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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 806 · 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. 1.762 × 3 =
  2. 2.921 × 8 =
  3. 3.843 × 9 =
  4. 4.133 × 7 =
  5. 5.171 × 7 =
  6. 6.712 × 6 =
  7. 7.843 × 4 =
  8. 8.335 × 4 =
  9. 9.575 × 3 =
  10. 10.144 × 3 =
  11. 11.922 × 8 =
  12. 12.371 × 8 =
  13. 13.204 × 3 =
  14. 14.298 × 9 =
  15. 15.831 × 8 =
  16. 16.558 × 9 =
  17. 17.315 × 7 =
  18. 18.564 × 3 =
  19. 19.127 × 4 =
  20. 20.425 × 4 =
  21. 21.921 × 5 =
  22. 22.915 × 9 =
  23. 23.431 × 4 =
  24. 24.681 × 7 =
  25. 25.373 × 3 =
  26. 26.189 × 5 =
  27. 27.914 × 8 =
  28. 28.629 × 3 =
  29. 29.315 × 8 =
  30. 30.563 × 3 =
  31. 31.299 × 9 =
  32. 32.761 × 6 =
  33. 33.183 × 4 =
  34. 34.148 × 6 =
  35. 35.379 × 9 =
  36. 36.528 × 4 =
  37. 37.176 × 6 =
  38. 38.792 × 5 =
  39. 39.545 × 3 =
  40. 40.823 × 9 =

Answer key

  1. 2286
  2. 7368
  3. 7587
  4. 931
  5. 1197
  6. 4272
  7. 3372
  8. 1340
  9. 1725
  10. 432
  11. 7376
  12. 2968
  13. 612
  14. 2682
  15. 6648
  16. 5022
  17. 2205
  18. 1692
  19. 508
  20. 1700
  21. 4605
  22. 8235
  23. 1724
  24. 4767
  25. 1119
  26. 945
  27. 7312
  28. 1887
  29. 2520
  30. 1689
  31. 2691
  32. 4566
  33. 732
  34. 888
  35. 3411
  36. 2112
  37. 1056
  38. 3960
  39. 1635
  40. 7407

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