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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 223 · 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. 1.795 × 5 =
  2. 2.185 × 9 =
  3. 3.602 × 6 =
  4. 4.716 × 5 =
  5. 5.216 × 5 =
  6. 6.188 × 6 =
  7. 7.984 × 8 =
  8. 8.254 × 6 =
  9. 9.215 × 8 =
  10. 10.188 × 7 =
  11. 11.258 × 3 =
  12. 12.295 × 5 =
  13. 13.416 × 4 =
  14. 14.551 × 7 =
  15. 15.255 × 6 =
  16. 16.972 × 3 =
  17. 17.712 × 6 =
  18. 18.489 × 4 =
  19. 19.962 × 6 =
  20. 20.757 × 3 =
  21. 21.123 × 9 =
  22. 22.498 × 4 =
  23. 23.171 × 5 =
  24. 24.208 × 6 =
  25. 25.273 × 9 =
  26. 26.331 × 7 =
  27. 27.699 × 4 =
  28. 28.182 × 8 =
  29. 29.855 × 6 =
  30. 30.987 × 7 =
  31. 31.744 × 6 =
  32. 32.215 × 3 =
  33. 33.782 × 9 =
  34. 34.467 × 4 =
  35. 35.585 × 7 =
  36. 36.867 × 4 =
  37. 37.703 × 4 =
  38. 38.349 × 5 =
  39. 39.915 × 4 =
  40. 40.285 × 8 =

Answer key

  1. 3975
  2. 1665
  3. 3612
  4. 3580
  5. 1080
  6. 1128
  7. 7872
  8. 1524
  9. 1720
  10. 1316
  11. 774
  12. 1475
  13. 1664
  14. 3857
  15. 1530
  16. 2916
  17. 4272
  18. 1956
  19. 5772
  20. 2271
  21. 1107
  22. 1992
  23. 855
  24. 1248
  25. 2457
  26. 2317
  27. 2796
  28. 1456
  29. 5130
  30. 6909
  31. 4464
  32. 645
  33. 7038
  34. 1868
  35. 4095
  36. 3468
  37. 2812
  38. 1745
  39. 3660
  40. 2280

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