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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 916 · 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. 1.763 × 5 =
  2. 2.582 × 6 =
  3. 3.936 × 4 =
  4. 4.188 × 9 =
  5. 5.341 × 3 =
  6. 6.891 × 9 =
  7. 7.191 × 5 =
  8. 8.373 × 5 =
  9. 9.551 × 8 =
  10. 10.223 × 5 =
  11. 11.602 × 9 =
  12. 12.571 × 9 =
  13. 13.358 × 7 =
  14. 14.962 × 6 =
  15. 15.928 × 8 =
  16. 16.984 × 6 =
  17. 17.618 × 9 =
  18. 18.952 × 9 =
  19. 19.181 × 8 =
  20. 20.901 × 6 =
  21. 21.741 × 6 =
  22. 22.642 × 8 =
  23. 23.654 × 4 =
  24. 24.465 × 6 =
  25. 25.828 × 8 =
  26. 26.727 × 8 =
  27. 27.619 × 5 =
  28. 28.743 × 3 =
  29. 29.702 × 6 =
  30. 30.943 × 4 =
  31. 31.672 × 8 =
  32. 32.751 × 8 =
  33. 33.765 × 5 =
  34. 34.551 × 5 =
  35. 35.957 × 3 =
  36. 36.891 × 3 =
  37. 37.941 × 8 =
  38. 38.643 × 6 =
  39. 39.277 × 4 =
  40. 40.249 × 7 =

Answer key

  1. 3815
  2. 3492
  3. 3744
  4. 1692
  5. 1023
  6. 8019
  7. 955
  8. 1865
  9. 4408
  10. 1115
  11. 5418
  12. 5139
  13. 2506
  14. 5772
  15. 7424
  16. 5904
  17. 5562
  18. 8568
  19. 1448
  20. 5406
  21. 4446
  22. 5136
  23. 2616
  24. 2790
  25. 6624
  26. 5816
  27. 3095
  28. 2229
  29. 4212
  30. 3772
  31. 5376
  32. 6008
  33. 3825
  34. 2755
  35. 2871
  36. 2673
  37. 7528
  38. 3858
  39. 1108
  40. 1743

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