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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 93 · 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. 1.462 × 9 =
  2. 2.226 × 7 =
  3. 3.445 × 8 =
  4. 4.495 × 5 =
  5. 5.449 × 9 =
  6. 6.877 × 8 =
  7. 7.209 × 5 =
  8. 8.758 × 8 =
  9. 9.588 × 8 =
  10. 10.341 × 3 =
  11. 11.474 × 5 =
  12. 12.114 × 9 =
  13. 13.451 × 7 =
  14. 14.469 × 3 =
  15. 15.323 × 4 =
  16. 16.132 × 7 =
  17. 17.248 × 4 =
  18. 18.341 × 6 =
  19. 19.939 × 4 =
  20. 20.398 × 9 =
  21. 21.152 × 3 =
  22. 22.355 × 9 =
  23. 23.957 × 3 =
  24. 24.841 × 6 =
  25. 25.166 × 4 =
  26. 26.626 × 4 =
  27. 27.303 × 3 =
  28. 28.424 × 6 =
  29. 29.353 × 6 =
  30. 30.622 × 6 =
  31. 31.145 × 5 =
  32. 32.275 × 4 =
  33. 33.598 × 4 =
  34. 34.277 × 5 =
  35. 35.652 × 3 =
  36. 36.454 × 3 =
  37. 37.223 × 8 =
  38. 38.135 × 9 =
  39. 39.561 × 6 =
  40. 40.493 × 7 =

Answer key

  1. 4158
  2. 1582
  3. 3560
  4. 2475
  5. 4041
  6. 7016
  7. 1045
  8. 6064
  9. 4704
  10. 1023
  11. 2370
  12. 1026
  13. 3157
  14. 1407
  15. 1292
  16. 924
  17. 992
  18. 2046
  19. 3756
  20. 3582
  21. 456
  22. 3195
  23. 2871
  24. 5046
  25. 664
  26. 2504
  27. 909
  28. 2544
  29. 2118
  30. 3732
  31. 725
  32. 1100
  33. 2392
  34. 1385
  35. 1956
  36. 1362
  37. 1784
  38. 1215
  39. 3366
  40. 3451

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