
What’s Trending with the Elements?
 Resource ID: R4SCI0027
 Grade Range: 10–12
 Subject: Science
This resource, aligned with Chemistry TEKS (5)(C), provides alternative or additional tierone learning options for students using the periodic table to identify and explain trends.

Using Logical Reasoning to Prove Conjectures about Circles
 Resource ID: GM1L19
 Grade Range: 9–12
 Subject: Math
Given conjectures about circles, the student will use deductive reasoning and counterexamples to prove or disprove the conjectures.

Generalizing Geometric Properties of Ratios in Similar Figures
 Resource ID: GM2L3
 Grade Range: 9–12
 Subject: Math
Students will investigate patterns to make conjectures about geometric relationships and apply the definition of similarity, in terms of a dilation, to identify similar figures and their proportional sides and congruent corresponding angles.

Determining Area: Sectors of Circles
 Resource ID: GM4L3
 Grade Range: 9–12
 Subject: Math
Students will use proportional reasoning to develop formulas to determine the area of sectors of circles. Students will then solve problems involving the area of sectors of circles.

Making Conjectures About Circles and Segments
 Resource ID: GM4L16
 Grade Range: 9–12
 Subject: Math
Given examples of circles and the lines that intersect them, the student will use explorations and concrete models to formulate and test conjectures about the properties and relationships among the resulting segments.

Determining Area: Regular Polygons and Circles
 Resource ID: GM4L1
 Grade Range: 9–12
 Subject: Math
The student will apply the formula for the area of regular polygons to solve problems.

Making Conjectures About Circles and Angles
 Resource ID: GM4L16a
 Grade Range: 9–12
 Subject: Math
Given examples of circles and the lines that intersect them, the student will use explorations and concrete models to formulate and test conjectures about the properties of and relationships among the resulting angles.

Domain and Range: Numerical Representations
 Resource ID: A2M1L1
 Grade Range: 9–12
 Subject: Math
Given a function in the form of a table, mapping diagram, and/or set of ordered pairs, the student will identify the domain and range using set notation, interval notation, or a verbal description as appropriate.

Solving Problems With Similar Figures
 Resource ID: GM5L2
 Grade Range: 9–12
 Subject: Math
Given problem situations involving similar figures, the student will use ratios to solve the problems.

Transformations of Square Root and Rational Functions
 Resource ID: A2M3L3
 Grade Range: 9–12
 Subject: Math
Given a square root function or a rational function, the student will determine the effect on the graph when f(x) is replaced by af(x), f(x) + d, f(bx), and f(x  c) for specific positive and negative values.

Transformations of Exponential and Logarithmic Functions
 Resource ID: A2M3L4
 Grade Range: 9–12
 Subject: Math
Given an exponential or logarithmic function, the student will describe the effects of parameter changes.

Solving Square Root Equations Using Tables and Graphs
 Resource ID: A2M6L2A
 Grade Range: 9–12
 Subject: Math
Given a square root equation, the student will solve the equation using tables or graphs  connecting the two methods of solution.

Functions and their Inverses
 Resource ID: A2M3L8
 Grade Range: 9–12
 Subject: Math
Given a functional relationship in a variety of representations (table, graph, mapping diagram, equation, or verbal form), the student will determine the inverse of the function.

Rational Functions: Predicting the Effects of Parameter Changes
 Resource ID: A2M7L0
 Grade Range: 9–12
 Subject: Math
Given parameter changes for rational functions, students will be able to predict the resulting changes on important attributes of the function, including domain and range and asymptotic behavior.

Genetic Mutations
 Resource ID: R4SCI0032
 Grade Range: 9–12
 Subject: Science
This resource uses video, animation, text, and webbased interactives to help students identify changes in DNA and evaluate the effects of those changes.

The Gilded Age
 Resource ID: USHM1L1b
 Grade Range: 9–12
 Subject: Social Studies
Given background information, students will be able to identify economic, social, and political issues surrounding the Gilded Age. Students will identify significant historical figures associated with the Gilded Age.

The Causes of the Great Depression
 Resource ID: USHM3L1
 Grade Range: 9–12
 Subject: Social Studies
The student understands the causes of the Great Depression.

Political Influences of the Great Depression
 Resource ID: USHM3L4
 Grade Range: 9–12
 Subject: Social Studies
Given primary and secondary sources of information about selected New Deal measures (e.g., the creation of the Civilian Conservation Corps or the passage of the Agricultural Adjustment Act), students will analyze how these measures affected various regions of the United States.

World War II Impact on U.S. Economy and Society
 Resource ID: USHM3L10
 Grade Range: 9–12
 Subject: Social Studies
Given background information, students will identify the social and economic impact of World War II on the American home front, such as the Great Depression, rationing, and increased opportunity for women and minority employment.

Internal Feedback Mechanisms
 Resource ID: R4SCI0033
 Grade Range: 9–12
 Subject: Science
This resource utilizes videos, intestigations, and interactives to help students understand and describe the role of internal feedback mechanisms.