Curated OER
Perimeter and Area of Complex Figures
For this perimeter and area worksheet, students solve 6 word problems where they must determine the perimeter or area of complex figures. Diagrams are provided and real world applications like gardens and carpeting are used in the problems.
Curated OER
Area of Complex Figures
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...
Curated OER
Perimeter and Area of Complex Figures
In this perimeter and area of complex figures practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Curated OER
The Square Counting Shortcut
An excellent lesson plan that encourages students to discover how complex figures can be broken into simpler shapes when measuring area. Working with block letters, learners are given the freedom to develop their own strategies for...
Curated OER
Area of Circles and Probability
Students investigate the area of squares and circles. For this geometry lesson, students calculate the area and probability of simple events. They work on a laptop using Safari.
EngageNY
An Area Formula for Triangles
Use a triangle area formula that works when the height is unknown. The eighth installment in a 16-part series on trigonometry revisits the trigonometric triangle area formula that previously was shown to work with the acute triangles....
Curated OER
Complex Figures
In this complex figure worksheet, students find the length, height, perimeter, and surface area of the complex figure. Students complete 4 problems.
Curated OER
Geometry - Complex Figure
For this geometry worksheet, 4th graders work with a complex figure. They calculate the length of one line in the figure, find the perimeter, the length of another side, and the surface area of the figure.
Curated OER
Perimeter and Area of Irregular Figures ELL 16.5
In this finding area activity, students solve the area of an irregular figure by reading and performing step by step operations. Students complete fourteen steps to solve and summarize finding the area.
Curated OER
Perimeter and Area
In this perimeter and area worksheet, students find the perimeter and area of complex figures. Students complete 9 problems total on this worksheet.
Curated OER
Area of complex shapes with 90' angles
In this area worksheet, students figure out the area of complex shapes containing 90' angles. Students find the area for 2 shapes.
Curated OER
Area of Figures That Include Circles
In this area instructional activity, 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 instructional activity...
NASA
Next Generation Spacecraft—Orion
What is the cross-sectional area of the Orion spacecraft? Groups work together to estimate the area of a cross section of the Orion spacecraft by first counting the number of grids a scale drawing covers. Pupils also employ a method...
Curated OER
Complexity Madness
Discuss different techniques for finding the area of a geometric shape, with a great visual guide. Using a real life example, learners calculate the area of a rectangle and a square.
Curated OER
Complexity Madness
After introducing the concept and formula for finding the area of a square, try this lesson. Fifth graders will use their prior knowledge to break apart various shapes in order to determine area. This lesson includes several examples,...
Curated OER
Geometric Shapes: Area and Perimeter
There's a reason this learning exercise is done in groups! Tricky word problems give geometry scholars a challenge as they use prior knowledge about shapes to find the area and perimeter given a few measurements. Students will enjoy...
Curated OER
Solids...Volume and Surface Area
In this volume and surface area worksheet, students find the volume and surface area of different solid figures. Students complete 8 problems.
EngageNY
Complex Numbers and Transformations
Your learners combine their knowledge of real and imaginary numbers and matrices in an activity containing thirty lessons, two assessments (mid-module and end module), and their corresponding rubrics. Centered on complex numbers and...
Illustrative Mathematics
Eight Circles
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...
Inside Mathematics
Patterns in Prague
Designers in Prague are not diagonally challenged. The mini-assessment provides a complex pattern made from blocks. Individuals use the pattern to find the area and perimeter of the design. To find the perimeter, they use the Pythagorean...
Curated OER
Introductory to Area (Squares, Rectangles, and Triangles)
Students explore the concept of finding area. In this finding area lesson, students use knowledge of area of triangles to find area of squares and rectangles. Students find area of irregular figures by breaking the figure down into...
California Education Partners
Tile Mural
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...
Illustrative Mathematics
Stained Glass
A complex question looking for the total cost of a stained glass window by calculating area and circumference of a circle. With detailed components, this activity will challenge your designers to figure out if they have enough money to...
HeyMath!
Volume of Pyramid
Go beyond the basic formulas and uncover the surface area and volume of 3-D shapes with this comprehensive and organized worksheet packet. The problems include the basic formula computations while also challenging your learners to derive...