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Lesson Plan
Curated OER

Let's Plot Points

For Teachers 5th - 7th
Use coordinate grid paper to plot points and identify shapes that are already plotted on the paper by saying their coordinates. Pupils also measure the distance between points and play the game Battleship. There are several web links and...
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Lesson Plan
Curated OER

Applied Science - Science and Math Lab

For Teachers 4th - 11th
Students investigate topology. In this Applied Science lesson plan students explore higher, more abstract mathematics using tangles. Students make topologically related shapes.
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Lesson Plan
Curated OER

Narrow It Down

For Teachers K - 4th
Ever played 20 Questions? A similar game helps young learners practice asking and answering yes-or-no questions. Spread out several objects, preferably all similar with slight variations (buttons or coins would work well). A leader...
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Activity
Illustrative Mathematics

Find the Missing Angle

For Teachers 7th - 9th Standards
This one activity requires young geometers to pull together information they are currently learning with things they have learned previously. Here they rely on understanding something about parallel lines, alternative interior angles,...
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Lesson Plan
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Curated OER

Seven Circles II

For Teachers 9th - 10th Standards
Your learners find as many rigid motions of the plane as they can that are symmetries of the configuration of circles. Rigid transformations of the plane are explored and become more concrete to them as they visualize and execute these...
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Lesson Plan
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NASA

Lunar Rover

For Teachers 9th - 12th Standards
What is the shortest distance/time needed to complete a mission? Groups devise a strategy in order to determine the shortest distance and time connecting two points and a segment. They then use graphing, the distance formula, and a...
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Lesson Plan
EngageNY

Arc Length and Areas of Sectors

For Teachers 9th - 10th Standards
How do you find arc lengths and areas of sectors of circles? Young mathematicians investigate the relationship between the radius, central angle, and length of intercepted arc. They then learn how to determine the area of sectors of...
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Lesson Plan
EngageNY

The Definition of a Parabola

For Students 10th - 12th Standards
Put together the pieces and model a parabola. Learners work through several examples to develop an understanding of a parabola graphically and algebraically. 
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Lesson Plan
EngageNY

Multiplying and Factoring Polynomial Expressions (part 1)

For Students 9th - 10th Standards
Polynomial multiplication and factoring go hand in hand. Why not teach them together. This resource begins with an area model for distributing a monomial and then connects the process to factoring the GCF. Learners then advance to...
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Lesson Plan
EngageNY

Advanced Factoring Strategies for Quadratic Expressions (part 1)

For Students 9th - 10th Standards
Factoring doesn't have to be intimidating. Build on prior knowledge of multiplying binomials and factoring simple trinomials to teach advanced factoring of quadratic expressions with a lesson that uses various methods of exploring the...
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Lesson Plan
EngageNY

Getting a Handle on New Transformations 1

For Teachers 11th - 12th Standards
In the first of a two-day lesson on transformations with matrix notation the class transforms the unit square using general transformations, then calculates the area of the transformed image. They discover it is the same as finding the...
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Lesson Plan
EngageNY

Why Stay with Whole Numbers?

For Teachers 9th - 10th Standards
Domain can be a tricky topic, especially when you relate it to context, but here is a lesson that provides concrete examples of discrete situations and those that are continuous. It also addresses where the input values should begin and...
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Activity
American Museum of Natural History

Piecing It All Together

For Students 6th - 12th
Archaeology digs are much like giant jigsaw puzzles. The artifacts found are often in pieces and scientists must reconstruct them. A hands-on activity lets young archaeologists experience this facet of the job as they create, smash, and...
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Worksheet
Curated OER

Compare Area and Perimeter of 2D Shapes

For Students 5th - 6th
In this area and perimeter worksheet, students compare area and perimeter, determining which shapes has the greater perimeter or area. A reference web site is given for additional activities. 
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Worksheet
Curated OER

Shapes and Vertices

For Students 5th - 6th
In this shapes and vertices worksheet, students determine shapes that have more or less vertices and name shapes. A reference web site is given for additional activities.
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Worksheet
Curated OER

Faces, Vertices and Sides

For Students 5th - 6th
For this geometry worksheet, students determine which shapes have more or less vertices, faces or sides. A reference web site is given for additional activities.
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Worksheet
Curated OER

Shapes: Faces, Vertices and Edges

For Students 5th - 6th
In this shapes worksheet, learners determine the number of faces, vertices and edges of given shapes, then name the shape. A reference web site is given for additional activities.
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Worksheet
Curated OER

Naming Shapes

For Students 3rd - 5th
In this naming shapes activity, students write the name of given shapes, then write why they named shapes as they did. A reference web site is given for additional activities.
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Worksheet
Curated OER

Identifying Shapes and Their Features

For Students 5th - 6th
For this shapes worksheet, students identify shapes and the number of  edges and vertices of each. A reference web site is given for additional activities.
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Lesson Plan
Curated OER

Translating Transformations in Geometry

For Teachers 9th - 12th
Students create an image using given coordinates and evaluate how the coordinates change when a slide or rotation takes place.
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Lesson Plan
Curated OER

Compass Designs

For Teachers 8th - 10th
Students investigate the properties of two and three dimensional objects. In this geometry lesson, students differentiate polygons based on similarity and congruence. They make observation and interpret the data.
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Lesson Plan
Curated OER

Congruence with Robot Gobot

For Teachers 8th - 10th
Students identify the properties of solids and polygons. In this geometry instructional activity, students identify the different measurements of a triangle. They use congruence parts and theorem to prove their answer.
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Lesson Plan
Curated OER

How Tall Is That Flag Pole?

For Teachers 6th - 8th
Young scholars examine various triangles and discuss how similar triangles have sides that are proportional. They utilize an ancient Egyptian method to determine the height of a flagpole.
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Lesson Plan
Curated OER

Area of Combined Shapes - Turtle Combo

For Teachers 9th - 12th
Students graph polygons using the name and number of sides. In this geometry lesson, students identify the formula to calculate the area and perimeter of polygons. They relate the formula to different polygons and shapes.

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