Calculus · Week 16 · Contextual Applications of Differentiation

Close Enough? Local Linear Approximation

Using a tangent line to estimate and deciding whether to trust it.

Responsible decision-makingGrades 11 to 12About 20 minutesAP Calculus AB
Open this activityAll Calculus activities
Students will
Students write tangent lines to estimate 3 values and use concavity to decide if each estimate is an overestimate or an underestimate.
SEL skill
Use an estimate and the direction of its error to make a claim you can defend
What it looks like
Students practice responsible decision-making by using an estimate and its error direction to make a claim they can defend.
Content focus
Tangent line approximation and over or under estimates
Format
Structured discussion

Responsible decision-making

Responsible decision-making means making a choice you can defend by weighing the evidence, like deciding if a tangent line estimate is reliable enough to answer a real question. More responsible decision-making activities

What you get

A teacher guide with what to say, step by step, plus student pages and a supports page for students with diverse learning needs, including those with IEPs. Print or Project it, or assign it in Google Forms and Google Docs for Google Classroom. Your first 10 activities are free.

Standards

More responsible decision-making activities for Calculus

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