• Resource ID: M8M2L4*
• Grade Range: 8
• Subject: Math Developing the Concept of Slope

Given multiple representations of linear functions, the student will develop the concept of slope as a rate of change.

• Resource ID: M8M2L14*
• Grade Range: 8
• Subject: Math Comparing and Contrasting Proportional and Non-Proportional Linear Relationships

Given problem solving situations, the student will solve the problems by comparing and contrasting proportional and non-proportional linear relationships.

• Resource ID: M8M2L6*
• Grade Range: 6–8
• Subject: Math Determining Slopes from Equations, Graphs, and Tables

Given algebraic, tabular, and graphical representations of linear functions, the student will determine the slope of the relationship from each of the representations.

• Resource ID: M8M3L2*
• Grade Range: 8
• Subject: Math Demonstrating the Pythagorean Theorem

Given pictures or models that represent the Pythagorean Theorem, the student will demonstrate an understanding of the theorem.

• Resource ID: M8M2L1*
• Grade Range: 8
• Subject: Math Generalizing Proportions from Similar Figures

Given a pair of similar figures, including dilations, students will be able to generalize that the lengths of corresponding sides are proportional.

• Resource ID: M8M2L5*
• Grade Range: 8
• Subject: Math Graphing Proportional Relationships

Given a proportional relationship, students will be able to graph a set of data from the relationship and interpret the unit rate as the slope of the line.

• Resource ID: M8M3L8*
• Grade Range: 8
• Subject: Math Writing Geometric Relationships

Given information in a geometric context, students will be able to use informal arguments to establish facts about the angle sum and exterior angle of triangles, the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles.

• Resource ID: M8M4L1*
• Grade Range: 8
• Subject: Math Comparing and Explaining Transformations

Given rotations, reflections, translations, and dilations, students will be able to develop algebraic representations for rotations, and generalize and then compare and contrast the properties of congruence transformations and non-congruence transformations.

• Resource ID: M8M4L4*
• Grade Range: 8
• Subject: Math Mean Absolute Deviation

Given a set of data with no more than 10 data points, students will be able to determine and use the mean absolute deviation to describe the spread of the data.

• Resource ID: M8M4L5*
• Grade Range: 8
• Subject: Math Generalizing about Populations from Random Samples

Given a population with known characteristics, students will be able to use a variety of methods to generate random samples of the same size in order to understand how a random sample is representative of a population.

• Resource ID: M8M3L7*
• Grade Range: 8
• Subject: Math Predicting, Finding, and Justifying Solutions to Problems

Given application problems, the student will use appropriate tables, graphs, and algebraic equations to find and justify solutions to problems.

• Resource ID: Revised_Math_TEKS_SI
• Grade Range: K–12
• Subject: Math Mathematics TEKS: Supporting Information

This resource presents supporting information of the mathematics TEKS for Kindergarten through Grade 12.

• Resource ID: E_MSTAR001
• Grade Range: 2–8
• Subject: Math ESTAR/MSTAR

The ESTAR/MSTAR Universal Screeners and Diagnostic Assessments are a formative assessment system administered to students in grades 2–8 to support instructional decisions in mathematics.

• Resource ID: T2T02
• Grade Range: K–1
• Subject: Math Addition and Subtraction Grades K–1

Learn about the vertical connection between the kindergarten and first grade addition and subtraction TEKS.

• Resource ID: T2TVideos
• Grade Range: N/A
• Subject: Math Teacher2Teacher Math Video Series

This resource contain links to video resources that demonstrate strategies for teaching mathematics concepts.

• Resource ID: OS_OER_Stat1
• Grade Range: N/A
• Subject: Math TEA Statistics PowerPoint Slides

Instructor PowerPoint slides for TEA High School Statistics open-source instructional material.

• Resource ID: PBS379
• Grade Range: PreK–2
• Subject: Math Sunflower Biscuit Bones (PDF) | Martha Speaks

The PDF of the interactive, informational story "Sunflower Biscuit Bones" designed for in-classroom use.