Worksheet
Curated OER

The Quadratic Koch Snowflake

For Students 5th - 10th
In this Quadratic Koch worksheet, students fill out a chart about the edges, edge length, total length, and different areas of a snowflake. Students do this for 8 snowflakes.
Lesson Plan
Curated OER

Folding to Make Shapes

For Teachers 2nd
Second graders identify different polygons and their attributes. In this geometry lesson, 2nd graders get to know polygons by studying the vocabulary and finding polygons in their classroom. They create these shapes and then find their...
Lesson Plan
EngageNY

Lines That Pass Through Regions

For Students 9th - 12th Standards
Good things happen when algebra and geometry get together! Continue the exploration of coordinate geometry in the third lesson in the series. Pupils explore linear equations and describe the points of intersection with a given polygon as...
Lesson Plan
Utah Education Network (UEN)

Finding Missing Lengths of Similar Triangles

For Teachers 7th - 10th
Middle and high schoolers explore the properties of similar triangles. In this geometry lesson, pupils play a similarity basketball game, sketch similar triangles, and find the missing measures of similar figures. They find the height of...
Lesson Plan
Curated OER

Locating Rational Numbers on the Number Line

For Teachers 4th - 5th
Students explore the concept of locating rational numbers on a number line. For this rational numbers lesson, students change improper fractions to mixed numbers to determine where on a number line the rational number belongs. Students...
PPT
Curated OER

Chalkboard Challenge: Fifth Grade Math Review

For Teachers 4th - 5th
This PowerPoint addresses fifth grade math concepts, focusing mostly on geometry. The interactive math review game is in a "Jeopardy" style format and enables students to revisit the topics in geometry such as polygons, quadrilaterals...
Lesson Plan
Curated OER

Math-Measurement

For Teachers 1st
First graders examine measurement. In this measurement lesson, 1st graders practice using nonstandard units to help in measuring objects. Students listen to How Big is a Foot and complete an activity using unifix cubes to measure line...
Lesson Plan
Curated OER

Angles

For Teachers 4th - 5th
Fourth and fifth graders investigate angles and name them according to the criteria for obtuse, acute, and right angles. They examine a human-made yarn pattern on the floor of their classroom and identify angles, vertices, and types of...
Lesson Plan
Curated OER

Shortest Distance Between Points and Lines

For Teachers 10th Standards
Learners use technology to determine the shortest between two points in a plane. They are required to support their analytic explanations with visual illustrations.
Worksheet
Curated OER

Similarity

For Students 10th
For this similarity worksheet, 10th graders solve and complete 14 different types of problems. First, they refer to each drawn figure given that the lines are parallel. Then, students find the length of each segment listed. In addition,...
Lesson Plan
Curated OER

JFK Assassination

For Teachers 9th - 10th
Learners write equations of a line. In this algebra lesson, students investigate the assassination of JFK through linear equations. They calculate the length of given line segments.
Worksheet
Curated OER

Angles and Arcs

For Students 10th
For this angles and arcs worksheet, 10th graders solve 18 various types of problems related to determine various angles and arcs of a circle. First, they find the measure of each angle and arc of the first circle shown. Then, students...
Worksheet
Curated OER

Mid-Segment of a Triangle

For Students 10th - 11th
In this triangle worksheet, students examine triangle diagrams. They determine the perimeter, length of a line, midpoint of a line, and angle measurement from given information. This one-page worksheet contains ten problems.
Lesson Plan
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Curated OER

A Rectangle in the Coordinate Plane

For Teachers 7th - 9th Standards
A quadrilateral is drawn on the coordinate plane, and eighth grade geometers find the length of each side and the diagonals by applying the Pythagorean theorem. 
Lesson Plan
EngageNY

Dividing the King’s Foot into 12 Equal Pieces

For Students 9th - 10th Standards
Apply, apply, apply! A measurement activity applies a number of concepts to help learn a new construction. Scholars learn to divide a segment into n equal parts using a method that uses the Side Splitter Theorem and a method...
Lesson Plan
Willow Tree

Midpoint and Distance Formulas

For Students 8th - 11th Standards
The shortest distance between two points is a straight line. Learners use the Pythagorean Theorem to develop a formula to find that distance. They then find the midpoint using an average formula. 
Activity
Illustrative Mathematics

Seeing is Believing

For Teachers 5th Standards
How many visual models can be used to show multiplication? Three basic kinds of models can be used to represent and explain the equation 4 x (9 + 2).  The commentary section provides description and graphics to explain the set...
Printables
Houghton Mifflin Harcourt

Unit 6 Math Vocabulary Cards (Grade 3)

For Teachers 3rd
A set of 49 math vocabulary cards ranges from angle to irregular polygon to parallel lines. Each sheet contains two cards: one with the word printed in bold text and the other with the definition.
Lesson Plan
Curated OER

Introduction to Fractals: Infinity, Self-Similarity and Recursion

For Teachers 9th - 12th
Students think about several of the concepts from fractals, including recursion and self similarity. They use mathematical concepts of line segments, perimeter, area and infinity are used, and skill at pattern recognition is practiced.
Lesson Plan
EngageNY

Translations

For Students 9th - 10th Standards
Learn through constructions! Learners examine a translation using constructions and define the translation using a vector. Pupils then construct parallel lines to determine the location of a translated image and use the vector as a guide.
Lesson Plan
Curated OER

Spatial Relations - Week 9

For Teachers 10th - 12th
In this spatial relations worksheet, students solve three-dimensional problems. They find the total number of triangles in a given figure, the number of line segments that endpoints and use integer points to solve two problems. This...
Lesson Plan
Curated OER

Spatial Relations - Week 9

For Teachers 10th - 12th
In this spatial relations worksheet, students identify the number of triangles in a given figure, identify the number of cubes that a plane intersects, and determine the number of line segments in a given cube. This three-page worksheet...
Lesson Plan
EngageNY

Comparing the Ratio Method with the Parallel Method

For Students 9th - 10th Standards
Can you prove it? Lead your class through the development of the Side Splitter Theorem through proofs. Individuals connect the ratio and parallel method of dilation through an exploration of two proofs. After completing the proofs,...
Lesson Plan
Curated OER

Linear Functions, Restricted Domains, Infinite Geometric Series, Interconnections

For Teachers 9th - Higher Ed
In this math worksheet, students graph the linear functions in comparison to the inequalities. Then they compare the line segments on the coordinate plane.