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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 882 · 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. 1.377 × 4 =
  2. 2.255 × 8 =
  3. 3.982 × 3 =
  4. 4.513 × 6 =
  5. 5.786 × 8 =
  6. 6.469 × 6 =
  7. 7.603 × 9 =
  8. 8.445 × 8 =
  9. 9.794 × 8 =
  10. 10.459 × 7 =
  11. 11.552 × 5 =
  12. 12.113 × 5 =
  13. 13.904 × 5 =
  14. 14.851 × 6 =
  15. 15.135 × 4 =
  16. 16.441 × 8 =
  17. 17.826 × 3 =
  18. 18.868 × 9 =
  19. 19.215 × 3 =
  20. 20.785 × 7 =
  21. 21.534 × 4 =
  22. 22.202 × 5 =
  23. 23.589 × 4 =
  24. 24.443 × 3 =
  25. 25.131 × 4 =
  26. 26.477 × 3 =
  27. 27.906 × 8 =
  28. 28.286 × 5 =
  29. 29.817 × 3 =
  30. 30.796 × 6 =
  31. 31.783 × 3 =
  32. 32.162 × 9 =
  33. 33.246 × 9 =
  34. 34.462 × 9 =
  35. 35.984 × 9 =
  36. 36.407 × 4 =
  37. 37.831 × 8 =
  38. 38.822 × 7 =
  39. 39.656 × 9 =
  40. 40.639 × 7 =

Answer key

  1. 1508
  2. 2040
  3. 2946
  4. 3078
  5. 6288
  6. 2814
  7. 5427
  8. 3560
  9. 6352
  10. 3213
  11. 2760
  12. 565
  13. 4520
  14. 5106
  15. 540
  16. 3528
  17. 2478
  18. 7812
  19. 645
  20. 5495
  21. 2136
  22. 1010
  23. 2356
  24. 1329
  25. 524
  26. 1431
  27. 7248
  28. 1430
  29. 2451
  30. 4776
  31. 2349
  32. 1458
  33. 2214
  34. 4158
  35. 8856
  36. 1628
  37. 6648
  38. 5754
  39. 5904
  40. 4473

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