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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 354 · 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. 1.126 × 5 =
  2. 2.581 × 5 =
  3. 3.229 × 8 =
  4. 4.199 × 5 =
  5. 5.342 × 9 =
  6. 6.768 × 6 =
  7. 7.652 × 6 =
  8. 8.734 × 3 =
  9. 9.922 × 4 =
  10. 10.523 × 7 =
  11. 11.891 × 6 =
  12. 12.841 × 6 =
  13. 13.172 × 9 =
  14. 14.336 × 8 =
  15. 15.533 × 3 =
  16. 16.978 × 8 =
  17. 17.631 × 4 =
  18. 18.923 × 5 =
  19. 19.921 × 3 =
  20. 20.569 × 7 =
  21. 21.867 × 4 =
  22. 22.421 × 8 =
  23. 23.285 × 6 =
  24. 24.321 × 3 =
  25. 25.716 × 8 =
  26. 26.583 × 3 =
  27. 27.258 × 4 =
  28. 28.412 × 4 =
  29. 29.281 × 5 =
  30. 30.351 × 6 =
  31. 31.292 × 6 =
  32. 32.293 × 5 =
  33. 33.507 × 5 =
  34. 34.281 × 4 =
  35. 35.235 × 7 =
  36. 36.255 × 6 =
  37. 37.934 × 5 =
  38. 38.893 × 3 =
  39. 39.129 × 6 =
  40. 40.371 × 8 =

Answer key

  1. 630
  2. 2905
  3. 1832
  4. 995
  5. 3078
  6. 4608
  7. 3912
  8. 2202
  9. 3688
  10. 3661
  11. 5346
  12. 5046
  13. 1548
  14. 2688
  15. 1599
  16. 7824
  17. 2524
  18. 4615
  19. 2763
  20. 3983
  21. 3468
  22. 3368
  23. 1710
  24. 963
  25. 5728
  26. 1749
  27. 1032
  28. 1648
  29. 1405
  30. 2106
  31. 1752
  32. 1465
  33. 2535
  34. 1124
  35. 1645
  36. 1530
  37. 4670
  38. 2679
  39. 774
  40. 2968

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