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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 303 · 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. 1.654 × 4 =
  2. 2.733 × 5 =
  3. 3.708 × 5 =
  4. 4.741 × 5 =
  5. 5.562 × 9 =
  6. 6.429 × 7 =
  7. 7.569 × 6 =
  8. 8.144 × 7 =
  9. 9.125 × 4 =
  10. 10.379 × 7 =
  11. 11.284 × 3 =
  12. 12.664 × 7 =
  13. 13.894 × 9 =
  14. 14.665 × 4 =
  15. 15.765 × 5 =
  16. 16.774 × 8 =
  17. 17.635 × 6 =
  18. 18.581 × 6 =
  19. 19.623 × 7 =
  20. 20.496 × 7 =
  21. 21.291 × 4 =
  22. 22.357 × 9 =
  23. 23.782 × 5 =
  24. 24.941 × 9 =
  25. 25.764 × 5 =
  26. 26.536 × 9 =
  27. 27.171 × 8 =
  28. 28.556 × 4 =
  29. 29.192 × 8 =
  30. 30.951 × 9 =
  31. 31.302 × 8 =
  32. 32.341 × 7 =
  33. 33.253 × 8 =
  34. 34.782 × 8 =
  35. 35.984 × 6 =
  36. 36.159 × 4 =
  37. 37.625 × 5 =
  38. 38.509 × 8 =
  39. 39.195 × 3 =
  40. 40.314 × 8 =

Answer key

  1. 2616
  2. 3665
  3. 3540
  4. 3705
  5. 5058
  6. 3003
  7. 3414
  8. 1008
  9. 500
  10. 2653
  11. 852
  12. 4648
  13. 8046
  14. 2660
  15. 3825
  16. 6192
  17. 3810
  18. 3486
  19. 4361
  20. 3472
  21. 1164
  22. 3213
  23. 3910
  24. 8469
  25. 3820
  26. 4824
  27. 1368
  28. 2224
  29. 1536
  30. 8559
  31. 2416
  32. 2387
  33. 2024
  34. 6256
  35. 5904
  36. 636
  37. 3125
  38. 4072
  39. 585
  40. 2512

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