813 × 4 =
  3. 3.293 × 8 =
  4. 4.445 × 6 =
  5. 5.325 × 7 =
  6. 6.931 × 6 =
  7. 7.581 × 4 =
  8. 8.271 × 3 =
  9. 9.228 × 6 =
  10. 10.357 × 5 =
  11. 11.355 × 5 =
  12. 12.891 × 9 =
  13. 13.361 × 8 =
  14. 14.961 × 8 =
  15. 15.919 × 4 =
  16. 16.731 × 7 =
  17. 17.112 × 9 =
  18. 18.342 × 9 =
  19. 19.691 × 4 =
  20. 20.815 × 8 =
  21. 21.156 × 5 =
  22. 22.882 × 6 =
  23. 23.974 × 4 =
  24. 24.587 × 3 =
  25. 25.831 × 5 =
  26. 26.231 × 6 =
  27. 27.716 × 8 =
  28. 28.405 × 7 =
  29. 29.558 × 3 =
  30. 30.139 × 3 =
  31. 31.142 × 8 =
  32. 32.308 × 4 =
  33. 33.272 × 5 =
  34. 34.316 × 8 =
  35. 35.422 × 4 =
  36. 36.238 × 9 =
  37. 37.803 × 6 =
  38. 38.426 × 7 =
  39. 39.838 × 8 =
  40. 40.397 × 9 =

Answer key

  1. 896
  2. 3252
  3. 2344
  4. 2670
  5. 2275
  6. 5586
  7. 2324
  8. 813
  9. 1368
  10. 1785
  11. 1775
  12. 8019
  13. 2888
  14. 7688
  15. 3676
  16. 5117
  17. 1008
  18. 3078
  19. 2764
  20. 6520
  21. 780
  22. 5292
  23. 3896
  24. 1761
  25. 4155
  26. 1386
  27. 5728
  28. 2835
  29. 1674
  30. 417
  31. 1136
  32. 1232
  33. 1360
  34. 2528
  35. 1688
  36. 2142
  37. 4818
  38. 2982
  39. 6704
  40. 3573

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