• Resource ID: TEKS12_MATH_03_001
• Grade Range: 3
• Subject: Math

### Determining the Perimeter of a Polygon (Series and Activity 1)

This activity provides an opportunity for students to investigate the perimeter of polygons.

• Resource ID: GT001
• Grade Range: K–12
• Subject:

### Texas Performance Standards Project

These videos introduce the Texas Performance Standards Project (TPSP), a resource for providing differentiated instruction to gifted/talented (G/T) students.

• Resource ID: R4SCI0025
• Grade Range: 3
• Subject: Science

### Weathering and Decomposition

A Tier 1 earth science instructional resource for grade 3

• Resource ID: R4SCI0026
• Grade Range: 1
• Subject: Science

### Soil

A Tier 1 earth science instructional resource for grade 1.

• 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: R4SCI0040
• Grade Range: 3
• Subject: Science

### Heating and Cooling

A Tier 1 physical science instructional resource for grade 3.

• Resource ID: R4SCI0043
• Grade Range: K
• Subject: Science

### Living and Nonliving

A Tier 1 life science instructional resource for kindergarten.

• Resource ID: R4SCI0052
• Grade Range: 3
• Subject: Science

### Exploring Energy

A Tier 1 energy instructional resource for grade 3.

• Resource ID: R4SCI0058
• Grade Range: K
• Subject: Science

### Rocks Rock

A Tier 1 earth science instructional resource for kindergarten.

• Resource ID: R4SCI0059
• Grade Range: 3
• Subject: Science

### Forces at Work

A Tier 1 force and motion instructional resource for grade 3

• Resource ID: GS001
• Grade Range: N/A
• Subject:

### Getting Started Guide

New to the Texas Gateway? This interactive guide will help you get started today!

• Resource ID: R4ISCI001
• Grade Range: K–8
• Subject: Science

### Interactive Science Glossary

The Interactive Science Glossary is a resource that supports students who are learning the language of science. This resource includes written and spoken definitions and sentences in both Spanish and English. Students can even create, download, and print their own vocabulary cards.

• Resource ID: ss5ojYSi@6
• Grade Range: N/A
• Subject:

### 1.1 Physics: Definitions and Applications

High School Physics Chapter 1 Section 1

• Resource ID: mka-VUsn@6
• Grade Range: N/A
• Subject:

### 1.2 The Scientific Methods

High School Physics Chapter 1 Section 2

• Resource ID: cobMSuK0@6
• Grade Range: N/A
• Subject:

### 1.3 The Language of Physics: Physical Quantities and Units

High School Physics Chapter 1 Section 3

• Resource ID: PaVhQ6K9@8.1
• Grade Range: N/A
• Subject:

### Chapter Review

High School Physics Chapter 1 Chapter Review

• Resource ID: fDgooRE4@8.1
• Grade Range: N/A
• Subject:

### Test Prep

High School Physics Chapter 1 Test Prep

• Resource ID: FI88psU4@6
• Grade Range: N/A
• Subject:

### 3.1 Acceleration

High School Physics Chapter 3 Section 1

• Resource ID: gH18f_lH@7
• Grade Range: N/A
• Subject:

### 3.2 Representing Acceleration with Equations and Graphs

High School Physics Chapter 3 Section 2

• Resource ID: xsSvhTnt@8.1
• Grade Range: N/A
• Subject:

### Chapter Review

High School Physics Chapter 3 Chapter Review