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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 532 · 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. 1.149 × 6 =
  2. 2.278 × 5 =
  3. 3.207 × 3 =
  4. 4.934 × 5 =
  5. 5.586 × 9 =
  6. 6.901 × 3 =
  7. 7.552 × 5 =
  8. 8.589 × 9 =
  9. 9.129 × 4 =
  10. 10.659 × 7 =
  11. 11.568 × 6 =
  12. 12.559 × 9 =
  13. 13.528 × 8 =
  14. 14.604 × 9 =
  15. 15.574 × 4 =
  16. 16.808 × 4 =
  17. 17.331 × 7 =
  18. 18.344 × 5 =
  19. 19.661 × 3 =
  20. 20.563 × 5 =
  21. 21.201 × 6 =
  22. 22.937 × 6 =
  23. 23.591 × 8 =
  24. 24.361 × 9 =
  25. 25.975 × 7 =
  26. 26.482 × 4 =
  27. 27.488 × 4 =
  28. 28.236 × 3 =
  29. 29.439 × 8 =
  30. 30.187 × 7 =
  31. 31.745 × 9 =
  32. 32.941 × 5 =
  33. 33.763 × 4 =
  34. 34.601 × 7 =
  35. 35.356 × 9 =
  36. 36.276 × 8 =
  37. 37.287 × 5 =
  38. 38.754 × 4 =
  39. 39.157 × 9 =
  40. 40.882 × 3 =

Answer key

  1. 894
  2. 1390
  3. 621
  4. 4670
  5. 5274
  6. 2703
  7. 2760
  8. 5301
  9. 516
  10. 4613
  11. 3408
  12. 5031
  13. 4224
  14. 5436
  15. 2296
  16. 3232
  17. 2317
  18. 1720
  19. 1983
  20. 2815
  21. 1206
  22. 5622
  23. 4728
  24. 3249
  25. 6825
  26. 1928
  27. 1952
  28. 708
  29. 3512
  30. 1309
  31. 6705
  32. 4705
  33. 3052
  34. 4207
  35. 3204
  36. 2208
  37. 1435
  38. 3016
  39. 1413
  40. 2646

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