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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 867 · 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. 1.981 × 3 =
  2. 2.767 × 5 =
  3. 3.621 × 3 =
  4. 4.447 × 8 =
  5. 5.323 × 7 =
  6. 6.854 × 5 =
  7. 7.482 × 9 =
  8. 8.534 × 6 =
  9. 9.327 × 7 =
  10. 10.956 × 6 =
  11. 11.693 × 4 =
  12. 12.383 × 8 =
  13. 13.171 × 9 =
  14. 14.179 × 3 =
  15. 15.548 × 8 =
  16. 16.956 × 3 =
  17. 17.591 × 9 =
  18. 18.777 × 5 =
  19. 19.767 × 9 =
  20. 20.772 × 9 =
  21. 21.459 × 5 =
  22. 22.765 × 8 =
  23. 23.817 × 9 =
  24. 24.681 × 6 =
  25. 25.399 × 3 =
  26. 26.829 × 9 =
  27. 27.235 × 8 =
  28. 28.152 × 6 =
  29. 29.595 × 5 =
  30. 30.467 × 4 =
  31. 31.468 × 7 =
  32. 32.119 × 6 =
  33. 33.616 × 4 =
  34. 34.745 × 4 =
  35. 35.261 × 8 =
  36. 36.677 × 9 =
  37. 37.729 × 7 =
  38. 38.196 × 7 =
  39. 39.487 × 7 =
  40. 40.451 × 3 =

Answer key

  1. 2943
  2. 3835
  3. 1863
  4. 3576
  5. 2261
  6. 4270
  7. 4338
  8. 3204
  9. 2289
  10. 5736
  11. 2772
  12. 3064
  13. 1539
  14. 537
  15. 4384
  16. 2868
  17. 5319
  18. 3885
  19. 6903
  20. 6948
  21. 2295
  22. 6120
  23. 7353
  24. 4086
  25. 1197
  26. 7461
  27. 1880
  28. 912
  29. 2975
  30. 1868
  31. 3276
  32. 714
  33. 2464
  34. 2980
  35. 2088
  36. 6093
  37. 5103
  38. 1372
  39. 3409
  40. 1353

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