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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 938 · 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. 1.676 × 7 =
  2. 2.112 × 7 =
  3. 3.889 × 6 =
  4. 4.525 × 7 =
  5. 5.938 × 6 =
  6. 6.631 × 6 =
  7. 7.499 × 5 =
  8. 8.385 × 4 =
  9. 9.653 × 5 =
  10. 10.928 × 9 =
  11. 11.952 × 3 =
  12. 12.609 × 8 =
  13. 13.762 × 4 =
  14. 14.198 × 7 =
  15. 15.278 × 7 =
  16. 16.285 × 4 =
  17. 17.427 × 9 =
  18. 18.487 × 3 =
  19. 19.335 × 5 =
  20. 20.143 × 4 =
  21. 21.447 × 3 =
  22. 22.139 × 9 =
  23. 23.871 × 9 =
  24. 24.275 × 8 =
  25. 25.791 × 3 =
  26. 26.402 × 4 =
  27. 27.367 × 4 =
  28. 28.554 × 8 =
  29. 29.841 × 5 =
  30. 30.657 × 6 =
  31. 31.688 × 4 =
  32. 32.891 × 9 =
  33. 33.564 × 3 =
  34. 34.251 × 7 =
  35. 35.751 × 3 =
  36. 36.439 × 3 =
  37. 37.147 × 5 =
  38. 38.161 × 5 =
  39. 39.631 × 3 =
  40. 40.875 × 8 =

Answer key

  1. 4732
  2. 784
  3. 5334
  4. 3675
  5. 5628
  6. 3786
  7. 2495
  8. 1540
  9. 3265
  10. 8352
  11. 2856
  12. 4872
  13. 3048
  14. 1386
  15. 1946
  16. 1140
  17. 3843
  18. 1461
  19. 1675
  20. 572
  21. 1341
  22. 1251
  23. 7839
  24. 2200
  25. 2373
  26. 1608
  27. 1468
  28. 4432
  29. 4205
  30. 3942
  31. 2752
  32. 8019
  33. 1692
  34. 1757
  35. 2253
  36. 1317
  37. 735
  38. 805
  39. 1893
  40. 7000

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