• Resource ID: TEKS12_MATH_03_001
• 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: R4SCI0025
• Subject: Science

### Weathering and Decomposition

A Tier 1 earth science instructional resource for grade 3

• Resource ID: R4SCI0052
• Subject: Science

### Exploring Energy

A Tier 1 energy instructional resource for grade 3.

• Resource ID: R4SCI0059
• Subject: Science

### Forces at Work

A Tier 1 force and motion instructional resource for grade 3

• Resource ID: E_MSTAR001
• 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: T2T06
• Subject: Math

### Measurement: Converting Units of Measure

Measurement: Converting Units of Measure

• Resource ID: T2T05
• Subject: Math

### Building to Measurement with a Ruler

Building to Measurement with a Ruler

• Resource ID: LAA_G3_AR

• Resource ID: T2T04
• Subject: Math

placeholder

• Resource ID: AAQ_01

The Asking and Answering Professional Development provides strategies to teach students how to ask and answer questions more effectively to improve comprehension in the classroom and on standardized assessments such as the STAAR.

• Resource ID: DI&SIT

### Determining Importance & Summarizing Informational Text

Determining importance and summarizing is a complicated task for many readers. This professional development provides participants with instructional scaffolds that will help students comprehend informational text.

• Resource ID: PBS333

### Martha's Memory—Martha Speaks | PBS KIDS Lab

Help children understand point of view in storytelling and build vocabulary using this Martha Speaks video! Martha and friends discuss what the words "certain" and "sure" mean, and Martha shares her version of how a game they played ended.

• Resource ID: PBS339

### Honk If You Agree

In these two lesson plans, students will learn to identify issues of importance, form their opinions, and support those opinions with evidence and reason. They will also learn how to state their feelings in a persuasive manner.

• Resource ID: PBS341

### Relative Adverbs | No Nonsense Grammar

A relative adverb is a word that talks about a place, time, or reason for something. Remember the three "w's": where, when, and why.

• Resource ID: PBS342

• Resource ID: PBS343

### Proper Case of Pronouns | No Nonsense Grammar

Pronoun case is determined by how we use the pronoun in a sentence. There are three ways: subjective, when the pronoun does something; objective, when something is done to our pronoun;

• Resource ID: PBS357

### Using the Correct Verb Tense | No Nonsense Grammar

Verb tense is used to show when an action occurs, whether it is in the past, the present, or the future.

• Resource ID: PBS373

### Irregular Plural Nouns | No Nonsense Grammar

While plural nouns often indicate more than one of something with a simple "s" or "es," irregular plural nouns do not. They change the word entirely. Elf becomes elves, tooth becomes teeth!

• Resource ID: PBS387