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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 929 · 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. 1.515 × 9 =
  2. 2.167 × 3 =
  3. 3.581 × 3 =
  4. 4.228 × 5 =
  5. 5.812 × 3 =
  6. 6.971 × 9 =
  7. 7.538 × 5 =
  8. 8.535 × 4 =
  9. 9.852 × 4 =
  10. 10.426 × 8 =
  11. 11.609 × 3 =
  12. 12.649 × 6 =
  13. 13.317 × 8 =
  14. 14.868 × 3 =
  15. 15.521 × 8 =
  16. 16.225 × 4 =
  17. 17.189 × 3 =
  18. 18.331 × 4 =
  19. 19.547 × 4 =
  20. 20.152 × 9 =
  21. 21.132 × 3 =
  22. 22.312 × 4 =
  23. 23.781 × 5 =
  24. 24.351 × 9 =
  25. 25.287 × 7 =
  26. 26.572 × 8 =
  27. 27.808 × 8 =
  28. 28.241 × 8 =
  29. 29.948 × 6 =
  30. 30.207 × 4 =
  31. 31.568 × 4 =
  32. 32.258 × 6 =
  33. 33.693 × 7 =
  34. 34.808 × 5 =
  35. 35.591 × 4 =
  36. 36.783 × 4 =
  37. 37.485 × 9 =
  38. 38.824 × 8 =
  39. 39.323 × 9 =
  40. 40.769 × 3 =

Answer key

  1. 4635
  2. 501
  3. 1743
  4. 1140
  5. 2436
  6. 8739
  7. 2690
  8. 2140
  9. 3408
  10. 3408
  11. 1827
  12. 3894
  13. 2536
  14. 2604
  15. 4168
  16. 900
  17. 567
  18. 1324
  19. 2188
  20. 1368
  21. 396
  22. 1248
  23. 3905
  24. 3159
  25. 2009
  26. 4576
  27. 6464
  28. 1928
  29. 5688
  30. 828
  31. 2272
  32. 1548
  33. 4851
  34. 4040
  35. 2364
  36. 3132
  37. 4365
  38. 6592
  39. 2907
  40. 2307

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