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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 853 · 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. 1.963 × 4 =
  2. 2.426 × 3 =
  3. 3.704 × 9 =
  4. 4.978 × 6 =
  5. 5.261 × 9 =
  6. 6.946 × 3 =
  7. 7.334 × 3 =
  8. 8.354 × 5 =
  9. 9.371 × 7 =
  10. 10.439 × 6 =
  11. 11.669 × 5 =
  12. 12.784 × 7 =
  13. 13.915 × 9 =
  14. 14.842 × 7 =
  15. 15.591 × 9 =
  16. 16.827 × 6 =
  17. 17.208 × 9 =
  18. 18.117 × 8 =
  19. 19.462 × 3 =
  20. 20.928 × 4 =
  21. 21.387 × 8 =
  22. 22.201 × 9 =
  23. 23.967 × 6 =
  24. 24.525 × 4 =
  25. 25.133 × 4 =
  26. 26.273 × 9 =
  27. 27.192 × 3 =
  28. 28.507 × 8 =
  29. 29.569 × 6 =
  30. 30.464 × 7 =
  31. 31.893 × 3 =
  32. 32.926 × 8 =
  33. 33.481 × 4 =
  34. 34.804 × 5 =
  35. 35.147 × 8 =
  36. 36.975 × 6 =
  37. 37.286 × 9 =
  38. 38.565 × 8 =
  39. 39.861 × 7 =
  40. 40.969 × 8 =

Answer key

  1. 3852
  2. 1278
  3. 6336
  4. 5868
  5. 2349
  6. 2838
  7. 1002
  8. 1770
  9. 2597
  10. 2634
  11. 3345
  12. 5488
  13. 8235
  14. 5894
  15. 5319
  16. 4962
  17. 1872
  18. 936
  19. 1386
  20. 3712
  21. 3096
  22. 1809
  23. 5802
  24. 2100
  25. 532
  26. 2457
  27. 576
  28. 4056
  29. 3414
  30. 3248
  31. 2679
  32. 7408
  33. 1924
  34. 4020
  35. 1176
  36. 5850
  37. 2574
  38. 4520
  39. 6027
  40. 7752

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