
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.

Modeling Addition and Subtraction of TwoDigit Numbers
 Resource ID: TEKS12_MATH_02_001
 Grade Range: 2
 Subject: Math
In this activity students will model addition and subtraction of twodigit numbers.

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.

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.

Modeling the Volume of a Rectangular Prism
 Resource ID: TEKS12_MATH_05_001
 Grade Range: 5
 Subject: Math
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.

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.

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.

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.

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.

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.

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.

Linear Transformations
 Resource ID: MATH_ALGI_LINTRANS
 Grade Range: 9–12
 Subject: Math
This activity provides an opportunity for students to examine transformations of linear equations.

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.

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.

Absolute Value Inequalities
 Resource ID: MATH_ALGII_ABSVAL
 Grade Range: 9–12
 Subject: Math
This activity provides an opportunity for students to examine how to find solutions to an absolute value inequality.

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.

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.

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 onevariable equations or inequalities in problem situations; and use multiple representations to develop foundational concepts of simultaneous linear equations.

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.

11
OnTRACK Grade 8 Math: Proportionality
 Grade Range: 612
 Subject: Math
Students learn to to use proportional relationships to describe dilation; explain proportional and nonproportional relationships involving slope; and use proportional and nonproportional relationships to develop foundational concepts of functions.