Lesson Plan
Curated OER

Finding Areas of Triangles, Rectangles, and Circles

For Teachers 9th - 10th
Young scholars find the areas of geometric shapes. In this geometry activity students find and measure the sides, perimeters, and areas of quadrilaterals, triangles, and circles. Young scholars relate the measures to the others by using...
Interactive
Curated OER

Area and Perimeter of Rectangles Worksheets (I)

For Students 6th - 12th
In this online math worksheet, students find the area and perimeter of rectangles. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching tool!
Interactive
Curated OER

Four Rectangle Perimeter Problems

For Students 6th - 9th
In this perimeter worksheet, students find the perimeter of four rectangles.  Explanations, examples, and solutions are provided.
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. For this math lesson, pupils complete related worksheet, build prisms and find volume and...
Lesson Plan
National Security Agency

Awesome Area - Geometry and Measurement

For Teachers 2nd - 4th Standards
Break out those math manipulatives, it's time to teach about area! Capturing the engagement of young mathematicians, this three-lesson series supports children with learning how to measure the area of squares, rectangles, and other...
Lesson Plan
EngageNY

Solving Area Problems Using Scale Drawings

For Teachers 7th Standards
Calculate the areas of scale drawings until a more efficient method emerges. Pupils find the relationship between the scale factor of a scale drawing and the scale of the areas. They determine the scale of the areas is the square of the...
Worksheet
Curated OER

Ratio (2.1)

For Students 5th - 6th
In this finding the ratio worksheet, students solve fractions of a share, fraction of the total, total number, length, and perimeter of a rectangle by using ratios. Students solve ten word problems.
Worksheet
Curated OER

Perimeter and Area of Polygons

For Students 10th
In this polygons worksheet, 10th graders solve 10 different problems that include finding the perimeter and area of various polygons. First, they determine the length of the base of a rectangle given its height. Then, students determine...
Worksheet
Curated OER

Rectangle Perimeters

For Students 1st
In this measurement worksheet, 1st graders study the different rectangles and then find the perimeter of each rectangle to the nearest inch.
Assessment
1
1
Balanced Assessment

Gligs and Crocs

For Students 9th - 12th Standards
Explore relationships between perimeter and area. Learners compare the measurement units of gligs and crocs. They use a given perimeter and area as well as specific measurement relationships to determine the scale of gligs to crocs.
Lesson Plan
Virginia Department of Education

Out of the Box

For Teachers 6th Standards
There's no need to think outside the box for this one! Scholars measure the length, width, and height of various boxes. Results help develop the formulas for the surface area and volume of rectangular prisms.
Interactive
CK-12 Foundation

Evaluation of Perfect Square Roots: Neighborhood Park

For Students 7th - 9th Standards
Walking in the park can be good for the body and for mathematics skills. Young scholars use an interactive app to investigate the relationship between squares and square roots using a square with adjustable length. The program also...
Lesson Plan
Curated OER

Scale Drawing: Insulating Another Attic

For Teachers 6th - Higher Ed
Give your future household repair specialists a real-life chance to apply the concepts of ratio and proportion. Using a scale drawing, they calculate the missing dimensions of two walls of a compound-shaped attic. They then figure how...
Lesson Plan
Curated OER

Area: Algebra/Geometry Institute Summer 2009

For Teachers 6th - 8th
Middle schoolers compute the area of a rectangle.  In this area lesson, students measure the sides of rectangles and squares.  They cut figures, measure them, and determine the area of each given figure.  Middle schoolers...
Worksheet
Curated OER

Area

For Students 10th
In this area worksheet, 10th graders solve 7 various types of problems by finding the area of various shapes in geometry. First, they determine what happens to the area and perimeter of a rectangle when the length and width are doubled....
Worksheet
Curated OER

Rectangles

For Students 10th
In this rectangles worksheet, 10th graders solve 10 problems related to the rectangle illustrated on the sheet. First, they use the rectangle and the given information to solve each of the five problems that follow relating to its angle...
Lesson Plan
Alabama Learning Exchange

Polygon Perimeters

For Teachers 3rd Standards
What are polygons? Learners find the perimeter of various geometric figures that the teacher has drawn in chalk on the sidewalk. A worksheet to record their measurements is provided. Get your third graders outside and exploring the world...
Lesson Plan
Curated OER

Shapes and Their Insides

For Teachers 2nd - 4th Standards
Learners follow a series of instructions for drawing and coloring different shapes in order to learn the difference between the perimeter and area of a polygon. Then they are asked to find the perimeter and area of a 3x4 rectangular...
Worksheet
Raytheon

Geometry: Perimeter and Area

For Students 5th - 8th
In this geometry activity, young mathematicians apply the formulas for the area and perimeter of polygons and circles to solve a variety of skills practice and problem-solving questions.
Lesson Plan
Curated OER

Polygon Perimeters

For Teachers 4th
Fourth graders practice finding the perimeter of shapes.  In this measurement lesson, 4th graders review the meaning of perimeter and work in groups to draw polygons with differing perimeters.  Students share their polygons...
Worksheet
Curated OER

Measurement: Perimeter

For Students 3rd - 4th
In this measuring perimeters worksheet, students measure the perimeters of each rectangle to the nearest centimeter. Students solve 6 problems.
Lesson Plan
Curated OER

Lesson One: Perimeter, Area, Volume

For Teachers 6th - 8th
Learners explore perimeter, area and volume. Using geoboards, toothpicks, and marshmallows, students create specific shapes. They are directed to use formulas to find the volume, area, and perimeter of the created shapes. In groups,...
Worksheet
Curated OER

Effects of Changing Dimensions Proportionally

For Students 9th - 10th
In this geometry worksheet, students describe the effect of a proportional change on the perimeter or circumference and area of the given circles or quadrilaterals.  The one page worksheet contains ten problems.  Answers are...
Interactive
Curated OER

Surface Area of Prism

For Students 10th
Tenth graders are provided instructions, including a video, on calculating the surface area of a prism. The one-page interactive instructional activity contains two worked questions. Answers are included.