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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 703 · 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. 1.955 × 3 =
  2. 2.813 × 5 =
  3. 3.296 × 5 =
  4. 4.235 × 8 =
  5. 5.839 × 5 =
  6. 6.422 × 8 =
  7. 7.608 × 6 =
  8. 8.544 × 3 =
  9. 9.118 × 5 =
  10. 10.714 × 5 =
  11. 11.396 × 3 =
  12. 12.535 × 7 =
  13. 13.327 × 9 =
  14. 14.931 × 5 =
  15. 15.844 × 3 =
  16. 16.119 × 8 =
  17. 17.248 × 8 =
  18. 18.536 × 6 =
  19. 19.976 × 6 =
  20. 20.772 × 7 =
  21. 21.748 × 6 =
  22. 22.569 × 5 =
  23. 23.952 × 9 =
  24. 24.604 × 7 =
  25. 25.492 × 5 =
  26. 26.985 × 9 =
  27. 27.853 × 6 =
  28. 28.827 × 4 =
  29. 29.862 × 4 =
  30. 30.462 × 5 =
  31. 31.133 × 7 =
  32. 32.253 × 8 =
  33. 33.972 × 8 =
  34. 34.367 × 6 =
  35. 35.957 × 8 =
  36. 36.765 × 3 =
  37. 37.432 × 9 =
  38. 38.136 × 3 =
  39. 39.292 × 5 =
  40. 40.753 × 5 =

Answer key

  1. 2865
  2. 4065
  3. 1480
  4. 1880
  5. 4195
  6. 3376
  7. 3648
  8. 1632
  9. 590
  10. 3570
  11. 1188
  12. 3745
  13. 2943
  14. 4655
  15. 2532
  16. 952
  17. 1984
  18. 3216
  19. 5856
  20. 5404
  21. 4488
  22. 2845
  23. 8568
  24. 4228
  25. 2460
  26. 8865
  27. 5118
  28. 3308
  29. 3448
  30. 2310
  31. 931
  32. 2024
  33. 7776
  34. 2202
  35. 7656
  36. 2295
  37. 3888
  38. 408
  39. 1460
  40. 3765

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