• 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: MATH_IMG_001
• 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: PBS328

This resource group teaches students a wide variety of reading strategies. It touches on such issues as careful reading and follow-through, context clues, capitalization, transition words, features of printed text, and the relationship between text and illustration.

• Resource ID: PBS329

### Words from the Wild: R

Jahreese identifies words containing the letter "r" around his neighborhood in Harlem. This resource teaches reading, decoding, spelling, and vocabulary.

• Resource ID: PBS331

Knowing that "ew" and "u" produce the same sound, Henry and Charlotte play a game collecting words using those letters/letter combinations from signs and billboards along the road.

• 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: PBS334

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

Help children build vocabulary using this Martha Speaks video! Martha defines the word perspective.

• Resource ID: PBS335

### Forming and Using Possessive Nouns | No Nonsense Grammar

Possessives show when a noun belongs to someone. It is often indicated with an apostrophe "s," but when words end in "s" only an apostrophe is added.

• Resource ID: PBS336

### Music Video: Capitalize

Lisa sings "Time to Capitalize" to teach children the rules of capitalization. This resource teaches capitalization, punctuation, spelling, and the concept behind proper nouns.

• Resource ID: PBS337

### Music Video: Jessica & Shock—"IE" Song

Shock and Jessica rap and beatbox about how to pronounce the "ie" vowel combination. This resource teaches decoding, reading, and sight-reading.

• Resource ID: PBS338

### The Electric Company Magazine | Issue Two

In this issue of The Electric Company Magazine, children will build literacy skills through games and reading adventures with Jessica and the gang.

• 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: PBS340

### What Are Collective Nouns | No Nonsense Grammar

A collective noun is a word that refers to a group, such as a collection, a herd, a team!

• 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: 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: PBS344

### The Most Magical Magician's Convention | WordGirl

Everyone in the Botsford family is excited to attend the Magician's Convention, except for Becky.

• Resource ID: PBS345

### Tim Botsford, Fashionista | WordGirl

Mr. Botsford unknowingly starts the city's latest fashion trend.

• Resource ID: PBS346

### Hello There, Earth Kids! | WordGirl

Rex, AKA Kid Math, is trying to keep his identity a secret from the kids at school, but he's not doing a very good job.

• Resource ID: PBS352