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Lesson Plan
Arizona State University

Tricorn Triangles

For Teachers K - 1st Standards
Help your learners examine triangles. Pupils explore the different sizes and measurements of triangles. They discover triangles can be isosceles or scalene, and examine the attributes of triangles. Here is the website where you can find...
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Lesson Plan
Curated OER

Isosceles Triangles

For Teachers K - 2nd
Students investigate triangles. In this shapes geometry lesson, students define and state the attributes for equilateral, scalene, and isosceles triangles. Students locate the prefix "tri" in a variety of words and make connections with...
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Lesson Plan
Curated OER

Triangles Introduction

For Teachers K - 3rd
Students explore geometry by drawing various shapes in class. In this triangle characteristics lesson, students identify the attributes that classify a shape as a triangle and practice using their bodies to create triangles in class....
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Lesson Plan
Curated OER

Intro To Quadrilaterals

For Teachers 1st - 3rd
Students engage in a lesson that is concerned with the concept of quadrilaterals and how they are used to create a rectangle for a door. They create a drawing of a quadrilateral while finding the sum of the angles. They practice problems...
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Lesson Plan
Ohio Department of Education

Describing and Creating Plane Figures - Grade One

For Teachers K - 2nd Standards
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...
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Lesson Plan
Curated OER

That's So Square

For Teachers 1st - 3rd
Students familiarize themselves with the three most common geometric shapes: circles, triangles and parallelograms. They sketch, sort, and name the shapes.
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Lesson Plan
Pyro Innovations

Get into Shape

For Teachers K - 1st Standards
Shapes are so fun! Little ones explore, identify, and create shapes using tangrams or pattern blocks. The activity is intended to stimulate critical thinking while engaging learners through play and shape identification. Each child will...
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Lesson Plan
Arizona State University

Roundup Shapes

For Teachers K - 1st Standards
Let's study 2-D shapes! Young mathematicians compare and classify shapes according to attributes. They evaluate shape riddles and predict the shape being described. Here is the website where you can find the...
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Worksheet
Curated OER

Odd or Even (Sums and Differences)

For Students 1st - 2nd
In this math worksheet, students examine 14 problems inside geometric shapes. Students solve the simple addition or subtraction problems and color the shape blue if the answer is even and red if it is odd.
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Lesson Plan
Curated OER

Ladybug Adventures

For Teachers Pre-K - 2nd
Students solve problems using mathematical skills. For this math lesson, the students use math concepts, to design a virtual path for a ladybug. The students will reinforce their skills in algebra and geometry concepts.