Lesson Plan
Mathematics Assessment Project

Calculating Arcs and Areas of Sectors of Circles

For Teachers 9th - 12th Standards
Going around in circles trying to find a resource on sectors of circles? Here is an activity where pupils first complete an assessment task to determine the areas and perimeters of sectors of circles. They then participate in an...
Lesson Plan
Virginia Department of Education

Surface Area and Volume

For Teachers 9th - 11th Standards
Partners use materials to wrap three-dimensional objects to determine the formula for surface area. The groups use an orange to calculate the amount of peel it takes to completely cover the fruit. Using manipulatives, individuals then...
Lesson Plan
Illustrative Mathematics

Eight Circles

For Teachers 6th - 9th Standards
We are used to finding the area of a circle by plugging the radius into an equation. Here, learners are required to go further to find multiple areas and calculate the difference. They must detect a pattern in order to figure out the...
Lesson Plan
Techbridge Curriculum

Calculating Rainwater Runoff

For Teachers 4th - 12th
Thirsty plants soak up every bit of a rainfall, but what happens to the rain that hits the roof? Calculate the amount of rainwater from your school's roof with an Earth science activity, which brings measurement skills, observation...
Activity
Houston Area Calculus Teachers

Area and Volume

For Students 11th - Higher Ed
An AP calculus lesson begins with an activity to determine the volume of a solid using a cross-section. Next, learners review the ways to find the area between two curves , as well how to find the volume of a solid created...
Worksheet
Math Drills

Volume and Surface Area of Rectangular Prisms

For Students 7th - 10th Standards
Your learners get solid practice calculating the surface area and volume of rectangular prisms with this activity. There are ten versions of the activity for their enjoyment, and yours.
Lesson Plan
EngageNY

Perimeter and Area of Triangles in the Cartesian Plane

For Students 9th - 12th Standards
Pupils figure out how to be resourceful when tasked with finding the area of a triangle knowing nothing but its endpoints. Beginning by exploring and decomposing a triangle, learners find the perimeter and area of a triangle. They...
Lesson Plan
Alabama Learning Exchange

Triangle Area: No Height? Use the Sine

For Students 9th - 12th Standards
No height? No problem! Learners use their knowledge and a little help from GeoGebra to develop the Law of Sines formula. The Law of Sines helps to determine the height of triangles to calculate the area.
Lesson Plan
Curated OER

Area Of A Circle

For Teachers 8th - 12th
Students investigate the concept of area and how it can be applied to a circle. They use the right formula in order to solve different problems. The teacher leads the class through different examples and serves as a resource during...
Worksheet
Curated OER

Calculating in Construction - Area

For Students 8th - 12th
In this area worksheet, 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.
Interactive
Curated OER

Online Math Learning: Surface Area of Spheres

For Students 9th - 12th
In this surface area of spheres worksheet, students solve 4 short answer problems. Students find the surface area of spheres, hemispheres, and cones given a radius or a radius and height.
Worksheet
Curated OER

Circle Area, Perimeter and Circumference

For Students 7th - 9th
Use this geometry skills practice activity to have learners solve seven problems that require them calculate the circle area, perimeter, and circumference of circles.
Interactive
Curated OER

Area of a Trapezoid

For Students 9th - 12th
In this online math learning exercise, 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...
Interactive
Curated OER

Area of Figures That Include Circles

For Students 10th - 12th
In this area worksheet, students calculate the perimeter and area of given complex figures.  They determine the area of shaded regions, and find the distance between straight lines.  This one-page worksheet contains 4...
Lesson Plan
Curated OER

Investigating Area Relationships

For Teachers 9th - 12th Standards
Learners investigate the area of various figures. They construct triangles and quadrilaterals using Cabri Jr. and discuss the relationships between different angles, side lengths, and figures.
Organizer
Curated OER

Calculate the Area

For Students 6th
In this area of a circle worksheet, 6th graders must calculate the area of 5 circles given either the radius or diameter. Students must write the area on the line provided and a blank space is provided for students to work out the...
Interactive
Curated OER

Area of Shapes

For Students 7th - 9th
In this area of shapes learning exercise, students determine the area of equilateral triangles, acute triangles, and compound figures. This one-page learning exercise contains 3 multi-step problems.  Answers are provided with this...
Interactive
Curated OER

Find the Area of Four Shaded Figures that Include Circles

For Students 9th - Higher Ed
In this area worksheet, students calculate the area of four figures that each include circles.  Students can check their answers and get hint by clicking on the "Check" or "Hint" button at the bottom of the page.
Worksheet
Curated OER

Finding The Area

For Students 9th - 11th
In this geometry worksheet, students calculate the area of a given shape. They use the formulas for squares and circles to help them find the area. There are 2 questions with an answer key.
Worksheet
Curated OER

Geometry Worksheet: Area (4)

For Students 7th - 9th
In this geometry worksheet, students calculate the shaded area of given shapes.  They determine the area around a circle, a portion of a rectangle, and composite figures.  THis one-page worksheet contains two multi-step...
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...
Lesson Plan
Curated OER

Exploring the Area Under a Curve

For Teachers 9th - 12th Standards
Using TI-89, mathematicians explore and investigate Riemann sums to estimate the area under the graphs of intervals by drawing and illustrating rectangles. They review and practice the concepts of summation notation and area formulas to...
Worksheet
Curated OER

Surface Area of Solids

For Students 9th - 12th
In this surface area worksheet, high schoolers evaluate the surface area of complex solids.  This one-page worksheet contains 3 multi-step problems.  Answers are provided.
Worksheet
Curated OER

Area of a Square

For Students 6th
In this geometry worksheet, 6th graders find the area of four squares with given measurements. Students use metric units to calculate the area of each given square.