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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 259 · 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. 1.322 × 3 =
  2. 2.185 × 6 =
  3. 3.168 × 5 =
  4. 4.447 × 8 =
  5. 5.694 × 6 =
  6. 6.331 × 3 =
  7. 7.815 × 8 =
  8. 8.364 × 9 =
  9. 9.425 × 5 =
  10. 10.641 × 5 =
  11. 11.144 × 6 =
  12. 12.681 × 9 =
  13. 13.254 × 8 =
  14. 14.179 × 4 =
  15. 15.141 × 3 =
  16. 16.224 × 3 =
  17. 17.352 × 3 =
  18. 18.346 × 8 =
  19. 19.135 × 4 =
  20. 20.278 × 9 =
  21. 21.734 × 5 =
  22. 22.338 × 3 =
  23. 23.527 × 9 =
  24. 24.392 × 4 =
  25. 25.624 × 5 =
  26. 26.791 × 3 =
  27. 27.561 × 3 =
  28. 28.286 × 7 =
  29. 29.577 × 5 =
  30. 30.489 × 8 =
  31. 31.159 × 5 =
  32. 32.786 × 8 =
  33. 33.537 × 8 =
  34. 34.989 × 5 =
  35. 35.928 × 6 =
  36. 36.236 × 3 =
  37. 37.746 × 3 =
  38. 38.579 × 8 =
  39. 39.291 × 5 =
  40. 40.351 × 4 =

Answer key

  1. 966
  2. 1110
  3. 840
  4. 3576
  5. 4164
  6. 993
  7. 6520
  8. 3276
  9. 2125
  10. 3205
  11. 864
  12. 6129
  13. 2032
  14. 716
  15. 423
  16. 672
  17. 1056
  18. 2768
  19. 540
  20. 2502
  21. 3670
  22. 1014
  23. 4743
  24. 1568
  25. 3120
  26. 2373
  27. 1683
  28. 2002
  29. 2885
  30. 3912
  31. 795
  32. 6288
  33. 4296
  34. 4945
  35. 5568
  36. 708
  37. 2238
  38. 4632
  39. 1455
  40. 1404

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