ACT Math

Lesson Plan

Definition as inverse of exponential

Goals / Objectives

State that $\log_b x$ is the exponent to which $b$ must be raised to produce $x$, and convert between $b^y = x$ and $\log_b x = y$ in both directions

Evaluate $\log_b x$ without a calculator when the answer is an integer, a negative integer or a simple fraction, including $\log_b 1 = 0$ and $\log_b b = 1$

Bracket a non-integer logarithm between consecutive integers

Sketch $y = \log_b x$ as the reflection of $y = b^x$ in $y = x$, marking the $x$-intercept and vertical asymptote

Explain why $\log_b x$ requires $x > 0$

Standards

"F 707. Exhibit knowledge of logarithms"

Academic Vocabulary

Not in our source material

Materials

No slides or practice set for this standard yet

Enrichment

This lesson’s brief has no Differentiation

Accommodations

Not in our source material

Anticipatory Set / Bell Work

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Check for Understanding

This lesson’s brief has no Formative Assessment or Assessment Ideas

Guided Practice

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Independent Practice

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Pacing

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