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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 12 · 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. 1.806 × 5 =
  2. 2.297 × 9 =
  3. 3.852 × 5 =
  4. 4.479 × 5 =
  5. 5.193 × 7 =
  6. 6.771 × 6 =
  7. 7.162 × 4 =
  8. 8.424 × 7 =
  9. 9.389 × 5 =
  10. 10.621 × 3 =
  11. 11.852 × 7 =
  12. 12.478 × 6 =
  13. 13.158 × 4 =
  14. 14.223 × 3 =
  15. 15.888 × 9 =
  16. 16.409 × 4 =
  17. 17.835 × 7 =
  18. 18.766 × 5 =
  19. 19.711 × 4 =
  20. 20.971 × 4 =
  21. 21.641 × 3 =
  22. 22.429 × 6 =
  23. 23.319 × 6 =
  24. 24.206 × 7 =
  25. 25.454 × 3 =
  26. 26.145 × 7 =
  27. 27.558 × 7 =
  28. 28.721 × 8 =
  29. 29.145 × 4 =
  30. 30.219 × 7 =
  31. 31.564 × 7 =
  32. 32.947 × 5 =
  33. 33.201 × 6 =
  34. 34.551 × 5 =
  35. 35.443 × 7 =
  36. 36.472 × 4 =
  37. 37.178 × 3 =
  38. 38.489 × 3 =
  39. 39.458 × 6 =
  40. 40.902 × 7 =

Answer key

  1. 4030
  2. 2673
  3. 4260
  4. 2395
  5. 1351
  6. 4626
  7. 648
  8. 2968
  9. 1945
  10. 1863
  11. 5964
  12. 2868
  13. 632
  14. 669
  15. 7992
  16. 1636
  17. 5845
  18. 3830
  19. 2844
  20. 3884
  21. 1923
  22. 2574
  23. 1914
  24. 1442
  25. 1362
  26. 1015
  27. 3906
  28. 5768
  29. 580
  30. 1533
  31. 3948
  32. 4735
  33. 1206
  34. 2755
  35. 3101
  36. 1888
  37. 534
  38. 1467
  39. 2748
  40. 6314

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