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Unit Plan
Curated OER

Connecting Algebra and Geometry Through Coordinates

For Teachers 9th - 10th Standards
This unit on connecting algebra and geometry covers a number of topics including worksheets on the distance formula, finding the perimeter and area of polynomials, the slope formula, parallel and perpendicular lines, parallelograms,...
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Interactive
CK-12 Foundation

Area Between Curves: Income and Expenses

For Students 11th - Higher Ed
Use the area of polygons to calculate the area between curves. Pupils calculate areas under income and expense curves by filling the space with squares and right triangles. Using that information, they determine the profit related to the...
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Worksheet
Curated OER

The Geometry of Space

For Students 8th - Higher Ed
A fun activity to demonstrate the very complicated and intangible concept of a curved universe. The instructions for creating a Mobius Strip, and therefore, curved space is given. The six questions ask for conclusions about this movement...
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Interactive
CK-12 Foundation

Length of a Plane Curve

For Students 11th - Higher Ed
Challenge your class to use straight lines when estimating the length of a curve. An engaging interactive allows individuals to place line segments one after another along the arc. Learners determine that the more lines used, the better...
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Worksheet
Curated OER

Geometry: curves

For Students 2nd - 3rd
In this curves worksheet, students identify the curves in the shapes given as being either closed or open. Students complete 5 problems total.
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PPT
Curated OER

Geometry Jeopardy!

For Teachers 5th - 6th
A list of instructions for this exciting Geometry Jeopardy game is included on slide 2. There are a total of 25 clues and 5 categories, including: solids, triangles, lines, angles, and grab bag. Tip: Play this Jeopardy game with your...
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Assessment
Curated OER

2009 U.S. National Chemistry Olympiad National Exam - Part I

For Students 9th - 12th
The 2009 version of the first part of a national chemistry competition is posted for your use with olympiad hopefuls. Test takers deal with 60 multiple choice questions covering an entire year of chemistry curriculum. Use this to...
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Worksheet
Curated OER

Geometry: Closed or Open Curves

For Students 4th - 5th
In this geometry worksheet, students look at a set of 6 shapes, then write whether the curves in the sets are closed or open curves.
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Interactive
CK-12 Foundation

Area Sums: Estimation with Rectangles

For Students 11th - Higher Ed
The more rectangles, the better the estimate. Using the interactive, pupils explore estimating the area under a curve using left-hand sums. Learners respond to challenge questions on how to get better estimates using the same technique.
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Interactive
CK-12 Foundation

Trapezoidal and Midpoint Approximations: Area of a Skirt

For Students 11th - Higher Ed
When are trapezoids better than rectangles? Using trapezoids pupils approximate the area of fabric defined by a function. Just like with rectangles, learners realize the more trapezoids the more accurate the approximation. Scholars use...
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Lesson Plan
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Illustrative Mathematics

The Geometry of Letters

For Teachers 3rd - 5th Standards
Use the alphabet as a tool for teaching your class about geometric figures. Break apart capital letters into line segments and arcs. Classify angles as right, acute, or obtuse. Identify parallel and perpendicular lines. An excellent...
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Lesson Plan
Curated OER

Finding the Area Under A Curve with Random Probability

For Teachers 11th - Higher Ed
Students explore the concept of area under a curve. In this area under a curve lesson, students find the area under a curve using the Monte Carlo method using random points and probability. Students calculate the area under the same...
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Lesson Plan
Curated OER

Area Under A Curve

For Teachers 9th - 11th
Calculus young scholars use the derivative and integral to solve problems involving areas. They calculate the area under a curve as they follow a robot off road making different curves along the drive, using Riemann Sums and Trapezoidal...
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Lesson Plan
Shodor Education Foundation

InteGreat

For Teachers 9th - Higher Ed Standards
Hands-on investigation of Riemann sums becomes possible without intensive arithmetic gymnastics with this interactive lesson plan. Learners manipulate online graphing tools to develop and test theories about right, left, and midpoint...
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Lesson Plan
Curated OER

Fractal and the Dragon Curve

For Teachers 11th - 12th
Students explore Fractal designs. In this geometry lesson, students observe the different polygons created in nature and relate it to math. They define polygons on planes and rotate polygons about a point.
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Worksheet
Curated OER

Geometry 2

For Students 3rd - 4th
In this geometry practice worksheet, learners practice their problem solving skills as they reveal whether 5 shapes have open or closed curves.
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Worksheet
Curated OER

Geometry

For Students 1st - 3rd
In this open and closed curves geometry activity, students distinguish between the 2 types of curves as they solve 6 problems
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Worksheet
Curated OER

Open and Closed Curves

For Students 1st - 3rd
In this open and closed curves worksheet, students label the pictures as having closed or open curves. Students complete 6 problems total.
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Lesson Plan
Curated OER

Applied Science: Exploring Shapes in Nature

For Teachers 1st - 3rd
Explore geometry with your young mathematicians! First, have them color in different two-dimensional and three-dimensional shapes. Then take them on a walk around the classroom. Can they identify different shapes using the target...
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Worksheet
Curated OER

Recognizing 3-D Shapes, Part 2

For Students K - 2nd Standards
Take your math lesson to another dimension with this lesson about 3-D shapes! First graders label cones, cylinders, pyramids, spheres, cubes, and prisms, and then count the number of each shape in a collective picture. A great way to...
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Activity
Houston Area Calculus Teachers

Area and Volume

For Students 11th - Higher Ed
An AP calculus lesson begins with an activity to determine the volume of a solid using a cross-section. Next, learners review the ways to find the area between two curves , as well how to find the volume of a solid created from the...
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Worksheet
Curated OER

Cartesian Geometry

For Students 9th - 11th
In this geometry worksheet, students plot coordinate pairs and connect the points to create different shapes. They give th shapes its polygon's name. They differentiate between simple functions and rectangular hyperbola.
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Lesson Plan
EngageNY

Examples of Dilations

For Teachers 8th Standards
Does it matter how many points to dilate? The resource presents problems of dilating curved figures. Class members find out that not only do they need to dilate several points but the points need to be distributed about the entire curve...
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Printables
Curated OER

Worksheet for Pi

For Students 6th - 8th
Who needs a pie-eating contest when you have a pi-ology game! Celebrate March 14th with a fun board game about pi and other geometric concepts. As learners answer questions about geometry, they move around the board to collect tokens.