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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 971 · 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. 1.701 × 3 =
  2. 2.199 × 6 =
  3. 3.533 × 9 =
  4. 4.172 × 5 =
  5. 5.761 × 3 =
  6. 6.679 × 9 =
  7. 7.164 × 8 =
  8. 8.902 × 4 =
  9. 9.943 × 7 =
  10. 10.985 × 3 =
  11. 11.865 × 3 =
  12. 12.199 × 5 =
  13. 13.206 × 9 =
  14. 14.417 × 6 =
  15. 15.708 × 4 =
  16. 16.169 × 5 =
  17. 17.214 × 6 =
  18. 18.359 × 4 =
  19. 19.686 × 6 =
  20. 20.925 × 8 =
  21. 21.292 × 8 =
  22. 22.491 × 7 =
  23. 23.723 × 5 =
  24. 24.462 × 3 =
  25. 25.625 × 9 =
  26. 26.306 × 6 =
  27. 27.578 × 8 =
  28. 28.788 × 5 =
  29. 29.902 × 7 =
  30. 30.193 × 7 =
  31. 31.345 × 8 =
  32. 32.886 × 7 =
  33. 33.705 × 7 =
  34. 34.143 × 4 =
  35. 35.327 × 9 =
  36. 36.277 × 9 =
  37. 37.765 × 4 =
  38. 38.893 × 6 =
  39. 39.118 × 9 =
  40. 40.365 × 3 =

Answer key

  1. 2103
  2. 1194
  3. 4797
  4. 860
  5. 2283
  6. 6111
  7. 1312
  8. 3608
  9. 6601
  10. 2955
  11. 2595
  12. 995
  13. 1854
  14. 2502
  15. 2832
  16. 845
  17. 1284
  18. 1436
  19. 4116
  20. 7400
  21. 2336
  22. 3437
  23. 3615
  24. 1386
  25. 5625
  26. 1836
  27. 4624
  28. 3940
  29. 6314
  30. 1351
  31. 2760
  32. 6202
  33. 4935
  34. 572
  35. 2943
  36. 2493
  37. 3060
  38. 5358
  39. 1062
  40. 1095

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