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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 260 · 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. 1.305 × 9 =
  2. 2.627 × 5 =
  3. 3.875 × 3 =
  4. 4.971 × 8 =
  5. 5.931 × 5 =
  6. 6.442 × 9 =
  7. 7.526 × 5 =
  8. 8.687 × 8 =
  9. 9.517 × 4 =
  10. 10.257 × 3 =
  11. 11.384 × 8 =
  12. 12.849 × 5 =
  13. 13.161 × 5 =
  14. 14.494 × 9 =
  15. 15.394 × 9 =
  16. 16.454 × 4 =
  17. 17.662 × 9 =
  18. 18.443 × 4 =
  19. 19.396 × 4 =
  20. 20.821 × 4 =
  21. 21.488 × 8 =
  22. 22.211 × 8 =
  23. 23.969 × 6 =
  24. 24.319 × 3 =
  25. 25.853 × 4 =
  26. 26.834 × 7 =
  27. 27.474 × 5 =
  28. 28.561 × 6 =
  29. 29.741 × 6 =
  30. 30.122 × 5 =
  31. 31.751 × 8 =
  32. 32.946 × 3 =
  33. 33.471 × 9 =
  34. 34.328 × 9 =
  35. 35.531 × 6 =
  36. 36.886 × 3 =
  37. 37.499 × 7 =
  38. 38.721 × 8 =
  39. 39.356 × 3 =
  40. 40.435 × 3 =

Answer key

  1. 2745
  2. 3135
  3. 2625
  4. 7768
  5. 4655
  6. 3978
  7. 2630
  8. 5496
  9. 2068
  10. 771
  11. 3072
  12. 4245
  13. 805
  14. 4446
  15. 3546
  16. 1816
  17. 5958
  18. 1772
  19. 1584
  20. 3284
  21. 3904
  22. 1688
  23. 5814
  24. 957
  25. 3412
  26. 5838
  27. 2370
  28. 3366
  29. 4446
  30. 610
  31. 6008
  32. 2838
  33. 4239
  34. 2952
  35. 3186
  36. 2658
  37. 3493
  38. 5768
  39. 1068
  40. 1305

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