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Swim Practice: Shared Lap Counts

Interpret intersections of linear graphs using swim practice times, completed laps, and laps remaining.

Grade 8MathInteractive · Printable

Aligned to8.EE.C.8.a

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What’s included

Single worksheet
Auto-graded online
1 Common Core standard
Printable answer key
13 questions
Classroom-ready

Details

Format: Interactive · Printable
Grade: Grade 8
Subject: Math
Question types: Fill in the blank, Multiple choice, Circle the answer, Short answer

About this worksheet

What students practice

Students identify a system's solution as an ordered pair that lies on both linear graphs.
Students interpret both coordinates of an intersection in swimming practice situations.
Students verify shared points using equations, tables, and graphs.

How to use

Provide a ruler so students can connect each named pair of points. Have students label the intersections, then use the final response to check their understanding.

Curriculum

Common Core standard covered

8.EE.C.8.a

Understand that a solution to a system of two linear equations is a point where their graphs cross.

Preview

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Name Date

Swim Practice: Shared Lap Counts

Use graph intersections to compare practice records.

Warm-Up Records

The graphs model distance in laps, including partial laps. Negative times are before the coach's whistle. Use a ruler to draw each line through its two named points.

For this warm-up, x is minutes relative to the whistle and y is laps completed. Draw the line through P and Q for Elena. Draw the line through R and S for Malik. Malik has finished his warm-up and is resting.