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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 719 · 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. 1.891 × 5 =
  2. 2.635 × 5 =
  3. 3.257 × 7 =
  4. 4.436 × 5 =
  5. 5.988 × 5 =
  6. 6.261 × 6 =
  7. 7.709 × 5 =
  8. 8.496 × 4 =
  9. 9.714 × 5 =
  10. 10.554 × 4 =
  11. 11.316 × 9 =
  12. 12.574 × 8 =
  13. 13.842 × 3 =
  14. 14.237 × 6 =
  15. 15.154 × 8 =
  16. 16.115 × 6 =
  17. 17.202 × 3 =
  18. 18.384 × 8 =
  19. 19.316 × 5 =
  20. 20.498 × 6 =
  21. 21.874 × 4 =
  22. 22.131 × 9 =
  23. 23.762 × 6 =
  24. 24.857 × 8 =
  25. 25.805 × 4 =
  26. 26.399 × 4 =
  27. 27.897 × 3 =
  28. 28.547 × 7 =
  29. 29.352 × 6 =
  30. 30.501 × 4 =
  31. 31.746 × 4 =
  32. 32.629 × 4 =
  33. 33.768 × 8 =
  34. 34.832 × 7 =
  35. 35.596 × 3 =
  36. 36.457 × 7 =
  37. 37.642 × 4 =
  38. 38.253 × 3 =
  39. 39.177 × 6 =
  40. 40.564 × 6 =

Answer key

  1. 4455
  2. 3175
  3. 1799
  4. 2180
  5. 4940
  6. 1566
  7. 3545
  8. 1984
  9. 3570
  10. 2216
  11. 2844
  12. 4592
  13. 2526
  14. 1422
  15. 1232
  16. 690
  17. 606
  18. 3072
  19. 1580
  20. 2988
  21. 3496
  22. 1179
  23. 4572
  24. 6856
  25. 3220
  26. 1596
  27. 2691
  28. 3829
  29. 2112
  30. 2004
  31. 2984
  32. 2516
  33. 6144
  34. 5824
  35. 1788
  36. 3199
  37. 2568
  38. 759
  39. 1062
  40. 3384

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