Assessment
EngageNY

End-of-Module Assessment Task - Grade 8 Mathematics (Module 2)

8th Standards
Can your classes apply the knowledge they have learned? Use this performance task to find out! Individuals use transformations to explain congruence and angle relationships within parallel lines to find missing values. They show what...
Assessment
Charleston School District

Pre-Test Unit 2: Similar and Congruent

8th Standards
A pre-test contains questions about transformations that lead to congruent and similar images. It also covers angle relationships associated with triangles and parallel lines intersected by a transversal. 
Lesson Plan
02 x 02 Worksheets

Slope

9th - 11th Standards
What does slope have to do with lines? Pupils work with lines and determine the slope of the lines informally and with the slope formula. Groups use their knowledge to calculate the slopes of parallel and perpendicular lines. They also...
Assessment
Los Angeles County Office of Education

Assessment For The California Mathematics Standards Grade 6

6th Standards
Test your scholars' knowledge of a multitude of concepts with an assessment aligned to the California math standards. Using the exam, class members show what they know about the four operations, positive and negative numbers, statistics...
Assessment
Mathematics Assessment Project

Geometry

7th - 8th Standards
Help learners find joy in facing mathematical challenges. The questions posed on this learning exercise encourage young mathematicians to utilize skills learned throughout a geometry unit, and to apply themselves and persevere...
Lesson Plan
Illustrative Mathematics

Area of a Trapezoid

7th - 9th Standards
Here is a straightforward example of how to apply the Pythagorean Theorem to find an unknown side-length of a trapezoid. Commentary gives additional information on proving that the inside of the trapezoid is a rectangle, but is...
Lesson Plan
Illustrative Mathematics

What is a Trapezoid? (Part 2)

4th - 6th Standards
This collaborative activity investigates the meaning of a trapezoid and a parallelogram. It begins by presenting two different definitions of a trapezoid. Learners are to reason abstractly the difference between the two definitions and...
Lesson Plan
EngageNY

First Consequences of FTS

8th Standards
Challenge the young mathematicians to find the exact coordinates of a dilated point. The fifth segment in a 16-part series introduces the class to the converse of the Fundamental Theorem of Similarity. Scholars use the theorem to...
Lesson Plan
EngageNY

Informal Proof of AA Criterion for Similarity

8th Standards
What does it take to show two triangles are similar? The 11th segment in a series of 16 introduces the AA Criterion for Similarity. A discussion provides an informal proof of the theorem. Exercises and problems require scholars to apply...
Assessment
Inside Mathematics

Quadrilaterals

9th - 12th Standards
What figure is formed by connecting the midpoints of the sides of a quadrilateral? The geometry assessment task has class members work through the process of determining the figure inscribed in a quadrilateral. Pupils use geometric...
Assessment
Charleston School District

Review Unit 2: Congruence and Similarity

8th Standards
Review for the test with a comprehensive list of terms and concepts for the unit on congruence and similarity. It divides divides the sections in the order of the lessons presented during the unit. 
Assessment
Concord Consortium

Walled-Up Parabolas

9th - 12th
Jump at the chance to use parabolas. Young mathematicians apply trigonometry to explore the trajectory of a ball in different situations. Some walls cause the ball to bounce, so participants must consider all possibilities.
Assessment
Inside Mathematics

Circles in Triangles

9th - 12th Standards
Challenge the class with inscribed circles in triangles. The assessment task requests class members use their knowledge of circles and right triangles to prove two triangles are congruent. They go on to utilize their knowledge of...
Lesson Plan
EngageNY

More About Similar Triangles

8th Standards
Determine whether two triangles are similar. The instructional activity presents opportunities for pupils to find the criterion needed to show that two triangles are similar. Scholars use the definition of similarity to find any missing...
Activity
Illustrative Mathematics

Dilating a Line

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...