1. ### Area of Triangles, Parallelograms, and Trapezoids

• Resource ID: TEKS12_MATH_06_002
• Subject: Math

These activities provide an opportunity for students to explore the area formulas for triangles, trapezoids, and parallelograms.

2. 11

### OnTRACK Grade 8 Math: Proportionality

• Subject: Math

Students learn to to use proportional relationships to describe dilation; explain proportional and non-proportional relationships involving slope; and use proportional and non-proportional relationships to develop foundational concepts of functions.

3. ### Rational Number Coefficients

• Resource ID: T2T07
• Subject: Math

Rational Number Coefficients

4. ### Equations: Combining Like Terms

• Resource ID: T2T08
• Subject: Math

Equations: Combining Like Terms

5. ### Equations: Vertical Alignment Discussion

• Resource ID: T2T09
• Subject: Math

Discussing the best way to help students understand the process of solving an equation.

6. ### Integer Operations: Addition and Subtraction Models

• Resource ID: T2T25
• Subject: Math

Integer Operations: Addition and Subtraction Models

7. ### Integer Operations: Multiplication and Division Models

• Resource ID: T2T26
• Subject: Math

Integer Operations: Multiplication and Division Models

• Resource ID: T2T24
• Subject: Math

9. 2

### OnTRACK Grade 6 Math Module 1

• Subject: Math

This OnTRACK Grade 6 math module feature resources that touch upon student expectations for mathematical process standards, number and operations, proportionality, and personal financial literacy.

10. ### TEA Statistics PowerPoint Slides

• Resource ID: OS_OER_Stat1
• Subject: Math

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

11. 2

### Instructional Support Ancillaries for Statistics

• Subject: Math

Ancillaries for TEA Statistics

12. ### ESTAR/MSTAR

• Resource ID: E_MSTAR001
• Subject: Math

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.

13. ### Teacher2Teacher Math Video Series

• Resource ID: T2TVideos
• Subject: Math

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

14. ### Selecting and Using Representations for Collected Data

• Resource ID: M8M5L5
• Subject: Math

Given a variety of data (including line plots, line graphs, stem and leaf plots, circle graphs, bar graphs, box and whisker plots, histograms, and Venn diagrams), the student will select and use an appropriate representation for presenting and displaying relationships among the collected data with and without the use of technology

15. ### Determining Slopes from Equations, Graphs, and Tables

• Resource ID: M8M2L6*
• Subject: Math

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

16. ### Applying the Order of Operations

• Resource ID: M6M1L1
• Subject: Math

Given a numerical expression including whole number exponents and prime factorization, students will use the order of operations to generate an equivalent expression.

17. ### Generating Equivalent Forms of Rational Numbers

• Resource ID: M6M1L2
• Subject: Math

Given information about a rational number in one form (fraction, decimal, or percent) in a real-world context such as financial mathematics, students will generate an equivalent rational number in a different form.

18. ### Multiple Representations: Tables to Equations and Graphs

• Resource ID: T2T10