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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 637 · 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. 1.399 × 6 =
  2. 2.435 × 4 =
  3. 3.207 × 9 =
  4. 4.714 × 7 =
  5. 5.317 × 7 =
  6. 6.275 × 4 =
  7. 7.571 × 7 =
  8. 8.802 × 4 =
  9. 9.501 × 8 =
  10. 10.275 × 8 =
  11. 11.406 × 7 =
  12. 12.788 × 7 =
  13. 13.852 × 4 =
  14. 14.391 × 3 =
  15. 15.921 × 3 =
  16. 16.335 × 8 =
  17. 17.831 × 3 =
  18. 18.281 × 3 =
  19. 19.166 × 4 =
  20. 20.363 × 4 =
  21. 21.293 × 7 =
  22. 22.543 × 9 =
  23. 23.442 × 5 =
  24. 24.247 × 6 =
  25. 25.419 × 4 =
  26. 26.535 × 7 =
  27. 27.162 × 8 =
  28. 28.508 × 3 =
  29. 29.437 × 8 =
  30. 30.587 × 5 =
  31. 31.461 × 7 =
  32. 32.757 × 4 =
  33. 33.361 × 5 =
  34. 34.503 × 7 =
  35. 35.352 × 6 =
  36. 36.541 × 5 =
  37. 37.611 × 5 =
  38. 38.172 × 4 =
  39. 39.287 × 7 =
  40. 40.881 × 3 =

Answer key

  1. 2394
  2. 1740
  3. 1863
  4. 4998
  5. 2219
  6. 1100
  7. 3997
  8. 3208
  9. 4008
  10. 2200
  11. 2842
  12. 5516
  13. 3408
  14. 1173
  15. 2763
  16. 2680
  17. 2493
  18. 843
  19. 664
  20. 1452
  21. 2051
  22. 4887
  23. 2210
  24. 1482
  25. 1676
  26. 3745
  27. 1296
  28. 1524
  29. 3496
  30. 2935
  31. 3227
  32. 3028
  33. 1805
  34. 3521
  35. 2112
  36. 2705
  37. 3055
  38. 688
  39. 2009
  40. 2643

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