DeKalb County School District Co-Teaching Models (Check All That Apply)

Dr. Ronald E. McNair High School Teacher: Middlebrooks/PennymanDaily Instructional Lesson Plan

Date: Monday November 12, 2012

Course: CCGPS Coordinate AlgebraUnit: 3 – Linear and Exponential FunctionsLesson: Geometric Sequences

Lesson Components Planned Activities

Standards for Mathematical Practice Standards for Mathematical Practice1. Reason abstractly and quantitatively.2. Model with mathematics.3. Use appropriate tools strategically.4. Look for and make use of structure.5. Look for and express regularity in repeated reasoning.(Write out the entire Standards, i.e. 1. Make sense of the problem and preserve in solving them)

Literacy Standards L9-10RST7: Translate quantitative or technical information expressed in words in a text into visual form (e.g., a table or chart) and translate information expressed visually or mathematically (e.g., in an equation) into words.

L9-10WST: Write informative/explanatory texts, including the narration of historical events, scientific procedures/experiments, or technical processes.

Curriculum StandardIdentify the curriculum standard/element to be taught in this lesson.

Common Core State StandardsMCC9‐12.F.IF.2 Use function notation, evaluate functions for inputs in their domains, and interpret statements that use function notation in terms of a context. (Draw examples from linear and exponential functions.)MCC9‐12.F.IF.3 Recognize that sequences are functions, sometimes defined recursively, whose domain is a subset of the integers. (Draw connection to F.BF.2, which requires students to write arithmetic and geometric sequences.)MCC9‐12.F.IF.4 For a function that models a relationship between two quantities, interpret key features of graphs and tables in terms of the quantities, and sketch graphs showing key features given a verbal description of the relationship. Key features include: intercepts; intervals where the function is increasing, decreasing, positive, or negative; relative maximums and minimums; symmetries; end behavior; and periodicity. ★ (Focus on linear and exponential functions.)MCC9‐12.F.IF.5 Relate the domain of a function to its graph and, where applicable, to the quantitative relationship it describes. ★ (Focus on linear and exponential functions.)MCC9‐12.F.LE.1 Distinguish between situations that can be modeled with linear functions and with exponential functions. ★MCC9‐12.F.LE.1a Prove that linear functions grow by equal differences over equal intervals and that exponential functions grow by equal factors over equal intervals. ★

MCC9‐12.F.LE.1b Recognize situations in which one quantity changes at a constant rate per unit interval relative to another. ★MCC9‐12.F.LE.1c Recognize situations in which a quantity grows or decays by a constant percent rate per unit interval relative to another. ★MCC9‐12.F.LE.2 Construct linear and exponential functions, including arithmetic and geometric sequences, given a graph, a description of a relationship, or two input‐output pairs (include reading these from a table). ★MCC9‐12.F.LE.3 Observe using graphs and tables that a quantity increasing exponentially eventually exceeds a quantity increasing linearly, quadratically, or (more generally) as a polynomial function. ★MCC9‐12.F.BF.1a Determine an explicit expression, a recursive process, or steps for calculation from a context. (Limit to linear and exponential functions.)MCC9‐12.F.BF.2 Write arithmetic and geometric sequences both recursively and with an explicit formula, use them to model situations, and translate between the two forms. ★

Learning TargetIdentify the learning skill(s) from the curriculum standard/element that the students will be expected to learn during this lesson.

Mathematical Goals Recognize that sequences are functions sometimes defined recursively Use technology to graph and analyze functions Convert a recursive relationship into an explicit function Construct linear and exponential function (including reading these from a table) Observe the difference between linear and exponential functions

Lesson Opening Activities Teacher Toolkit Student

Parallel Teaching Station to Station Team Teaching