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
Primary Geometry
Students identity simple geometric shapes. In this early geometry instructional activity, the teacher introduces students to triangles, squares, and rectangles, then students identify and classify the shapes as they are found in the...
Curated OER
What's the Area?
Fifth graders use area to calculate the cost for new flooring. They find the area of a square or rectangle. Calculating Area problems and worksheet are attached.
Curated OER
Learning The Basic Shapes
Students explore basic shapes concepts. In this math lesson, students examine circles, triangles, squares, and rectangles as they draw the figures they see on worksheets.
Curated OER
Shapes And Colors
Students distinguish between circles, squares, and rectangles and various colors in which they utilize the KidPix program on the computer to create them. They alternate; allowing each student to have a turn constructing and coloring in...
Curated OER
Going out of Business: Pythagorean Theorem
Students find the length of diagonals. In this Pythagorean theorem lesson plan, students use the Pythagorean theorem to determine the length of diagonals.
Curated OER
Everyday Objects with Shapes
Students explore geometric shapes. In this geometry and language development lesson, students take a walk and look for shapes in the objects outdoors. Students match each of four individual paper shapes they are...
Curated OER
Lesson 9-3 Practice B: Composite Figures
In this composite figures worksheet, students solve 11 short answer problems. Students find the area of figures composed of various polygons. Students find the area of each figure given a sketch of the figure with various measurements...
Curated OER
Two-Dimensional Geometric Shapes
Learners participate in hands-on activities to explore the shapes in their environment.
Curated OER
Shapes
Students recognize different shapes, such as squares and rectangles. They make a face using squares and the rest of a body using rectangles, using the drawing pencil in KidPix.
Curated OER
What a SHAPEly Fit!
Learners identify and explore the attributes of polygons. They design and create a quilt square using polygons, and produce a class quilt.
Curated OER
Drawing with Shapes
First graders combine different shapes to create an image. In this geometry lesson plan, 1st graders utilize squares, circles, rectangles, triangles, and arc to draw a picture. Students share their creation with their class...
Curated OER
Tukutuku Patterns
Students complete a series of lessons involving Tukutuku patterns, their rotations and area formulae. They determine the algebraic formulae for sequences. They use images as they work through the lessons to find the number of crosses in...
Curated OER
What Does It Take?
First graders study the attributes of circles, squares, triangles and rectangles. They sort shapes that are the same and those that are different into groups.
Illustrative Mathematics
Finding Areas of Polygons, Variation 1
An exercise in finding the area of polygons by decomposing into triangles and composing into rectangles is the focus of this resource. Make several copies of the worksheet for each participant. Ask learners to use colored pencils to...
Ohio Department of Education
Describing and Creating Plane Figures - Grade One
Young mathematicians draw, create, and describe different shapes using triangles. They discuss attributes of the original and created shapes. Pupils classify the created shapes and draw and write in mathematics journals to communicate...
Curated OER
Quilting
Students use a monochromatic palate, select shades and tints for a selected hue, or select complimentary or analogous colors for a quilt design. They design quilt squares using basic geometric shapes, repetition, balance, and proportion.
Curated OER
Peter's Third String
Explore the solution to a word problem involving area and perimeter. Learners read and discuss how to approach the problem. In small groups, they determine the maximum area of a rectangle with a given perimeter using a piece of string....
Curated OER
Investigation Designing a Patchwork Quilt
Fourth graders practice calculating area by creating a classroom quilt. Students are given a 6x6 inch square material they design based on a classroom theme. A sample of the class quilt is created using graph paper so students may...
Curated OER
The Pythagorean Puzzle
An engaging hands-on activity is presented. Learners of all ages are addressed in thie unique plan. K-5 learners identify, name, and define a rectangle, square, triangle, and the concept of area. Older learners prove the Pythagorean...
American Farm Bureau Foundation for Agriculture
Shapes in Agriculture
It's time to get crafty with shapes! Your future farmers demonstrate their geometric ability by building a farm using triangles, circles, rectangles, and squares. But first, scholars take part in a brainstorm session inspired by their...
EngageNY
The Euclidean Algorithm as an Application of the Long Division Algorithm
Individuals learn to apply the Euclidean algorithm to find the greatest common factor of two numbers. Additionally, the lesson connects greatest common factor to the largest square that can be drawn in a rectangle.
Alabama Learning Exchange
There's Gold in Them There Hills
Need to build a laser fence on Mars? In this cute maximizing-area lesson, young explorers pretend to be prospectors on Mars and must determine the best way to use 20 meters of fencing in order to maximize their area. In addition,...
Cord Online
Pyramids and Cones
Young mathematicians find the surface area and volume of a square pyramid and a cone. In what looks like a typical activity out of a textbook, you'll find an activity where learners find an unknown measurement of a pyramid or...
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