• Resource ID: TEKS12_MATH_04_001
• Grade Range: 4
• Subject: Math

### Parallel and Intersecting Lines

This activity provides an opportunity for students to build an understanding of parallel and intersecting lines.

• Resource ID: TEKS12_MATH_06_002
• Grade Range: 6
• Subject: Math

### Area of Triangles, Parallelograms, and Trapezoids

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

• Resource ID: MATH_IMG_001
• Grade Range: K–8
• Subject: Math

### Interactive Math Glossary

The Interactive Math Glossary is provided by the Texas Education Agency to help teachers explore and understand mathematics vocabulary.

• Resource ID: M8M5L5
• Grade Range: 5–7
• Subject: Math

### Selecting and Using Representations for Collected Data

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

• 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: M6M1L1
• Grade Range: 6
• Subject: Math

### Applying the Order of Operations

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

• Resource ID: PBS445
• Grade Range: K–4
• Subject: Early Childhood

### Nature Cat | The Treasure of Bad Dog Bart

While digging a hole to bury his bone, Hal uncovers Bad Dog Bart's treasure map. Legend has it that Bag Dog Bart stole the neighborhood dogs' toys, and buried them in a treasure chest for himself!

• Resource ID: M6M1L2
• Grade Range: 6
• Subject: Math

### Generating Equivalent Forms of Rational Numbers

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.