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

• Resource ID: TEA001
• Grade Range: K–8
• Subject: Math

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.

2. ### Vertical Alignment Charts for Revised Mathematics TEKS

• Resource ID: Revised_Math_TEKS_VA
• Grade Range: K–12
• Subject: Math

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

3. ### Representing Whole Number Quantities

• Resource ID: TEKS12_MATH_K_001
• Grade Range: K
• Subject: Math

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

4. ### Making Ten and Applying Properties of Operations

• Resource ID: TEKS12_MATH_01_001
• Grade Range: 1
• Subject: Math

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

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

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

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

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

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

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

7. ### Parallel and Intersecting Lines

• Resource ID: TEKS12_MATH_04_001
• Grade Range: 4
• Subject: Math

This activity provides an opportunity for students to build an understanding of parallel and intersecting lines.

8. ### Exploring the Ratio of Circumference to Diameter

• Resource ID: TEKS12_MATH_07_003
• Grade Range: 7
• Subject: Math

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.

9. ### Area of Triangles, Parallelograms, and Trapezoids

• Resource ID: TEKS12_MATH_06_002
• Grade Range: 6
• Subject: Math

These activities provide an opportunity for students to explore the area formulas for triangles, trapezoids, and parallelograms.

10. ### Reflections

• Resource ID: TEKS12_MATH_07_001
• Grade Range: 8
• Subject: Math

These activities provide an opportunity for students to explore reflections both on and off of a coordinate plane.

11. ### Translations

• Resource ID: TEKS12_MATH_07_002
• Grade Range: 8
• Subject: Math

These activities provide an opportunity for students to explore translations both on and off of a coordinate plane.

12. ### Dilations

• Resource ID: TEKS12_MATH_08_001
• Grade Range: 8
• Subject: Math

These activities provide an opportunity for students to explore dilations both on and off of a coordinate plane.

13. ### Interactive Math Glossary

• Resource ID: MATH_IMG_001
• Grade Range: K–8
• Subject: Math

The Interactive Math Glossary is provided by the Texas Education Agency to help teachers explore and understand mathematics vocabulary.

14. ### Linear Inequalities

• Resource ID: MATH_ALGI_LININEQ
• Grade Range: 9–12
• Subject: Math

This activity provides an opportunity for students to examine how to find solutions to linear inequalities.

15. ### Introduction to Logical Reasoning

• Resource ID: MATH_GEO_LOGIC
• Grade Range: 9–12
• Subject: Math

This activity provides the opportunity to explore the validity of the converse, inverse, and contrapositive of statements. It also assists in recognizing the connections between biconditional statements and true conditional statements with a true converse.

16. ### Introduction to Probability

• Resource ID: MATH_GEO_PROB
• Grade Range: 9–12
• Subject: Math

This activity provides the opportunity to explore the difference between finding the probability of independent events and dependent events. It also addresses how to use a tree diagram when calculating conditional probabilities.

17. ### Formulating and Solving Square Root Equations

• Resource ID: MATH_ALGII_SQRT
• Grade Range: 9–12
• Subject: Math

This activity provides an opportunity for students to use a square root equation to model a situation and then use the model to make predictions.

18. 4

### OnTRACK Grade 7 Math: Number and Operations

• Grade Range: 7
• Subject: Math

Students will learn how to apply mathematical process standards to represent and use real numbers in a variety of forms.

19. 7

### OnTRACK Grade 7 Math: Expressions, Equations, and Relationships

• Grade Range: 7
• Subject: Math

Students will learn to develop mathematical relationships and make connections to geometric formulas; use geometry to solve problems; use one-variable equations or inequalities in problem situations; and use multiple representations to develop foundational concepts of simultaneous linear equations.

20. 4

### OnTRACK Grade 8 Math: Number and Operations

• Grade Range: 8
• Subject: Math

Students will learn how to apply mathematical process standards to represent and use real numbers in a variety of forms.