Curated OER
Indirect Measurement with Similar Triangles
Students use similar triangles to find missing heights. In this using similar triangles to find missing heights lesson, students use proportions to find the heights of missing side lengths. Students find the height of trees and...
Curated OER
Math: Congruent and Similar Figures
Eighth graders use geo-boards to create similar and congruent figures and find their corresponding sides. Using the geo-board paper, they draw the shapes they create on the geo-boards. With partners,students create similar and congruent...
Willow Tree
Angles Formed by Transversals of Coplanar Lines
Create a strong understanding of the relationships formed when parallel lines intersect a transversal. Discuss each type of angle pair and their relationship to each other.
Virginia Department of Education
Congruent Triangles
Is this enough to show the two triangles are congruent? Small groups work through different combinations of constructing triangles from congruent parts to determine which combinations create only congruent triangles. Participants use the...
Curated OER
Triangle Sum Theorem
Tenth graders investigate the theorems of angles and lines to prove triagle sum theorem. In this geometry lesson, 10th graders discuss the theorems of triangles and how it is used to solve for missing sides or angles. They review how two...
Biology Corner
Random Sampling
Simulate a random sampling of data by tearing 20 sheets of paper into slips and place a number on 10 and a letter on 10. They place the slips in two separate containers and randomly draw a number and a letter. They record their...
Curated OER
More! A Lesson on Comparing
Students practice counting and comparing objects. In this math lesson, students view a Count on It! episode. Students examine the value of what they are counting. Students estimate number in groups of items. Students determine which...
Curated OER
Linear and Quadratic Functions
In this algebra worksheet, 11th graders solve quadratic functions using the quadratic formula. They take the square roots of both side of each equation then graph both the linear and quadratic functions. There are a total of 84 problems...
Curated OER
What doe the doctor say?
Students must explore the phoneme awareness. They must decode many different correspondences. Students explore the o sound by illustrating the concept using memorable tools used in by showing the o sound in spoken and written words.
Novelinks
The Adventures of Tom Sawyer: Cubing Strategy
The toss of a die determines what questions your pupils will answer in this lesson. Learners respond to questions based on Bloom's taxonomy, discussing The Adventures of Tom Sawyer with classmates along the way. They finish by writing up...
Illustrative Mathematics
Are They Similar?
Learners separate things that just appear similar from those that are actually similar. A diagram of triangles is given, and then a variety of geometric characteristics changed and the similarity of the triangles analyzed. Because the...
EngageNY
Graphing Quadratic Functions from Factored Form
How do you graph a quadratic function efficiently? Explore graphing quadratic functions by writing in intercept form with a lesson that makes a strong connection to the symmetry of the graph and its key features before individuals write...
Curated OER
Congruent Triangles
Tenth graders explore congruent triangles. For this geometry lesson, 10th graders investigate the conditions necessary to prove two triangles are congruent by SSS, ASA, AAS, or SAS.
Curated OER
Congruent and Similar figures
Eighth graders explore congruent and similar figures. In this eighth grade geometry lesson, 8th graders use geoboards to create congruent and similar figures and explore the relationships between the sides and angles.
Curated OER
Investigating Area and Perimeter of Polygons.
Student sinvestigate the area and perimeter of polygons. They differentiate between similar and congruent polygons.. They identify the ratio and proportions of the sides and angles of polygons.
Curated OER
Similar Triangles
Ninth graders find the height of every day objects using techniques learned through postulates that allow triangles in a problem to be similar. They calculate the length of a missing side and solve proportions.
Curated OER
Graphing Linear Equations
Ninth graders review the information that they have already learned
with regard to linear equations and graphical representations. They then assist in combining equations with a graphical element and complete various graphs with this...
Curated OER
Perimeter Word Problems
Tenth graders solve for the perimeter and rewrite word problems. In this geometry lesson, 10th graders label different shapes and set up the corresponding ratios as equations. They solve for the missing side and calculate the values for...
Curated OER
Spelling Word Flashcards
First graders draw pictures of spelling words. In this spelling instructional activity, 1st graders create flashcards by drawing a picture of each of the spelling words on one side and writing the actual word on the other side.
Curated OER
Exploring the Hinge Theorem
Pupils explore the application of Hinge Theorem. In this geometry lesson, students write inequalities, given two sides of a triangle. They solve problems with triangular inequalities using the proper theorem.
Curated OER
Bug Jars
Students explore symmetry. Students observe a variety of bug and plant drawings, then draw a bug jar. Students observe bugs from the top of the jar for a symmetrical view, and the side of the jar for an asymmetrical view. Students draw...
Curated OER
Match My Masterpiece
Fifth graders plot out points on grid paper which correspond with the ordered pairs they are given. If done correctly, the points form a word.
Curated OER
McCarthyism: The Effects of the Anti-Communism Fear
Students read a flowchart and look at corresponding photos to explore the anti-communist fears in the mid-twentieth century and the impact Senator Joseph McCarthy had on those fears.
Curated OER
Be It Resolved: A lesson In Debating
Students examine debating procedures. In teams, students research the effects of European-Aboriginal interaction. Students collect, analyze and interpret information to support their side of the debate.
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