AFM.7.a
Use various counting models (including tree diagrams and lists) to identify the distinguishing factors of a context in which the Fundamental Counting Principle can be applied.
Example Problems
Ravi bought 4 newly released comic books and wants to line them up on his shelf in some order.
How many unique arrangements can Ravi make?
How many unique arrangements can Ravi make?
A digital security lock uses the six distinct letters A – F, and its code requires all six letters with none repeated.
How many unique codes can be formed?
How many unique codes can be formed?
A service robot has 6 maintenance tasks to perform overnight. Each task must be done exactly once, and the sequence affects efficiency.
How many unique task schedules can the robot follow?
How many unique task schedules can the robot follow?

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