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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 811 · 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. 1.175 × 5 =
  2. 2.336 × 9 =
  3. 3.964 × 9 =
  4. 4.423 × 6 =
  5. 5.819 × 7 =
  6. 6.206 × 4 =
  7. 7.113 × 7 =
  8. 8.634 × 5 =
  9. 9.611 × 3 =
  10. 10.368 × 6 =
  11. 11.818 × 7 =
  12. 12.985 × 7 =
  13. 13.308 × 4 =
  14. 14.688 × 7 =
  15. 15.545 × 3 =
  16. 16.649 × 9 =
  17. 17.922 × 4 =
  18. 18.406 × 9 =
  19. 19.485 × 7 =
  20. 20.772 × 9 =
  21. 21.159 × 8 =
  22. 22.252 × 6 =
  23. 23.339 × 5 =
  24. 24.337 × 9 =
  25. 25.495 × 6 =
  26. 26.784 × 8 =
  27. 27.408 × 8 =
  28. 28.888 × 3 =
  29. 29.181 × 7 =
  30. 30.171 × 7 =
  31. 31.535 × 6 =
  32. 32.947 × 8 =
  33. 33.981 × 9 =
  34. 34.797 × 3 =
  35. 35.192 × 6 =
  36. 36.741 × 7 =
  37. 37.301 × 4 =
  38. 38.422 × 6 =
  39. 39.141 × 3 =
  40. 40.849 × 5 =

Answer key

  1. 875
  2. 3024
  3. 8676
  4. 2538
  5. 5733
  6. 824
  7. 791
  8. 3170
  9. 1833
  10. 2208
  11. 5726
  12. 6895
  13. 1232
  14. 4816
  15. 1635
  16. 5841
  17. 3688
  18. 3654
  19. 3395
  20. 6948
  21. 1272
  22. 1512
  23. 1695
  24. 3033
  25. 2970
  26. 6272
  27. 3264
  28. 2664
  29. 1267
  30. 1197
  31. 3210
  32. 7576
  33. 8829
  34. 2391
  35. 1152
  36. 5187
  37. 1204
  38. 2532
  39. 423
  40. 4245

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