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Lesson Plan
Curated OER

Perimeter of Triangles and Rectangles

For Teachers 5th
Fifth graders study perimeter. In this math lesson, 5th graders use Cheerios to find the perimeter of various polygons. Students discuss how to figure the perimeter of triangles, squares and rectangles.
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Worksheet
Curated OER

Pythagoras' Theorem

For Students 5th - 10th
In this Pythagoras' Theorem activity, students solve problems having to do with square roots and numbers to a certain power. Students match up the answers for 30 problems.
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Lesson Plan
Curated OER

Study Buddies: Explore - Area

For Teachers 2nd - 3rd
For this math worksheet, students will work with a coach to find the total area of a tree-house. Students will follow a step-by-step process and notes are provided for the coach.
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Lesson Plan
Curated OER

Measuring the Area of Polygons

For Teachers 4th
Fourth graders use pattern blocks to explore areas of polygons. They explain that the answers to the area of the same polygon vary according to the units of measurement used. They visualize how different units of measurement can be used...
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Interactive
Curated OER

Parallelogram Problems

For Students 9th - 12th
In this online math worksheet, students solve a variety of geometry problems which utilize parallelograms. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
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Lesson Plan
Curated OER

Area: It's What's on the INSIDE That Counts!

For Teachers 2nd
Second graders participate in a series of hands-on, online and multimedia activities that examine the concept of area. They view clips from the animated series Math Monsters and discuss the purpose of area and how it is used in the real...
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Lesson Plan
Curated OER

Candy Land

For Teachers 6th - 8th
In this activity students pretend that they have been hired by a candy manufacturer to design a box for a new product they are beginning to market. The manufacturer has pre-determined the volume of the candy box. It is the students' job...
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Worksheet
Curated OER

Calculating in Construction - Area

For Students 8th - 12th
In this area instructional activity, students solve 6 short answer problems. Students find the area of a figure composed of regular polygons such as triangles, rectangles, squares, etc given a sketch of the figure.
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Interactive
Curated OER

Area of a Trapezoid

For Students 9th - 12th
In this online math worksheet, students practice finding the area of a trapezoid, given the height and length, This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
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Lesson Plan
Curated OER

Multiplying Polynomials

For Teachers 8th - 11th
Students explore the concept of multiplying polynomials. In this multiplying polynomials lesson plan, students watch a video clip about basic math skills. Students work in groups on an exploration about why a binomial squared equals a...
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Lesson Plan
Curated OER

Count the Squares and Compare

For Teachers 4th
Fourth graders construct squares and rectanges in order to help them find areas and perimeters. They gain an understanding of area and perimeter through teacher modeling and then they construct squares and rectangles.
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Lesson Plan
Curated OER

Escape Velocity

For Teachers 9th - 12th
Students compute minimum velocity, using square roots.
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Worksheet
Curated OER

Math Who Am I?

For Students 5th - 6th
In this math facts review worksheet, students read the description of each math term and try to guess what the answer is. Students may check their attempts by circling the third letter in the box which gives the answer.
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Lesson Plan
Curated OER

Shapes

For Teachers K
Learners participate in a number of hands-on shape-related activities. They match and sort shapes by attribute, read books about shapes, complete shape art projects and explore and compare parts of shapes.
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Lesson Plan
Curated OER

Nets And Surface Area

For Teachers 4th - 6th
Upper graders investigate how to find the surface area when using two-dimensional shapes. They conduct an investigation in groups while working sample problems given during class discussion with the teacher. They also review how to...
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Activity
Ms. Amber Nakamura's Mathematics Website

Algebra Project

For Teachers 9th - 12th Standards
What would your dream house look like? A cottage? A medieval castle? High schoolers enrolled in Algebra design the perfect house while using slopes to write equations for various aspects of the project.
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Lesson Plan
Curated OER

Perimeter and Area Worksheet II

For Teachers 7th - 8th
In this perimeter and area worksheet, students find the perimeter and area of polygons. They use the proper formula to find the perimeter and area of circles, parallelograms, triangles, and rectangles. Students complete solve ten problems.
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Lesson Plan
EngageNY

Construct a Nine-Point Circle

For Students 9th - 10th Standards
There are an infinite number of points on a circle; can you find nine of them? After putting together a nine-point circle, pupils use constructions and their knowledge of triangle segments to determine the center of the circle. Learners...
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Lesson Plan
Curated OER

Math Technique in Multiplication and Division of Fractions

For Teachers 7th - 8th
Students multiply and divide fractions. In this math lesson plan, students are given explicit visual instruction of how to work with fractions. Intended for learning disabled students, the teacher demonstrates how to manipulate the...
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Lesson Plan
Curated OER

Math and Architectural Design in Relation to Rebuilding The World Trade Center

For Teachers 7th - 9th
Learners discover building plans and practice reading measurements.  In this architectural design lesson, students investigate the areas of the specific World Trade Center locations that need to be rebuilt and determine the cost....
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Worksheet
Curated OER

Area and Perimeter of a Square

For Students 5th - 6th
In this area and perimeter worksheet, students read the instructions and study the examples to learn how to find the area and perimeter of a square. Students solve 30 problems. This page is intended as an online activity, but may be...
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Lesson Plan
Curated OER

Completing the Square Lesson Plan

For Teachers 10th - 11th
Students investigate the origin of the quadratic function. In this algebra lesson, students analyze solving an equation by completing the square. They compare the early methods as compared to our method for solving quadratics.
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Worksheet
Curated OER

Nets and Surface Area - Mental Math

For Students 6th - 8th
For this mental math worksheet, students use mental math to find the surface area and determine nets of the given shape. They use an information sheet as an aide to find the answer to 30 questions.
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Lesson Plan
EngageNY

Replacing Letters with Numbers

For Teachers 6th Standards
When did letters become the same as numbers? Scholars learn about substituting numbers for letters to evaluate algebraic expressions in the seventh part in a series of 36. The lesson plan focuses on expressions related to geometry, such...