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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 230 · 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. 1.917 × 6 =
  2. 2.676 × 9 =
  3. 3.479 × 6 =
  4. 4.496 × 7 =
  5. 5.357 × 9 =
  6. 6.865 × 9 =
  7. 7.351 × 5 =
  8. 8.519 × 4 =
  9. 9.161 × 6 =
  10. 10.513 × 3 =
  11. 11.157 × 7 =
  12. 12.897 × 6 =
  13. 13.229 × 8 =
  14. 14.464 × 5 =
  15. 15.154 × 9 =
  16. 16.141 × 3 =
  17. 17.213 × 7 =
  18. 18.636 × 6 =
  19. 19.615 × 9 =
  20. 20.381 × 4 =
  21. 21.366 × 4 =
  22. 22.314 × 5 =
  23. 23.151 × 9 =
  24. 24.266 × 3 =
  25. 25.465 × 4 =
  26. 26.671 × 4 =
  27. 27.319 × 9 =
  28. 28.359 × 5 =
  29. 29.443 × 5 =
  30. 30.514 × 9 =
  31. 31.721 × 6 =
  32. 32.944 × 7 =
  33. 33.861 × 4 =
  34. 34.722 × 6 =
  35. 35.433 × 6 =
  36. 36.261 × 9 =
  37. 37.721 × 7 =
  38. 38.611 × 4 =
  39. 39.799 × 6 =
  40. 40.313 × 3 =

Answer key

  1. 5502
  2. 6084
  3. 2874
  4. 3472
  5. 3213
  6. 7785
  7. 1755
  8. 2076
  9. 966
  10. 1539
  11. 1099
  12. 5382
  13. 1832
  14. 2320
  15. 1386
  16. 423
  17. 1491
  18. 3816
  19. 5535
  20. 1524
  21. 1464
  22. 1570
  23. 1359
  24. 798
  25. 1860
  26. 2684
  27. 2871
  28. 1795
  29. 2215
  30. 4626
  31. 4326
  32. 6608
  33. 3444
  34. 4332
  35. 2598
  36. 2349
  37. 5047
  38. 2444
  39. 4794
  40. 939

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