• Resource ID: TEA001
• Subject: Math

### TXRCFP: Texas Response to Curriculum Focal Points for K-8 Mathematics Revised 2013

The Texas Response to Curriculum Focal Points Revised 2013 was created from the 2012 revision of the TEKS as a guide for implementation of effective mathematics instruction by identifying critical areas of content at each grade level.

• Resource ID: R4SCI0007
• Subject: Science

### Monohybrid and Dihybrid Crosses

Learners calculate the probability of genotypic inheritance and phenotypic expression using mono- and dihybrid crosses.

• Resource ID: R4SCI0008
• Subject: Science

### Mechanisms of Evolution Beyond Natural Selection

Learners analyze and evaluate the effects of other evolutionary mechanisms.

• Resource ID: R4SCI0010
• 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: R4SCI0011
• Subject: Science

### Introduction to Plate Tectonics

This resource is intended to use for Tier I classroom instruction.

• Resource ID: R4SCI0012
• Subject: Science

### Human Impact

This resource can be used, in conjunction with best practices, for Tier I classroom instruction.

• Resource ID: R4SCI0013
• Subject: Science

### Energy and Matter in Cells

Learners compare changes in matter that take place during energy conversion processes such as photosynthesis and cellular respiration.

• Resource ID: Revised_Math_TEKS_VA
• Subject: Math

### Vertical Alignment Charts for Revised Mathematics TEKS

This resource provides vertical alignment charts for the revised mathematics TEKS.

• Resource ID: R4SCI0014
• Subject: Science

### Energy and Matter in Ecosystems

Learners analyze food chains, webs, and pyramids to determine how energy flows and matter cycles through ecosystems.

• Resource ID: R4SCI0016
• Subject: Science

### Introducing the Atom

A resource to be used for Tier I instruction for the introduction of the structure of atoms.

• Resource ID: TEKS12_MATH_K_001
• Subject: Math

### Representing Whole Number Quantities

This activity provides an opportunity for students to represent whole numbers with pictures.

• Resource ID: TEKS12_MATH_01_001
• Subject: Math

### Making Ten and Applying Properties of Operations

In these activities students will explore and identify patterns in related addition and subtractions number sentences.

• Resource ID: TEKS12_MATH_02_001
• 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_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: TEKS12_MATH_04_001
• 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_05_001
• Subject: Math

### Modeling the Volume of a Rectangular Prism

This activity provides an opportunity for students to model the volume of a rectangular prism and make connections to the formula, V=l ´ w ´ h.

• Resource ID: TEKS12_MATH_07_003
• Subject: Math

### Exploring the Ratio of Circumference to Diameter

This activity provides an opportunity for students to explore the ratio of the circumference of its circle to the length of its diameter in order to generalize the ratio for pi.

• Resource ID: TEKS12_MATH_06_002
• 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: TEKS12_MATH_07_001