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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 163 · 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. 1.427 × 7 =
  2. 2.241 × 6 =
  3. 3.346 × 5 =
  4. 4.821 × 3 =
  5. 5.404 × 6 =
  6. 6.169 × 7 =
  7. 7.301 × 9 =
  8. 8.339 × 3 =
  9. 9.599 × 9 =
  10. 10.744 × 5 =
  11. 11.852 × 8 =
  12. 12.539 × 3 =
  13. 13.332 × 9 =
  14. 14.924 × 3 =
  15. 15.551 × 8 =
  16. 16.291 × 3 =
  17. 17.249 × 6 =
  18. 18.831 × 3 =
  19. 19.168 × 9 =
  20. 20.638 × 3 =
  21. 21.949 × 5 =
  22. 22.529 × 8 =
  23. 23.604 × 3 =
  24. 24.581 × 4 =
  25. 25.788 × 8 =
  26. 26.942 × 7 =
  27. 27.275 × 3 =
  28. 28.711 × 8 =
  29. 29.818 × 3 =
  30. 30.297 × 5 =
  31. 31.804 × 9 =
  32. 32.199 × 5 =
  33. 33.636 × 3 =
  34. 34.148 × 4 =
  35. 35.485 × 5 =
  36. 36.354 × 9 =
  37. 37.971 × 8 =
  38. 38.428 × 8 =
  39. 39.643 × 7 =
  40. 40.748 × 8 =

Answer key

  1. 2989
  2. 1446
  3. 1730
  4. 2463
  5. 2424
  6. 1183
  7. 2709
  8. 1017
  9. 5391
  10. 3720
  11. 6816
  12. 1617
  13. 2988
  14. 2772
  15. 4408
  16. 873
  17. 1494
  18. 2493
  19. 1512
  20. 1914
  21. 4745
  22. 4232
  23. 1812
  24. 2324
  25. 6304
  26. 6594
  27. 825
  28. 5688
  29. 2454
  30. 1485
  31. 7236
  32. 995
  33. 1908
  34. 592
  35. 2425
  36. 3186
  37. 7768
  38. 3424
  39. 4501
  40. 5984

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