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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 132 · 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. 1.468 × 3 =
  2. 2.527 × 4 =
  3. 3.953 × 4 =
  4. 4.551 × 4 =
  5. 5.118 × 4 =
  6. 6.713 × 9 =
  7. 7.607 × 6 =
  8. 8.901 × 3 =
  9. 9.591 × 3 =
  10. 10.482 × 4 =
  11. 11.489 × 7 =
  12. 12.455 × 9 =
  13. 13.929 × 3 =
  14. 14.785 × 3 =
  15. 15.623 × 5 =
  16. 16.177 × 3 =
  17. 17.737 × 3 =
  18. 18.502 × 7 =
  19. 19.619 × 3 =
  20. 20.839 × 5 =
  21. 21.261 × 6 =
  22. 22.172 × 5 =
  23. 23.883 × 8 =
  24. 24.899 × 4 =
  25. 25.473 × 5 =
  26. 26.725 × 9 =
  27. 27.804 × 3 =
  28. 28.147 × 9 =
  29. 29.621 × 7 =
  30. 30.671 × 8 =
  31. 31.311 × 7 =
  32. 32.143 × 4 =
  33. 33.578 × 6 =
  34. 34.226 × 9 =
  35. 35.236 × 5 =
  36. 36.917 × 7 =
  37. 37.789 × 3 =
  38. 38.252 × 7 =
  39. 39.791 × 7 =
  40. 40.564 × 9 =

Answer key

  1. 1404
  2. 2108
  3. 3812
  4. 2204
  5. 472
  6. 6417
  7. 3642
  8. 2703
  9. 1773
  10. 1928
  11. 3423
  12. 4095
  13. 2787
  14. 2355
  15. 3115
  16. 531
  17. 2211
  18. 3514
  19. 1857
  20. 4195
  21. 1566
  22. 860
  23. 7064
  24. 3596
  25. 2365
  26. 6525
  27. 2412
  28. 1323
  29. 4347
  30. 5368
  31. 2177
  32. 572
  33. 3468
  34. 2034
  35. 1180
  36. 6419
  37. 2367
  38. 1764
  39. 5537
  40. 5076

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