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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 1 · 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. 1.502 × 9 =
  2. 2.696 × 8 =
  3. 3.275 × 8 =
  4. 4.843 × 7 =
  5. 5.423 × 8 =
  6. 6.951 × 4 =
  7. 7.826 × 5 =
  8. 8.247 × 9 =
  9. 9.112 × 7 =
  10. 10.536 × 4 =
  11. 11.867 × 5 =
  12. 12.603 × 8 =
  13. 13.256 × 5 =
  14. 14.766 × 8 =
  15. 15.278 × 5 =
  16. 16.331 × 7 =
  17. 17.376 × 3 =
  18. 18.298 × 5 =
  19. 19.901 × 7 =
  20. 20.371 × 5 =
  21. 21.934 × 8 =
  22. 22.267 × 6 =
  23. 23.701 × 8 =
  24. 24.697 × 4 =
  25. 25.119 × 5 =
  26. 26.545 × 6 =
  27. 27.815 × 9 =
  28. 28.149 × 8 =
  29. 29.981 × 9 =
  30. 30.716 × 3 =
  31. 31.473 × 6 =
  32. 32.726 × 6 =
  33. 33.259 × 4 =
  34. 34.274 × 6 =
  35. 35.706 × 4 =
  36. 36.128 × 8 =
  37. 37.627 × 7 =
  38. 38.236 × 4 =
  39. 39.608 × 4 =
  40. 40.412 × 4 =

Answer key

  1. 4518
  2. 5568
  3. 2200
  4. 5901
  5. 3384
  6. 3804
  7. 4130
  8. 2223
  9. 784
  10. 2144
  11. 4335
  12. 4824
  13. 1280
  14. 6128
  15. 1390
  16. 2317
  17. 1128
  18. 1490
  19. 6307
  20. 1855
  21. 7472
  22. 1602
  23. 5608
  24. 2788
  25. 595
  26. 3270
  27. 7335
  28. 1192
  29. 8829
  30. 2148
  31. 2838
  32. 4356
  33. 1036
  34. 1644
  35. 2824
  36. 1024
  37. 4389
  38. 944
  39. 2432
  40. 1648

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