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...
Lesson Plan
Curated OER

Developing Formulas for Triangles and Quadrilaterals

For Teachers 10th
In this geometry worksheet, 10th graders determine the area of triangles, parallelograms, trapezoids, kites, and rhombuses. The one page worksheet contains eleven problems. Answers are included.
Lesson Plan
Curated OER

The Very Busy Spider

For Teachers 3rd - 4th
Youngsters explore visual arts by participating in a geometry identification activity. They read the book The Very Busy Spider and identify the techniques spiders use to create webs. Have you ever noticed that their webs are geometric...
Worksheet
Curated OER

Finding Angles, Volume, Area, and Perimeter

For Students 4th - 6th
Elementary schoolers complete word problems dealing with the different kinds of measurements of different shapes. They solve 10 problems including perimeter, angles, volume, and more.
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...
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...
Worksheet
Curated OER

Algebraic Manipulation

For Students 9th - 11th
In this algebraic manipulation worksheet, students examine a given number grid, find the pattern and determine an equation to fit the situation. They calculate the area of given rectangles. Students solve real life problems using given...
Lesson Plan
Curated OER

Geometry and Geoboard

For Teachers 6th
Sixth graders use geoboards and dot paper to experiment with geometric concepts. In this geometry lesson plan, 6th graders complete four activities using geoboards or dot paper including naming points on a coordinate plan and finding the...
Worksheet
Curated OER

Perimeter and Area Practice

For Students 4th - 6th
In this area and perimeter practice worksheet, students examine 4 sample problems and solve 20 problems that require them to calculate perimeter and area.
Assessment
Noyce Foundation

Pizza Crusts

For Teachers 6th Standards
Enough stuffed crust to go around. Pupils calculate the area and perimeter of a variety of pizza shapes, including rectangular and circular. Individuals design rectangular pizzas with a given area to maximize the amount of crust and do...
Lesson Plan
EngageNY

Problem Solving and the Coordinate Plane

For Students 6th Standards
Class members investigate rectangles on the coordinate plane. They determine the length of line segments in the coordinate plane with the same x-coordinate or same y-coordinate and then solve geometric problems involving perimeter...
Assessment
1
1
California Education Partners

Tile Mural

For Students 3rd Standards
Paste this resource into your lesson plans like you'd paste a tile onto a mural. Given a diagram of a tile mural with rectilinear figures, future artists determine the perimeters and areas of the figures. They must then develop their own...
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.
Assessment
Concord Consortium

Bricks for Books

For Students 5th - 7th Standards
Maximize a profit with an understanding of geometric dimension. A real-world task challenges learners to design a pattern using three different brick shapes. The bricks are dedicated with a different donation for each shape, so part of...
Worksheet
Curated OER

Area of 2D Shapes

For Students 9th - 12th
In this area worksheet, students commence solving for area of squares and rectangles, and continue to parallelograms and triangles, and continue again to rhombi and trapezoids and finish with circles, polygons, and shaded...
Worksheet
Curated OER

Area of Compound Shapes

For Students 5th - 6th
In this compound shapes worksheet, learners solve 40 problems in which the area and perimeter of compound shapes is calculated. There are instructions and examples on this page, which is intended to be used on-line, but can be completed...
Lesson Plan
Curated OER

Finding Areas of Plane Figures

For Teachers 9th - 10th
Students compute areas of squares, rectangles, and so on and summarize the formulas for computing areas and explain how the formulas are derived and understand the reasoning behind them.
Worksheet
Curated OER

Area and Perimeter of Rectangles

For Students 4th - 6th
In this area and perimeter worksheet, students find each for a set of 6 rectangles. A website reference for additional resources and answer key are provided.
Worksheet
Curated OER

Area Problems

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

Length/Width of a Rectangle

For Students 6th - 8th
In this length and width worksheet, middle schoolers find either the length or width of a rectangle with the area and other known measurement given. Students complete 4 problems.
Worksheet
Curated OER

Perimeter and Area

For Students 4th - 5th
In this math worksheet, students calculate the area of 6 rectangles. Students are not asked to find the perimeter despite the title of the page. There is no instruction.
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.
Worksheet
Curated OER

Perimeter and Area Practice 2

For Students 4th - 6th
In this area and perimeter practice worksheet, students examine 4 sample problems and solve 20 problems that require them to calculate perimeter and area.
Lesson Plan
Curated OER

Area of Complex Figures

For Teachers 5th
Fifth graders use formulas for calculating areas of squares and rectangles to find area of complex figure, compare their own ideas with their classmates' ideas, and recognize that there are multiple methods for finding area of complex...