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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 91 · 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. 1.897 × 3 =
  2. 2.336 × 9 =
  3. 3.472 × 3 =
  4. 4.159 × 9 =
  5. 5.372 × 7 =
  6. 6.122 × 5 =
  7. 7.936 × 4 =
  8. 8.171 × 4 =
  9. 9.448 × 3 =
  10. 10.747 × 4 =
  11. 11.291 × 8 =
  12. 12.216 × 5 =
  13. 13.158 × 4 =
  14. 14.759 × 5 =
  15. 15.147 × 3 =
  16. 16.441 × 6 =
  17. 17.377 × 9 =
  18. 18.591 × 5 =
  19. 19.565 × 8 =
  20. 20.213 × 4 =
  21. 21.646 × 6 =
  22. 22.923 × 8 =
  23. 23.564 × 4 =
  24. 24.182 × 8 =
  25. 25.304 × 4 =
  26. 26.511 × 9 =
  27. 27.649 × 5 =
  28. 28.258 × 4 =
  29. 29.261 × 8 =
  30. 30.261 × 3 =
  31. 31.911 × 8 =
  32. 32.773 × 5 =
  33. 33.575 × 4 =
  34. 34.872 × 5 =
  35. 35.805 × 5 =
  36. 36.909 × 6 =
  37. 37.148 × 4 =
  38. 38.292 × 6 =
  39. 39.442 × 5 =
  40. 40.681 × 4 =

Answer key

  1. 2691
  2. 3024
  3. 1416
  4. 1431
  5. 2604
  6. 610
  7. 3744
  8. 684
  9. 1344
  10. 2988
  11. 2328
  12. 1080
  13. 632
  14. 3795
  15. 441
  16. 2646
  17. 3393
  18. 2955
  19. 4520
  20. 852
  21. 3876
  22. 7384
  23. 2256
  24. 1456
  25. 1216
  26. 4599
  27. 3245
  28. 1032
  29. 2088
  30. 783
  31. 7288
  32. 3865
  33. 2300
  34. 4360
  35. 4025
  36. 5454
  37. 592
  38. 1752
  39. 2210
  40. 2724

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