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# Texas Lesson Study

Mathematics

Texas Lesson Study (TXLS) is inquiry-based, job-embedded professional development where teachers work collaboratively to develop, teach, and assess research-based lessons. Training and meeting schedules for TXLS are tailored to fit each campus' needs. Teacher-designed lessons created as part of TXLS are video recorded and available on the Texas Gateway. TXLS is part of the TEA strategic plan 2017-2021, set forth by Commissioner Mike Morath.

Published lessons are available on the Texas Gateway and include research, formative assessment, materials, plan, and a reflection. Use the tabs above to view lessons for each grade level.

 Title and Link TEKS Brief Overview 6th grade How Does the Cookie Crumble? 6(3)(E) Students will self-discover how to multiply mixed numbers by using background knowledge of estimation, computations, and real-world application of a recipe. Roll with It 6(5)(A) Students will experience a hands-on lesson regarding ratios. While doing this, students will deepen their understanding of the concepts of ratios. 7th grade Modeling and Solving Two-Step Equations 7(11)(A), 7(11)(B) Students will use various materials to create models of two-step equations. Then, they will take an equation, create their own model, and solve for the variable from the model. Equations and Inequalities 7(11)(A) Using a graphic organizer, students will write and solve a one-variable, two-step equation using the distributive property. They also will draw a picture and justify their solution. Does Paper Have Volume? 7(9)(A), 7(5)(C) Students will be involved in a problem-solving lesson to determine if paper has volume, find the volume of a piece of paper and a ream of paper, and determine how many pieces of paper will fit inside their classroom. Discovering the Ratio or Pi 7(5)(B), 7(8)(C) Students will discover the ratio of pi by relating the circumference to the diameter of various circles. Students will use this ratio to approximate the formulas for circumference. Volume of Triangular Prisms 7(9)(A) Students will use hands-on manipulatives to discover the connection between the shape of the base and the height to determine the volume of a prism. Compound Probability: Independent vs. Dependent Events 7th; 7(6)(I) Students will review steps for solving compound probability problems through an activity involving doughnuts. Students will then determine the difference between independent and dependent events through compound probability task cards. To encourage students to work through their struggle, students will rate themselves on a scale measuring effort and achievement at the end of the lesson. Area of Composite Figures 7(9)(C) Students will progress through performance tasks to strengthen their understanding of composite figures. During the performance tasks, students will refer to blueprints to find missing dimensions and solve for composite area. Are of Composite Figures 7(9)(C) Student groups will work collaboratively using the appropriate formulas to find the area of simple figures and combine the area of each shape to find the area of composite figures in real-world situations. Diagramming Dinosaurs 7(4)(A) Students will use a verbal representation to explore a constant rate of change in the size of dinosaurs over a period of time and represent their data by graphing. Comparing Box Plots and Dot Plots 7(6)(F); 7(6)(G); 7(12)(A); 7(12)(B); 7(12)(C) This lesson is a 90-minute lesson that can be delivered in one block or split into two 45 minute lessons. The first part of the lesson engages students in a notice/wonder activity that is designed to help students begin to question how data is represented in box plots and dot plots. The second part of the lesson is designed for students to compare data in box plots and dot plots and identify truths and untruths about the representations. 8th grade Four Representations of Linear Relationships 8(5)(B), 8(5)(I) Given one representation of a linear relationship, students will create a poster displaying the other three representations of linear relationships.

 Title and Link TEKS Brief Overview Algebra Up, Up, and Away A(2)(C), A(2)(B), A(1)(B) Students will determine an appropriate tabular/graphic/formulaic linear solution given 3 sets of data points. Laws of Exponents A(11)(B) Students will discover the laws of exponents using problem-solving skills. Rate of Change A(3)(B) The students will determine the rate of change from tables and graphs by using the slope formula. The students will discover and interpret the real-world applications of rate of change. Algebra II Solving Rational Equations 2A(6)(I) Students will discuss and formulate an equation to solve an engaging real-world problem. They will use manipulatives to describe how to find the common denominator they need to solve the equation. They will break up into groups and solve for a more complicated problem. Square Root Regression 2A(4); 2A(4)(E) This lesson is a student discovery lesson that culminates in square root regression with technology. Students will use their study of inverses, the relationship between quadratic and square root functions, their previous knowledge of regression, and determine how to find the square root regression of real-world data.

Emili Foster, M.Ed.
Texas Lesson Study Facilitator
efoster@esc7.net
(903) 988-6801