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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 202 · 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. 1.854 × 9 =
  2. 2.735 × 6 =
  3. 3.502 × 5 =
  4. 4.742 × 3 =
  5. 5.942 × 3 =
  6. 6.634 × 8 =
  7. 7.293 × 9 =
  8. 8.631 × 8 =
  9. 9.619 × 4 =
  10. 10.371 × 5 =
  11. 11.366 × 6 =
  12. 12.462 × 4 =
  13. 13.139 × 3 =
  14. 14.867 × 5 =
  15. 15.229 × 6 =
  16. 16.589 × 6 =
  17. 17.611 × 5 =
  18. 18.195 × 8 =
  19. 19.691 × 6 =
  20. 20.954 × 9 =
  21. 21.147 × 3 =
  22. 22.988 × 5 =
  23. 23.257 × 7 =
  24. 24.711 × 6 =
  25. 25.976 × 7 =
  26. 26.931 × 7 =
  27. 27.204 × 8 =
  28. 28.793 × 3 =
  29. 29.659 × 4 =
  30. 30.364 × 5 =
  31. 31.946 × 5 =
  32. 32.132 × 4 =
  33. 33.301 × 5 =
  34. 34.355 × 8 =
  35. 35.175 × 4 =
  36. 36.208 × 5 =
  37. 37.651 × 4 =
  38. 38.707 × 4 =
  39. 39.452 × 4 =
  40. 40.151 × 5 =

Answer key

  1. 7686
  2. 4410
  3. 2510
  4. 2226
  5. 2826
  6. 5072
  7. 2637
  8. 5048
  9. 2476
  10. 1855
  11. 2196
  12. 1848
  13. 417
  14. 4335
  15. 1374
  16. 3534
  17. 3055
  18. 1560
  19. 4146
  20. 8586
  21. 441
  22. 4940
  23. 1799
  24. 4266
  25. 6832
  26. 6517
  27. 1632
  28. 2379
  29. 2636
  30. 1820
  31. 4730
  32. 528
  33. 1505
  34. 2840
  35. 700
  36. 1040
  37. 2604
  38. 2828
  39. 1808
  40. 755

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