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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 816 · 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. 1.301 × 9 =
  2. 2.634 × 3 =
  3. 3.131 × 7 =
  4. 4.872 × 7 =
  5. 5.694 × 6 =
  6. 6.141 × 9 =
  7. 7.817 × 4 =
  8. 8.391 × 9 =
  9. 9.901 × 7 =
  10. 10.932 × 4 =
  11. 11.577 × 7 =
  12. 12.681 × 7 =
  13. 13.979 × 3 =
  14. 14.403 × 7 =
  15. 15.712 × 9 =
  16. 16.783 × 8 =
  17. 17.151 × 6 =
  18. 18.514 × 7 =
  19. 19.889 × 7 =
  20. 20.663 × 3 =
  21. 21.365 × 4 =
  22. 22.879 × 7 =
  23. 23.501 × 3 =
  24. 24.515 × 3 =
  25. 25.324 × 7 =
  26. 26.613 × 3 =
  27. 27.551 × 8 =
  28. 28.556 × 7 =
  29. 29.597 × 5 =
  30. 30.527 × 9 =
  31. 31.556 × 6 =
  32. 32.128 × 9 =
  33. 33.124 × 8 =
  34. 34.322 × 7 =
  35. 35.579 × 3 =
  36. 36.598 × 7 =
  37. 37.753 × 4 =
  38. 38.739 × 3 =
  39. 39.393 × 6 =
  40. 40.442 × 3 =

Answer key

  1. 2709
  2. 1902
  3. 917
  4. 6104
  5. 4164
  6. 1269
  7. 3268
  8. 3519
  9. 6307
  10. 3728
  11. 4039
  12. 4767
  13. 2937
  14. 2821
  15. 6408
  16. 6264
  17. 906
  18. 3598
  19. 6223
  20. 1989
  21. 1460
  22. 6153
  23. 1503
  24. 1545
  25. 2268
  26. 1839
  27. 4408
  28. 3892
  29. 2985
  30. 4743
  31. 3336
  32. 1152
  33. 992
  34. 2254
  35. 1737
  36. 4186
  37. 3012
  38. 2217
  39. 2358
  40. 1326

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