
 Resource ID: GM4L3
 Grade Range: 9–12
 Subject: Math
Determining Area: Sectors of Circles
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.

 Resource ID: GM1L18
 Grade Range: 9–12
 Subject: Math
Using Logical Reasoning to Prove Conjectures About Quadrilaterals
Given conjectures about quadrilaterals, the student will use deductive reasoning and counterexamples to prove or disprove the conjectures.

 Resource ID: GM5L4
 Grade Range: 9–12
 Subject: Math
Applying Trigonometric Ratios
Given problem situations involving similar figures, the student will apply and justify triangle similarity relationships such as trigonometric ratios.

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

 Resource ID: GM3L8
 Grade Range: 9–12
 Subject: Math
Coordinate Geometry: Special Segments
The student will derive and use the slope and midpoint formulas to verify geometric relationship that include parallelism and perpendicularity of lines. Then, the student will determine an equation of a line parallel or perpendicular to a given line.

 Resource ID: M7M2L11
 Grade Range: 7
 Subject: Math
Generating Similar Figures Using Dilations
Given a figure, the student will identify the scale factor used for a dilation, and use a dilation by a scale factor, including enlargements and reductions, to generate similar figures. 
 Resource ID: GM4L15a
 Grade Range: 9–12
 Subject: Math
Making and Verifying Conjectures About Triangles
Given examples of triangles and their component parts, the student will use explorations and concrete models to verify and apply the Triangle Inequality theorem and find the sum of interior angles.

 Resource ID: M7M2L19
 Grade Range: 7
 Subject: Math
Evaluating Methods of Sampling from a Set of Data
Given a problem situation, the student will evaluate a method of sampling to determine the validity of an inference made from the set of data.

 Resource ID: GM3L9
 Grade Range: 9–12
 Subject: Math
Coordinate Geometry: Length and Distance
Given coordinates of points, the student will use the distance formula to solve problems involving length and distance.

 Resource ID: M7M3L15
 Grade Range: 7
 Subject: Math
Using Geometric Concepts and Properties to Solve Problems
Given pictorial representations, the student will use geometric concepts and properties to solve problems from art and architecture.

 Resource ID: M8M2L8*
 Grade Range: 8
 Subject: Math
Generating Different Representations of Relationships
Given problems that include data, the student will generate different representations, such as a table, graph, equation, or verbal description.

 Resource ID: M8M2L10
 Grade Range: 8
 Subject: Math
Predicting, Finding, and Justifying Data from a Graph
Given data in the form of a graph, the student will use the graph to interpret solutions to problems.