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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 858 · 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. 1.927 × 5 =
  2. 2.755 × 3 =
  3. 3.201 × 5 =
  4. 4.727 × 4 =
  5. 5.118 × 4 =
  6. 6.943 × 4 =
  7. 7.975 × 3 =
  8. 8.221 × 5 =
  9. 9.307 × 7 =
  10. 10.274 × 4 =
  11. 11.251 × 6 =
  12. 12.271 × 5 =
  13. 13.769 × 4 =
  14. 14.254 × 5 =
  15. 15.393 × 4 =
  16. 16.691 × 6 =
  17. 17.222 × 4 =
  18. 18.686 × 5 =
  19. 19.847 × 9 =
  20. 20.355 × 9 =
  21. 21.247 × 3 =
  22. 22.325 × 7 =
  23. 23.369 × 6 =
  24. 24.459 × 4 =
  25. 25.555 × 9 =
  26. 26.511 × 4 =
  27. 27.292 × 5 =
  28. 28.177 × 3 =
  29. 29.441 × 6 =
  30. 30.892 × 6 =
  31. 31.432 × 3 =
  32. 32.502 × 8 =
  33. 33.936 × 7 =
  34. 34.593 × 6 =
  35. 35.245 × 4 =
  36. 36.251 × 8 =
  37. 37.701 × 6 =
  38. 38.842 × 7 =
  39. 39.489 × 7 =
  40. 40.772 × 3 =

Answer key

  1. 4635
  2. 2265
  3. 1005
  4. 2908
  5. 472
  6. 3772
  7. 2925
  8. 1105
  9. 2149
  10. 1096
  11. 1506
  12. 1355
  13. 3076
  14. 1270
  15. 1572
  16. 4146
  17. 888
  18. 3430
  19. 7623
  20. 3195
  21. 741
  22. 2275
  23. 2214
  24. 1836
  25. 4995
  26. 2044
  27. 1460
  28. 531
  29. 2646
  30. 5352
  31. 1296
  32. 4016
  33. 6552
  34. 3558
  35. 980
  36. 2008
  37. 4206
  38. 5894
  39. 3423
  40. 2316

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