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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 977 · 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. 1.201 × 7 =
  2. 2.332 × 8 =
  3. 3.728 × 7 =
  4. 4.581 × 3 =
  5. 5.884 × 4 =
  6. 6.131 × 5 =
  7. 7.916 × 8 =
  8. 8.301 × 4 =
  9. 9.914 × 3 =
  10. 10.905 × 4 =
  11. 11.391 × 4 =
  12. 12.593 × 4 =
  13. 13.695 × 6 =
  14. 14.831 × 4 =
  15. 15.237 × 5 =
  16. 16.765 × 3 =
  17. 17.976 × 8 =
  18. 18.681 × 6 =
  19. 19.427 × 6 =
  20. 20.223 × 4 =
  21. 21.659 × 4 =
  22. 22.497 × 6 =
  23. 23.472 × 8 =
  24. 24.551 × 5 =
  25. 25.408 × 6 =
  26. 26.131 × 6 =
  27. 27.629 × 3 =
  28. 28.728 × 5 =
  29. 29.316 × 4 =
  30. 30.804 × 3 =
  31. 31.721 × 5 =
  32. 32.144 × 9 =
  33. 33.959 × 7 =
  34. 34.292 × 4 =
  35. 35.458 × 6 =
  36. 36.322 × 8 =
  37. 37.273 × 8 =
  38. 38.852 × 9 =
  39. 39.851 × 8 =
  40. 40.124 × 3 =

Answer key

  1. 1407
  2. 2656
  3. 5096
  4. 1743
  5. 3536
  6. 655
  7. 7328
  8. 1204
  9. 2742
  10. 3620
  11. 1564
  12. 2372
  13. 4170
  14. 3324
  15. 1185
  16. 2295
  17. 7808
  18. 4086
  19. 2562
  20. 892
  21. 2636
  22. 2982
  23. 3776
  24. 2755
  25. 2448
  26. 786
  27. 1887
  28. 3640
  29. 1264
  30. 2412
  31. 3605
  32. 1296
  33. 6713
  34. 1168
  35. 2748
  36. 2576
  37. 2184
  38. 7668
  39. 6808
  40. 372

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