What is a Function Editable PowerPoint 8.F.A.1
Slide deck introducing functions for grade 8 math: students examine graphs, an equation and an input-output table to decide whether each shows exactly one output for every input.
- Grades
- Grade 8, Middle School
- File type
- Microsoft PowerPoint
- Editable
- Yes
- Subject
- Math, Algebra
- Topic
- Function, Function definition
- Resource types
- Presentations, Teacher Tools
- Editable
- Yes
About this resource
What's inside this resource
This PowerPoint explains what is a function (and what is not a function). There are continuous graphs, discrete graphs and tables and we focus on the fact that in order to be a function, there have to be only one output for each input.
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In the classroom
Teaching tips & learning objectives
Learning objectives
- Identify input-output pairs on a graph
- Decide whether a graph represents a function and explain why
- Recognize functions written as an equation or a table
Teaching tips
- The non-function examples, such as the graph with two outputs for an input of 5, work well as pause points for students to justify their answer before the explanation appears.
Skills covered
- Reading graphs — naming input-output pairs from example graphs
- Classifying relations — judging whether each pictured graph is a function
- Explaining reasoning — answering the deck's 'Can you explain why?' prompts
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Resource details
Concepts & topics
Core concepts
Core concepts
- Function
- Input and output
- Non-function
- Function table
- Equation
Topics
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