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Fitness Tracker: Alert Thresholds

Write fitness-tracker inequalities, test step and heart-rate readings, and graph solution sets with strict boundaries.

Grade 6MathInteractive · Printable

Aligned to6.EE.B.8

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What’s included

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

Details

Format: Interactive · Printable
Grade: Grade 6
Subject: Math
Question types: Fill in the blank, Multiple choice, Matching, Circle the answer, Sorting, Short answer, Drawing

About this worksheet

What students practice

Students write inequalities to represent strict limits on step counts and heart-rate readings.
Students test values and graph solutions of inequalities using open circles and directional rays.
Students explain why an inequality can have infinitely many real-number solutions.

How to use

Use after introducing inequality symbols. Have students mark graph endpoints carefully, then discuss the difference between whole-number step counts and real-number solutions.

Curriculum

Common Core standard covered

6.EE.B.8

Write inequalities like x > c or x < c for real-world limits, see they have infinitely many solutions, and graph them.

Preview

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Name Date

Fitness Tracker: Alert Thresholds

Model strict limits with inequalities and number-line graphs.

Translate Tracker Rules

Use > for greater than and < for less than. A strict limit does not include its boundary value.

A tracker displays a badge only when the daily step count is more than 7,200. Let n be the daily step count. Which inequality represents the badge rule?

A. n > 7,200
B. n > 7,201
C. n < 7,201
D. n < 7,200

During a cooldown, a tracker highlights a heart-rate reading below 94 beats per minute. Let x be the reading in beats per minute. Which inequality represents this rule?