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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 584 · 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. 1.624 × 7 =
  2. 2.722 × 8 =
  3. 3.113 × 6 =
  4. 4.277 × 9 =
  5. 5.182 × 3 =
  6. 6.686 × 8 =
  7. 7.665 × 8 =
  8. 8.761 × 9 =
  9. 9.202 × 3 =
  10. 10.876 × 4 =
  11. 11.893 × 6 =
  12. 12.318 × 5 =
  13. 13.431 × 6 =
  14. 14.478 × 7 =
  15. 15.286 × 8 =
  16. 16.537 × 5 =
  17. 17.193 × 5 =
  18. 18.818 × 3 =
  19. 19.971 × 7 =
  20. 20.446 × 9 =
  21. 21.961 × 4 =
  22. 22.721 × 5 =
  23. 23.303 × 7 =
  24. 24.734 × 3 =
  25. 25.821 × 9 =
  26. 26.854 × 3 =
  27. 27.451 × 6 =
  28. 28.568 × 5 =
  29. 29.648 × 4 =
  30. 30.461 × 8 =
  31. 31.785 × 4 =
  32. 32.513 × 9 =
  33. 33.602 × 6 =
  34. 34.893 × 9 =
  35. 35.553 × 4 =
  36. 36.161 × 4 =
  37. 37.896 × 4 =
  38. 38.124 × 8 =
  39. 39.659 × 3 =
  40. 40.893 × 8 =

Answer key

  1. 4368
  2. 5776
  3. 678
  4. 2493
  5. 546
  6. 5488
  7. 5320
  8. 6849
  9. 606
  10. 3504
  11. 5358
  12. 1590
  13. 2586
  14. 3346
  15. 2288
  16. 2685
  17. 965
  18. 2454
  19. 6797
  20. 4014
  21. 3844
  22. 3605
  23. 2121
  24. 2202
  25. 7389
  26. 2562
  27. 2706
  28. 2840
  29. 2592
  30. 3688
  31. 3140
  32. 4617
  33. 3612
  34. 8037
  35. 2212
  36. 644
  37. 3584
  38. 992
  39. 1977
  40. 7144

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