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Worksheet
Curated OER

Indirect Euclidean Proofs

For Students 7th - 8th
In this indirect Euclidean proof worksheet, students write statements supporting the reasons for a given proof. This one-page worksheet contains ten problems.
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Worksheet
Curated OER

Challenge: Skills and Applications Lesson 2.4

For Students 9th - 10th
In this algebra worksheet, students create arguments using conjectures. They identify the sequence and the pattern and formula. They solve products and prove sum of integers. There are 8 questions.
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Lesson Plan
Curated OER

Define Geometry Terms

For Teachers 3rd - 5th Standards
The Common Core is intended to help all children meet high academic standards. Here is a Common Core designed lesson that is intended for learners with communication or language difficulties. The lesson is written in a narrative style...
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Worksheet
Kuta Software

Points in the Coordinate Plane

For Students 4th - 7th Standards
Keep young mathematicians on point with this coordinate plane worksheet. From plotting ordered pairs to identifying the quadrant and coordinates of specific points, this resource covers all the basic skills students need to have when...
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Lesson Plan
Curated OER

Slope, Vectors, and Wind Pressure

For Teachers 9th - 11th
A hands-on lesson using the TI-CBR Motion Detector to provide information to graph and analyze. The class uses this information to calculate the slope of motion graphs and differentiate scalar and vector quantities. There is a real-world...
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Worksheet
Curated OER

Logical Relationship of Postulates & Theorems

For Students 10th - 12th
In this postulates and theorems worksheet, students explore a concept map containing information about angles and sides, alternate interior angles, and diagonals of a parallelogram.  They use the concept map to prove theorems dealing...
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Lesson Plan
Curated OER

Altitudes and Orthocenters: Making Connections to the Nine-Point Circle

For Teachers 9th - 12th
Students practice various equations for constructing nine-point circles for triangles.
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Lesson Plan
Curated OER

CEENBoT Pictionary

For Teachers 8th - 10th
Define and review math vocabulary. Use the CEENBoT to draw pictures that represent each vocabulary word. Pupils work in groups to play math pictionary.
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Lesson Plan
Curated OER

Graph It

For Teachers 5th - 8th
Elementary and middle schoolers engage in a lesson of graphing in quadrant I of the coordinate plain. They use the graph to create shapes and symbols. While using a graphing calculator, they locate the points on the coordinate plane. In...
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Lesson Plan
Curated OER

3-D Cubes

For Teachers 2nd - 4th
Pupils investigate cubes. In this geometric solids lesson, students review geometric concepts previously taught, then logon to a computer game in which they find cube figures and identify the shadow of hidden cubes.
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Lesson Plan
Curated OER

Shapes Are Everywhere

For Teachers 3rd
Third graders use various shapes to identify polygons and understand symmetry. They explore pattern blocks noticing their similarities and differences, then share with other team members. They draw 3 polygons in their journals and...
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Lesson Plan
Curated OER

Pass it On

For Teachers 4th - 6th
Young scholars participate in a class activity to help them master geometric terms and their definitions.
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Lesson Plan
Curated OER

Quadratic Equations and Parabolas

For Teachers 9th - 11th
Students graph and solve quadratic equations. In this functions lesson, students analyze a quadratic equation using three points on a curve to define the graph of a quadratic function. They find the vertex and intercepts of the graph.
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Lesson Plan
Curated OER

Angles: Angles, Angles, Everywhere

For Teachers 6th - 8th
Students practice estiminating and measuring angles. After watching a short video, they identify angles in objects in the classroom and their homes. In groups, they participate in activities in which they are given a scenerio and are...
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Lesson Plan
Curated OER

Attributes & Nets of a Cube

For Teachers 3rd
Third graders engage in a activity that focuses on the attributes and forming of a cube. They construct a cube using different combinations while comparing a square with only two-dimensions. Students fold paper while following the...
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Lesson Plan
Curated OER

What Shape Am I?

For Teachers 1st
First graders analyze characteristics of geometric shapes. They identify, describe, and create simple geometric figures. They analyze characteristics of geometric shapes and determine the defining attributes of a circle,...
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Lesson Plan
Dick Blick Art Materials

Start with a Circle...

For Students K - 12th
The Golden Ratio. The Divine Proportion. Yup. It's math and art blended into one colorful activity. Young artists combine colored tissue paper circles and parts of circles to create geometric patterns. As a bonus, kids get to figure out...
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Lesson Plan
Virginia Department of Education

Arc Length and Area of a Sector

For Teachers 9th - 11th Standards
What do skateboarding and baked goods have in common with math? You can use them to connect half-pipe ramps and cakes to arcs and sectors. Pupils compare the lengths of three different ramp options of a skate park. They calculate the...
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Lesson Plan
Curated OER

Geometric Bingo

For Teachers 7th - 10th
Students explore the concept of geometric shapes. In this geometric shape lesson, students play bingo to review geometric shapes. Students identify the shape being described by the teacher and put a marker on their bingo card.
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Worksheet
Curated OER

Angles Identification

For Students 3rd - 5th Standards
In this assignment, math whizzes identify angles as either being obtuse, acute, right, or straight. Students identify six angles. The publisher states that this is designed with CCSS.Math.Content.MD.6 in mind, but it really does not ask...
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Lesson Plan
Curated OER

Plenty of Pythagoras

For Teachers 5th - 8th
Using a twelve foot knotted rope, students form a 3-4-5 right triangle. Following a discussion of observations about the lengths of the sides of the triangle, students use grid paper, scissors and a centimeter ruler to draw and measure...
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Lesson Plan
Curated OER

Shapes Are Everywhere

For Teachers 3rd
Third graders explore pattern blocks noticing their similarities and differences and share their observations with others. They classify shapes by discussing sides and angles and combine pieces to make new shapes.
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Lesson Plan
Curated OER

Patterns

For Teachers 6th
Sixth graders investigate the concept of patterns and how they can occur with numbers and the lesson plan focuses on the occurrance wiht shapes. They complete an activity investigating patterns using a story to set the tone of fun.
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Lesson Plan
Curated OER

Constructing Tangrams

For Teachers 7th
Seventh graders visualize and identify geometric shapes after applying transformations on a coordinate plane. In this tangrams lesson, 7th graders construct a set of tangrams and then answer extension questions related to measurement,...