MATHEMATICSAlgebra
Function Machines
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IN
OUT
● Learning Path Verified 11+
Function Machines
Track inputs and outputs through operational machines.
What you'll learn
Core 11+ exam skills
Finding Outputs
Develop foundational techniques logically.
Finding Inputs
Apply mathematical rules to varying scenarios.
Two-Step Machines
Learn to track calculations dynamically.
Writing the Formula
Verify accuracy and solve efficiently.
Core Framework
The mechanics of Function Machines
Inputs to Outputs
Follow the arrows and perform the operations.
Working Backwards
Use inverse operations to go from Out to In.
Two Operations
Order is crucial. Do them in the sequence shown.
Algebraic Forms
Converting a machine into an expression.
Key Facts to Remember
💡
Working backwards means doing the exact opposite operations.
🔄
+ becomes -, × becomes ÷.
➕
The order operations are applied changes the final answer completely.
➖
Function machines are the building blocks of computer programming.
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