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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 821 · 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. 1.795 × 8 =
  2. 2.616 × 4 =
  3. 3.245 × 6 =
  4. 4.165 × 4 =
  5. 5.695 × 5 =
  6. 6.917 × 7 =
  7. 7.647 × 6 =
  8. 8.225 × 3 =
  9. 9.711 × 4 =
  10. 10.152 × 7 =
  11. 11.405 × 8 =
  12. 12.971 × 5 =
  13. 13.339 × 3 =
  14. 14.762 × 4 =
  15. 15.972 × 4 =
  16. 16.155 × 6 =
  17. 17.923 × 9 =
  18. 18.421 × 3 =
  19. 19.758 × 8 =
  20. 20.229 × 3 =
  21. 21.721 × 7 =
  22. 22.238 × 9 =
  23. 23.872 × 7 =
  24. 24.164 × 4 =
  25. 25.852 × 9 =
  26. 26.648 × 4 =
  27. 27.781 × 3 =
  28. 28.373 × 3 =
  29. 29.755 × 5 =
  30. 30.115 × 9 =
  31. 31.508 × 6 =
  32. 32.139 × 5 =
  33. 33.594 × 6 =
  34. 34.528 × 6 =
  35. 35.205 × 4 =
  36. 36.328 × 8 =
  37. 37.476 × 6 =
  38. 38.901 × 3 =
  39. 39.246 × 4 =
  40. 40.843 × 9 =

Answer key

  1. 6360
  2. 2464
  3. 1470
  4. 660
  5. 3475
  6. 6419
  7. 3882
  8. 675
  9. 2844
  10. 1064
  11. 3240
  12. 4855
  13. 1017
  14. 3048
  15. 3888
  16. 930
  17. 8307
  18. 1263
  19. 6064
  20. 687
  21. 5047
  22. 2142
  23. 6104
  24. 656
  25. 7668
  26. 2592
  27. 2343
  28. 1119
  29. 3775
  30. 1035
  31. 3048
  32. 695
  33. 3564
  34. 3168
  35. 820
  36. 2624
  37. 2856
  38. 2703
  39. 984
  40. 7587

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