Worksheet
Curated OER

Area Problems

For Students 4th - 6th
For this area worksheet, students find the area of 3 given figures, then fill in missing dimensions in 3 additional figures. Answers included on page 2.
Worksheet
Curated OER

Areas of Irregular Figures

For Students 4th - 5th
In this calculation of area worksheet, students solve 3 problems in which areas of irregular figures are determined. The examples show the formula and method.
Worksheet
Curated OER

Area and Perimeter of Various Shapes

For Students 5th - 6th
In this area and perimeter worksheet, students find each for 6 given shapes. A website reference for additional resources and an answer key are provided.
Lesson Plan
Curated OER

Area of Irregular Polygons

For Teachers 10th
In this geometry worksheet, 10th graders determine the area of irregular polygons.  The one page worksheet contains three problems.  Solutions are provided.
Worksheet
Curated OER

Area, Riemann Sums and Summation Notation

For Students Higher Ed
In this math worksheet, students solve four problems written in sigma notation. They use Riemann sums to find the areas in four problems involving rectangles. Students work in groups to compute the Riemann sum approximations for rectangles.
Lesson Plan
Curated OER

Area of irregular Polygons: Historical Motivator - Lewis and Clark Adventure

For Teachers 7th
Seventh graders find the area of irregular polygons. In this lesson on calculating area, 7th graders use the adventures of Lewis and Clark as motivation to learn how to calculate the area of irregular polygons.
Lesson Plan
Curated OER

Scale Factor- Surface Area and Volume

For Teachers 9th - 10th
Students calculate the surface area and volume of shapes. In this geometry lesson, students create different scales and calculate the volume and area for each shape. They compare and contrast between the different scales and shapes.
Lesson Plan
Curated OER

Perimeter and Area

For Teachers 4th - 5th
In this math worksheet, students find the area of 6 rectangles. Although the title indicates otherwise, students are not asked to calculate perimeters. There is no instruction on the page.
Worksheet
Curated OER

Area and Perimeter

For Students 10th
In this area and perimeter worksheet, 10th graders solve and complete 18 various types of geometry problems. First, they find the area of a figure shown with consecutive sides perpendicular. Then, students find the area and perimeter of...
Lesson Plan
Curated OER

Who Let the Dogs Out?

For Teachers 7th - 8th
Students examine the concepts of area and perimeter and how they relate to a rectangle. They find the largest possible area that can be enclosed by a fixed perimeter and complete a worksheet as well as create a table of all the possible...
Lesson Plan
Curated OER

The Surface Area of a Cylinder

For Teachers 8th - 10th
Students find the circumference and diameter of several circles and calculate the surface area of cylinders. In this surface area of a cylinder lesson plan, students use rectangles and lids to make several cylinders. They calculate the...
Lesson Plan
Curated OER

Cylinder: Student Worksheet

For Teachers 4th - 7th
In this cylinder worksheet, students compare three different cylinders to experiment which one has the greatest volume. Students interact with rectangles as they experiment with the cylinders.
Worksheet
Curated OER

Unit 8 Algebra: Brackets

For Students 8th - 10th
In this expansions learning exercise, students use area to solve expansions of brackets problems. There are 4 of this type, each problem having less guidance than the previous. The second activity asks students to solve magic square...
Worksheet
National Council of Teachers of Mathematics

Do I Have to Mow the Whole Thing?

For Students 9th - 12th
In this mowing worksheet, learners find the area of given rectangles. They determine the combinations of lengths and widths that generate a given area. Learners graph given points. This two page worksheet contains sixteen multi-step...
Lesson Plan
Curated OER

Algebra/Geometry Institute Summer 2009 - Triangles and the Pythagorean Theorem

For Teachers 7th
Seventh graders find the perimeter and area of triangles.  In this finding the perimeter and area of triangles lesson plan, 7th graders find the perimeter and area of triangles given two sides.  Students find the missing side...
Lesson Plan
Curated OER

Lesson 9-3 Practice B: Composite Figures

For Teachers 9th - 12th
In this composite figures worksheet, high schoolers solve 11 short answer problems. Students find the area of figures composed of various polygons. High schoolers find the area of each figure given a sketch of the figure with various...
Worksheet
Math eBook

Perimeter Worksheet

For Students 7th - 8th
In this perimeter worksheet, students find the perimeter of given regular and irregular polygons. This four-page worksheet contains 20 problems. This interactive worksheet may be completed online or printed for paper use.
Lesson Plan
Curated OER

Balobbyland City Planners

For Teachers 3rd - 5th
Students create a mini city using proportions that fit a model human they construct using tin foil. They plan the city including a library, sports arena, living spaces, parks and businesses. When constructing the paper buildings, they...
Worksheet
Math Mammoth

Expressions

For Students 8th - 10th
In this expression worksheet, learners evaluate equations, write equations for a specified event, and determine the perimeter of shapes, Six multi-step problems are provided on this one-page worksheet.
Worksheet
Curated OER

Relationship Between Area and Perimeter

For Students 5th - 7th
In this area and perimeter learning exercise, students find the perimeter of 1 of a pair of rectangles with the same area. A reference web site is given for additional activities.
Assessment
Concord Consortium

Rectangulating

For Students 9th - 12th Standards
Use rectangles to find distances. Given a rectangle and three associated triangles, pupils determine the area of the triangles. Scholars know the three triangles have equal areas along with the perimeter of the rectangle and two other...
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
1
1
California Education Partners

Fun on the Farm

For Students 3rd Standards
Let imaginations run wild as participants design animal pens. A performance task challenges young mathematicians to determine the perimeter or a missing side length of different animal pens. They then design pens that meet given...
Interactive
CK-12 Foundation

Sums of Finite Arithmetic Series: Triangular Numbers

For Students 11th - Higher Ed
Using a slider, scholars build triangular numbers and their associated rectangles and use the geometric display to find the pattern to determine the next triangular number. They then relate that number to the area of the rectangle to...