• Resource ID: R4SCI0010
• Grade Range: 4
• Subject: Science

### What's Happening with the Weather?

This resource shows how to observe and describe weather changes from day to day and over seasons.

• Resource ID: TEKS12_MATH_02_001
• Grade Range: 2
• Subject: Math

### Modeling Addition and Subtraction of Two-Digit Numbers

In this activity students will model addition and subtraction of two-digit numbers.

• 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: K4SCI002
• Grade Range: 2
• Subject: Science

### Increasing and Decreasing Energy

This resource provides sample activities for teachers to use in helping students to identify and investigate the effects of increasing and decreasing amounts of light, heat, and sound energy on an object.

• Resource ID: R4SCI0037
• Grade Range: 4
• Subject: Science

### Properties of Soil

A Tier 1 earth science instructional resource for grade 4.

• Resource ID: R4SCI0057
• Grade Range: 2
• Subject: Science

### Exploring the Water Cycle

A Tier 1 earth science instructional resource for grade 2.

• Resource ID: ES001
• Grade Range: 3–4
• Subject: Math

### ESTAR II Intervention Modules

ESTAR II intervention modules are designed for students in grades 3 and 4. A total of eight modules containing lessons, student books, and teacher masters are available for download.

• Resource ID: E_MSTAR001
• Grade Range: 2–8
• 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
• Grade Range: 2–5
• Subject: Math

### Measurement: Converting Units of Measure

Measurement: Converting Units of Measure

• Resource ID: T2T05
• Grade Range: 2–5
• Subject: Math

### Building to Measurement with a Ruler

Building to Measurement with a Ruler

• Resource ID: T2T03
• Grade Range: 2
• Subject: Math

### Addition and Subtraction Grade 2

Learn about addition, subtraction, and using number lines to solve two-step problems.

• Resource ID: T2T23
• Grade Range: 4–5
• Subject: Math

### Addition and Subtraction of Fractions Grade 4

Addition and subtraction of fractions grade 4.

• Resource ID: R4SCI0020
• Grade Range: 3–5
• Subject: Science

### Investigating and Comparing Life Cycles

A Tier I life science instructional resource for grade 3

• Resource ID: R4SCI0042
• Grade Range: 2
• Subject: Science

### Living Organisms

A Tier 1 life science instructional resource for grade 2

• Resource ID: R4SCI0048
• Grade Range: 4
• Subject: Science

### Effects of Force

A tier 1 force and motion instructional resource for grade 4.