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

Pumpkin Predictions

For Teachers 4th - 7th
It's time for Halloween and math! Perfect for Fall, this simple worksheet provides a grid for young mathematicians to record their predictions about a pumpkin's height, stem length, diameter, circumference, and weight. After learners...
Worksheet
1
1
University of Adeaide

Basic Trigonometry and Radians

For Teachers 9th - 12th Standards
A fabulous set of examples and problems that introduce basic trigonometry concepts, this packet is set apart by the care it takes to integrate both radians and degrees into the material. After defining radians, the author demonstrates...
Assessment
1
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CCSS Math Activities

Smarter Balanced Sample Items: 7th Grade Math – Target F

For Teachers 7th Standards
Sometimes it's how you ask the question that counts. The sixth installment of nine from the Smarter Balanced Claim 1 Slideshow series presents a set of 13 questions to assess understanding of angle relationships as well as area and...
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....
Lesson Plan
EngageNY

Euler’s Number, e

For Teachers 9th - 12th Standards
Scholars model the height of water in a container with an exponential function and apply average rates of change to this function. The main attraction of the instructional activity is the discovery of Euler's number. 
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...
Worksheet
Curated OER

Perimeter and Circumference

For Students 10th
In this geometry worksheet, 10th graders are given shapes of rectangles and circles. They calculate the perimeter and circumference of the different polygons given values for the diameter or sides. There are 10 questions with an answer key.
Worksheet
Curated OER

TT Pies

For Students 4th - 6th
In this worksheet about geometry, students learn about circumference. Students are required to find circumference of pies in this worksheet. There are eight problems in this worksheet. As a bonus students are asked to find the radius of...
Lesson Plan
Curated OER

The Value of Volume

For Teachers 9th - 11th
Students measure the perimeter and area of their polygons. In this geometry lesson, students calculate the volume and area using the correct tools. They calculate the time and temperature and the perimeter and side lengths of triangles.
Worksheet
Curated OER

Perimeter and Circumference

For Students 7th - 8th
In this perimeter and circumference worksheet, students observe diagrams and determine their perimeter or circumference. Diagrams include triangles, circles, parallelograms, rectangles, and composite figures. This one-page worksheet...
Lesson Plan
Curated OER

Equations of Circles

For Teachers 10th - 12th
Students will define circle and radius. In this radius lesson,  students are given a circumference, they will write an equation and sketch the circle. Students will match graphs of circles to their equations.   
Lesson Plan
Curated OER

Spaghetti Measure

For Teachers 6th - 8th
Young scholars receive a copy of a "Spaghetti Measure" task sheet along with the scoring rubric. Students preview the task and the rubric prior to starting the task. tudeThey determine the circumference of a circle of spaghetti that will...
Lesson Plan
Curated OER

Measuring Pots

For Teachers 4th - 9th
Students use an activity sheet to construct analogies about possible function of ancient or historic ceramics and compute circumference from a section of a circle as they study measuring pots.
Lesson Plan
Curated OER

The Circle's Measure

For Teachers 3rd - 7th
Students explore circumference and diameter. In this math lesson, students apply their knowledge of circumference and diameter to solve mathematical riddles. Students apply this knowledge to find circumference and diameter of various...
Worksheet
Curated OER

Circles in Circles

For Students 4th - 5th
In this circle worksheet, students use a diagram of 4 concentric circles to complete a set of 4 questions. A reference web site is given for additional activities.
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.
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...
Lesson Plan
Curated OER

Tree Measurement

For Teachers 4th - 6th
Measure a tree? Yes, measure a tree! Students get outside and measure a tree's trunk, crown, and height. Each group compares their answers to determine if any re-measuring is necessary. Once back in the classroom, students make bar...
Lesson Plan
Curated OER

Connecting Formulas Related to Geometric Figures

For Teachers 8th - 12th
Students identify diagrams of quadrilaterals and circles by different names and classify the figures. They name the areas for each diagram and practice solving the formulas for each.
Lesson Planet Article
Curated OER

Explore the Mathematics of the Explorers

For Teachers 3rd - 7th
Columbus and other explorers relied upon mathematical calculations using the Earth, stars, and ships speeds.
Activity
Pie Council

National π Day

For Teachers 4th - 8th Standards
Learners can enjoy pi with pie! A collection of short activities celebrates pi day with a word search, a maze, and real-world problemsn. Using pi in formulas for area, circumference, and volume as well as exploring simple fractions is...
Lesson Plan
LABScI

Cell Diffusion and Permeability: The See-Thru Egg Lab

For Teachers 9th - 12th
Create a model to study a microscopic phenomenon. The seventh of 12 lessons uses an egg (without its shell) to represent a cell membrane. Using different solutions, learners explore the concept of cell diffusion. They monitor...
Worksheet
Curated OER

Calculate Radius and Diameter, Estimate Circumference #2

For Students 5th - 6th
In this radius, diameter and circumference learning exercise, students calculate diameter and estimate circumference of 2 given circles. A reference web site is given for additional activities.