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Activity
Illustrative Mathematics

Dilating a Line

For Teachers 9th - 12th Standards
High School geometers verify through experimentation certain properties about dilations. This multi-step problem challenges them to construct examples of dilations to verify specific facts, the final step provides an opportunity to more...
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PPT
Curated OER

1.2 Points, Lines and Planes

For Teachers 8th - 10th
This is a lengthy overview PowerPoint that defines, explains, shows examples, and has practice problems about points, lines and planes.  The class will need to write many notes and there is an example of how to set up in the Cornell...
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Worksheet
Curated OER

Points, Lines and Planes

For Students 10th
In this points, lines, and planes worksheet, 10th graders solve and complete 18 different problems. First, they classify each of the statements listed as true or false. Then, students name the intersection of planes illustrated. They...
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Worksheet
Curated OER

Classifying Angles

For Students 10th
In this classifying angles worksheet, 10th graders solve and complete 21 various types of problems. First, they use the diagram shown on the right to answer the questions that follow. Then, students solve for x and find the measure of...
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Worksheet
Curated OER

Geometry Course Review

For Students 10th
In this geometry review set of worksheet, 10th graders solve and complete 139 various types of problems. First, they find the slope-intercept form of a line passing through a point and parallel to a line given. Then, students find the...
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Worksheet
Curated OER

Collinear Points and the Segment Addition Postulate

For Students 9th - 12th
In this algebra worksheet, students set up equations using the segment addition postulate in order to solve for the variable x. There are 4 questions.
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Worksheet
Curated OER

Easy Worksheet: Colinear Points

For Students 9th - 12th
In this colinear points activity, high schoolers solve 4 short answer problems. Students find unknown values of x using properties of colinear points. High schoolers set up and solve equations given colinear points and variable lengths.
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Worksheet
Curated OER

Points and Lines

For Students 10th
For this points and lines worksheet, 10th graders solve and complete 10 different problems related to points and lines of a given figure. First, they name all 6 planes shown and determine the intersection of various lines. Then, students...
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Worksheet
Curated OER

If-Then Statements and Postulates

For Students 10th
In this if-then statements and postulates worksheet, 10th graders solve 6 different problems related to if-then statements and postulates in geometry. First, they identify the hypothesis and conclusion of each conditional statement and...