Interactive
Curated OER

All About Circles

For Students 6th - 8th
In this all about circles instructional activity, students interactively answer 10 multiple choice questions about circles, then click to check their answers.
Lesson Plan
Curated OER

Discovering Pi

For Teachers 6th
Sixth graders measure circumference and diameter to the nearest eighth of an inch, record measurements on a spreadsheet, and use the internet to complete a "scavenger hunt" of facts concerning pi.
Lesson Plan
Curated OER

Mensuration: Area

For Teachers 7th - 9th
In this area worksheet, students read story problems, draw diagrams, and find the area of described polygons. This eight page worksheet contains six problems. Answers are provided.
Lesson Plan
Curated OER

Measurement: Cylinders

For Teachers 8th - 10th
Math scholars observe and demonstrate how to calculate the surface area and volume of cylinders. They analyze pictures of various cylinders on a handout, solve problems on two worksheets independently, and discuss the answers to the...
Assessment
Concord Consortium

Bicycle Chain

For Students 10th - 12th Standards
Model a bicycle chain with circles and tangent lines. Given the dimensions of the sprocket wheels, young scholars calculate the length of the chain that surrounds them. A second task has learners write a function for the length of a...
Assessment
1
1
Balanced Assessment

Bicycle Chain II

For Students 9th - 12th Standards
Apply geometric concepts to a design problem. Individuals examine the structural setup of the chain on a bicycle and use the measurements of the circles to determine the length of the chain. 
Unit Plan
PBS

Accessible Shapes

For Teachers 6th - 8th Standards
All the 2-D and 3-D measurement work you need is in one location. Divided into three sections, the geometry lesson plans consist of visualization of three dimensions, classifying geometric figures, and finding surface area and volume....
Assessment
Mathed Up!

Functional Maths Questions

For Students 7th - 11th Standards
Dang, it's a word problem! Pupils address a variety of word problems that involve knowledge of proportions and geometric topics. The General Certificate of Secondary Education review problems require determining costs based on area...
Printables
Curriculum Corner

7th Grade Math "I Can" Statement Posters

For Teachers 7th Standards
Translate the Common Core math standards into a series of achievable "I can" statements with this collection of classroom displays. Offering posters for each standard, this resource is a great way to support your seventh graders as...
Handout
Del Mar College

Formulas for Elementary and Intermediate Algebra

For Students 6th - 9th Standards
Give your scholars the support they need to work with formulas. A reference page offers definitions and picture examples of perimeter, area, surface area, volume, the Pythagorean theorem, a variety of shapes, and more. 
Printables
Curriculum Corner

7th Grade Math Common Core Checklist

For Teachers 7th Standards
With so many math standards to fit into a school year, it can be difficult keeping track of what you have and have not covered. This collection of Common Core checklists allows you to maintain a running record of when each...
Lesson Plan
Curated OER

Slit the Width

For Teachers 8th - 9th
Students calculate the circumference and diameter of a circle. In this geometry lesson, students construct a circle and calculate the distance of different sizes of circles. They define the relationship between the diameter and the...
Worksheet
Curated OER

Circles

For Students 4th
For this circles worksheet, 4th graders view and study 4 circles and then write down the radius or diameter of each circle and estimate the circumference.
Lesson Plan
Curated OER

Perimeter and Circumference

For Teachers 5th - 8th
Learners consider perimeter and circumference. In this lesson plan on perimeter, students will determine relationships between perimeter and circumference using real life examples.
Worksheet
Curated OER

Circles: Circumference and Area

For Students 8th - 11th
For this circle worksheet, students calculate the circumference and area of given circles. They determine the perimeter of a shaded area, and give explanations to support problems. This two-page worksheet contains 3 multi-step problems.
Worksheet
Curated OER

Perimeter, Circumference, Volume, and Surface Area

For Students 8th - 11th
In this Perimeter, Circumference, Volume, and Surface Area worksheet, students are asked to identify geometric formulas and calculate for volume and surface area for geometric solids.  In addition, students are asked to identify...
Lesson Plan
Curated OER

Double, Double: Looking at the Effect of Change on Perimeter, Area and Volume

For Teachers 9th - Higher Ed
Students explore perimeter, volume, and area. In this math lesson, students explore how changes in dimensions of geometric shapes affect the perimeter, area and volume of the various shapes. Students investigate the results when the...
Worksheet
Curated OER

Density of the Human Body

For Students 5th - 8th
In this density of the human body activity, students measure several parts of the body to calculate the body volume. Students convert the body volume to body mass and body density.
Worksheet
Curated OER

Arcs in Circles

For Students 10th
In this arcs in circles activity, 10th graders identify 10 different circles and the measurement of their arcs. First, they determine the length of a minor arc to the nearest integer. Then, students determine the radius of a circle...
Lesson Plan
Curated OER

Perimeter and Area of Similar Figures

For Teachers 9th - 12th
Students determine the relationship between perimeter, circumference, area, surface area, and/or volume of similar figures and their parts. They complete activities related to the question. Answer key included.
Lesson Plan
Curated OER

Algebra/Geometry Institute: Area, Circumference, Perimeter

For Teachers 7th - 9th
Students solve area problems.  In this area, circumference, and perimeter lesson, students solve area and perimeter problems using standard and metric units of measure.  They identify the best customary unit of measure for a...
Worksheet
Houghton Mifflin Harcourt

Similar Polygons and Circles

For Students 9th - 12th
In these similar polygons and circles worksheets, students complete 15 questions including 9 word problems regarding similar polygons. Students then complete 15 questions including 1 word problem involving circumference, area, and arc...
Worksheet
Curated OER

Graphs of Formulas

For Students 5th
In this activity students fill out a function table after reading a short word problem. This is a good way for students to practice the necessary skills for solving word problems or setting up algebra equations.
Lesson Plan
Curated OER

Cap-It to the Max

For Teachers 8th
Eighth graders compare the volume of three cylinders constructed from the same size sheet of paper. They use concrete and graphical models to derive formulas for finding perimeter, circumference, area, and volume of two and three...