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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 347 · 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. 1.931 × 6 =
  2. 2.529 × 4 =
  3. 3.819 × 9 =
  4. 4.191 × 3 =
  5. 5.735 × 5 =
  6. 6.971 × 5 =
  7. 7.312 × 4 =
  8. 8.601 × 7 =
  9. 9.667 × 6 =
  10. 10.827 × 4 =
  11. 11.681 × 6 =
  12. 12.306 × 7 =
  13. 13.853 × 5 =
  14. 14.919 × 8 =
  15. 15.401 × 6 =
  16. 16.944 × 4 =
  17. 17.128 × 9 =
  18. 18.141 × 3 =
  19. 19.436 × 3 =
  20. 20.699 × 4 =
  21. 21.445 × 5 =
  22. 22.181 × 4 =
  23. 23.175 × 3 =
  24. 24.652 × 3 =
  25. 25.787 × 4 =
  26. 26.743 × 4 =
  27. 27.536 × 6 =
  28. 28.149 × 8 =
  29. 29.221 × 3 =
  30. 30.298 × 8 =
  31. 31.431 × 9 =
  32. 32.464 × 5 =
  33. 33.318 × 6 =
  34. 34.598 × 3 =
  35. 35.801 × 9 =
  36. 36.571 × 8 =
  37. 37.673 × 4 =
  38. 38.316 × 5 =
  39. 39.979 × 9 =
  40. 40.321 × 6 =

Answer key

  1. 5586
  2. 2116
  3. 7371
  4. 573
  5. 3675
  6. 4855
  7. 1248
  8. 4207
  9. 4002
  10. 3308
  11. 4086
  12. 2142
  13. 4265
  14. 7352
  15. 2406
  16. 3776
  17. 1152
  18. 423
  19. 1308
  20. 2796
  21. 2225
  22. 724
  23. 525
  24. 1956
  25. 3148
  26. 2972
  27. 3216
  28. 1192
  29. 663
  30. 2384
  31. 3879
  32. 2320
  33. 1908
  34. 1794
  35. 7209
  36. 4568
  37. 2692
  38. 1580
  39. 8811
  40. 1926

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