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Lesson Plan
Curated OER

Area Under A Curve

For Teachers 9th - 12th
Pupils investigate the concept of finding the areas under curves while examining the graphing for inscribed and circumscribed rectangles. Finally, students compute the area under the curve by using the left-hand endpoints. The examples...
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Lesson Plan
Curated OER

Lesson #94 Exact Area Under a Curve

For Teachers 10th - 12th
Learners research Riemann Sums. In this area lesson students listen to a lecture on finding the area under a curve. Links to a song about Riemann Sums, and a song titled "Failing My Calculus" are included.
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Assessment
Concord Consortium

Rectangulating

For Students 9th - 12th Standards
Use rectangles to find distances. Given a rectangle and three associated triangles, pupils determine the area of the triangles. Scholars know the three triangles have equal areas along with the perimeter of the rectangle and two other...
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Interactive
CK-12 Foundation

Sums of Finite Arithmetic Series: Triangular Numbers

For Students 11th - Higher Ed
Using a slider, scholars build triangular numbers and their associated rectangles and use the geometric display to find the pattern to determine the next triangular number. They then relate that number to the area of the rectangle to...
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Lesson Plan
EngageNY

Creating and Solving Quadratic Equations in One Variable

For Students 9th - 10th Standards
Give your classes practice at modeling using quadratic models with a resource that uses area and integer problems to allow individuals to create second degree polynomials. Young mathematicians solve equations using factoring and then...
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Performance
Radford University

Maximizing Light Through a Window

For Teachers 9th - 12th Standards
Let there be plenty of light. For a perimeter of 10 feet, scholars determine the maximum area of a window composed of a rectangle and a semicircle. They draw diagrams and then write and solve equations to find the height and radius for...
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Lesson Plan
University of Houston

Volume for Rectangular Prisms

For Teachers 4th - 6th Standards
Upper graders define perimeter and area of a rectangle, estimate numbers of cubes and determine the maximum amount that will fit in a given space. In this math activity, pupils complete related worksheet, build prisms and find volume and...
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Worksheet
Curated OER

Calculating the Area of a Rectangle

For Students 4th
A quick definition and the formula for finding the are of a rectangle is provided at the top of this worksheet. After reading the description, 4th graders must find the area of the 3 given rectangles by adding or multiplying. This is an...
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Lesson Plan
Curated OER

What Goes Around

For Teachers 4th
Fourth graders investigate the relationships between the area and perimeters of squares and rectangles. They calculate the perimeter of rectangles and squares using a formula. Students investigate the relationship between the perimeter...
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Lesson Plan
Virginia Department of Education

Similar Solids and Proportional Reasoning

For Teachers 9th - 11th
Double the dimensions, quadruple the surface area. Pairs build similar prisms and compare the ratios of their surface areas and volumes to the ratio of the heights. Given two similar cones, partners determine the ratios of the lateral...
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Worksheet
Curated OER

Area of Triangles

For Students 5th - 6th
In this area worksheet, students calculate the area of 4 triangles, writing answers in rectangles beneath each triangle. A reference web site is given for additional activities.
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Worksheet
Curated OER

Area of Triangles

For Students 5th - 6th
In this area of triangles worksheet, students calculate the area of 4 given triangles, writing the answers in rectangles beneath each. A reference web site is given for additional activities.
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Lesson Plan
Curated OER

Area of Parallelograms and Triangles

For Teachers 8th - 10th
Students explain the formula for finding the area of a paralellogram and its relation to the area of a rectangle. Finally, they construct the formula for the area of a paralellogram.
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Worksheet
Curated OER

Factoring Application

For Students 9th
In this factoring application worksheet, 9th graders solve 10 different problem related to various factoring applications. First, they determine the length of a room given the area of a rectangle and square footage. Then, students...
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Worksheet
Curated OER

Using Formulas

For Students 10th
In this using formulas worksheet, 10th graders solve 12 different problems that are related to applying various formulas to find measurements. First, they determine the perimeter and area of each given rectangle. Then, students find the...
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Worksheet
Curated OER

Algebra: Area of a Parallelogram

For Students 5th - 6th
In this parallelogram worksheet, students find the area and perimeters and complete a chart to show the length, width and perimeter for different rectangles with a given area. Houghton Mifflin text is referenced.
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Lesson Plan
Curated OER

Perimeter

For Teachers 5th
Fifth graders create math word problems. In this geometry lesson, 5th graders define perimeter and discover how to find the perimeter of a rectangle, a square and a regular polygon. Students write word problems on finding the perimeter,...
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Worksheet
Curated OER

Maximum and Minimum Problems

For Students 11th - Higher Ed
In this maximum and minimum problems worksheet, students solve and complete 9 various types of problems. First, they find two numbers with a given sum. Then, students find the maximum and minimum value of each equation. They also find...
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Worksheet
Curated OER

The Quadrilateral Family

For Students 10th
In this quadrilaterals worksheet, 10th graders solve and complete 10 different problems that include identifying various quadrilaterals. First, they indicate whether the statements are true or false for each. Then, students determine the...
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Lesson Plan
Curated OER

Picket Fence Around the Garden

For Teachers 3rd - 4th
Students design different shaped plots and determine the perimeter, area and shape of each. They compare the shapes that have the same area but may have different perimeters.
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Worksheet
Curated OER

Worksheet 26 - Fall 1995

For Students 11th - Higher Ed
In this math worksheet, students find the area of all the different types of geometric shapes from the memory. They write all the formulas and explain the meanings of the variables.
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Lesson Plan
Curated OER

Volume Of A Prism

For Teachers 8th
Eighth graders investigate the concept of a prism and finding the volume. They begin the inquiry by attempting to find the surface area in order to begin the inquiry. Students are expected to apply memory for the mathematical formulas in...
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Worksheet
Curated OER

Trigonometric Word Problems

For Students 10th
In this trigonometric word problems worksheet, 10th graders solve 16 different problems that include various trigonometric situations. First, they determine at what angle a ladder makes with the ground. Then, students determine the...
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Lesson Plan
Curated OER

Cut It Out!

For Teachers 8th - 11th
Students calculate the surface area of polygons. For this geometry lesson, students use spacial reasoning to find the answer to their problem. They analyze solids and create formulas to estimate the measurements of the area.