Florida B.E.S.T. MA.8.AR.3.4
The Standard
Given a mathematical or real-world context, graph a two-variable linear equation from a written description, a table or an equation in slope-intercept form.
Florida B.E.S.T. Standards for Mathematics
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students turn a written situation, a value table, or an equation into a line on a coordinate plane. They identify the starting value and rate of change, choose a scale, and plot accurate points.
What Mastery Looks Like
- Students produce the same accurate line from a context, table, or slope-intercept equation. They choose a useful scale, plot points correctly, and connect them with a straight line. They can explain how the slope and intercept appear on the graph.
Common Misconceptions
- Students may switch the input and output axes or plot the intercept on the wrong axis. They may reverse rise and run, miss a negative slope, or choose an unusable scale. Some plot table values as separate numbers instead of ordered pairs.
How to Assess It
- Exit ticket: A gym charges $12 to join and $4 per visit. Graph the total cost for 0 to 5 visits, then label the intercept and one other point.
Lesson moves
Ways to Teach It
Give each pair an equation card and a taped floor grid; students place beanbags at two points and connect them with string.
Display a table and ask, “How can you find the starting value and rate of change before graphing?” Students defend their methods.
Run a card match with description, table, equation, and graph cards; teams assemble matching sets and explain one match.
Give students a phone plan with a $20 fee and $5 per gigabyte; they graph costs for zero through six gigabytes.
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Printable MA.8.AR.3.4 Worksheet
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Related Standards
- MA.912.AR.9.1
Given a mathematical or real-world context, write and solve a system of two-variable linear equations algebraically or graphically.
- MA.912.AR.2.2
Write a linear two-variable equation to represent the relationship between two quantities from a graph, a written description or a table of values within a math...
- MA.8.AR.3.3
Given a table, graph or written description of a linear relationship, write an equation in slope-intercept form.
- MA.8.AR.3.5
Given a real-world context, determine and interpret the slope and y-intercept of a two-variable linear equation from a written description, a table, a graph or ...
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