Curated OER
Standardized Geometry Test Practice
In this angles, lines and figures review worksheet, 10th graders solve and complete 33 standardized multiple choice problems. First, they use the Segment Addition Postulate to solve for a variable given an equation for each line. Then,...
Curated OER
Inverse, Converse and Contra-positive
In this geometry worksheet, 10th graders identify the inverse, converse and contra-positive in each given sentence. They rewrite the sentences to make the statement true. There are 6 questions with an answer key.
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Perpendicular Bisector Theorem
High schoolers construct perpendicular bisectors using Cabri Jr. on their graphing calculator. They then construct conditional statements about perpendicular bisectors along with their converse, inverse, and contrapositive.
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Easy Worksheet: Law of Syllogism and Law of Detachment
For this law of syllogism and law of detachment worksheet, students solve 4 short answer problems. Students use the law of syllogism or law of detachment to come to a conclusion about a set of if-then statements.
Virginia Department of Education
High School Mathematics Geometry Vocabulary Word Wall Cards
Having a good working knowledge of math vocabulary is especially important for geometry learners. Here are 119 pages worth of wonderfully constructed definitions, constructions, formulas, properties, theorems, and postulates. This is a...
Curated OER
TI Workshop Presentation Guide for "Preparing for Proofs"
Pupils discover proofs using the TI in this geometry lesson. They collect data from newspaper and magazines and analyze their data using the TI, relating it to proofs.