Lesson Plan
Curated OER

Small and Large Squares

For Teachers K - 1st
Young mathematicians classify squares according to attributes. They sort squares according to specific attributes. Students explore squares in repeating patterns and order squares according to size. Engaging extension activities are...
Interactive2:10
Scholastic

Study Jams! Classify Quadrilaterals

For Students 3rd - 6th Standards
Face the vertex of two-dimensional shapes and discover what each figure requires as part of its classification. With one shape per slide, learners see what makes each shape special and compare it to others with similar qualities. 
Lesson Plan
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Curated OER

Classifying Three-Dimensional Shapes

For Teachers 7th
Compare geometric solids based on their properties. Your emergent geometers use spaghetti and marshmallows to build models so they can examine the number of faces, edges, and vertices on polyhedra of their own creation. Resource includes...
Lesson Plan
Curated OER

It Counts

For Teachers K - 2nd
Young scholars classify and compare plants using specific information, observations, and numbers. In this mathematical inquiry lesson, students use plant characteristics to describe, compare, and classify them. They attempt to develop a...
Lesson Plan
Curated OER

Classification and Attributes

For Teachers 6th - 8th
Students classify objects based on their attributes. They explain how archaeologists use classification to help answer research questions.
Lesson Plan
Curated OER

Geometric Shapes at the OK Corral

For Teachers K
Students explore regular geometric shapes. In this shapes instructional activity, students investigate geometric shapes in the world around them. Students differentiate between regular and irregular shapes.
Lesson Plan
Arizona State University

Mining Shapes

For Teachers K Standards
Youngsters recognize and identify shapes. They draw, and use modeling clay to make shapes. They also identify shapes in their environment and in the Navajo culture, then compare the shapes and sort them into groups. This is the...
Lesson Plan
Curated OER

Geometric Shapes

For Teachers 5th - 7th
Students identify polygons.  In this geometric shape instructional activity, students explore the characteristics of polygons.  They identify polygons, and classify triangles according to their sides and angles.  Students...
Assessment
Los Angeles County Office of Education

Assessment for the California Mathematics Standards Grade 2

For Students 2nd Standards
Test scholars mathematic skills with an assessment addressing addition, subtraction, multiplication, place value, measurement, geometric shapes, expanded notation; and their ability to compare numbers, write number...
Lesson Plan
Curated OER

Circles, Rectangles, Squares, Triangles

For Teachers K
Students identify, compare and classify the various shapes. In this shapes lesson, students listen to descriptions of shapes with words such as sides, angles, congruent, and parallel. Students then give the teacher examples of shapes...
Lesson Plan
Curated OER

Toe to Toe Geo

For Teachers 2nd - 6th
Students study triangles. In this triangle lesson plan, students compare and classify triangles while milling to music. Students will also trade triangles so they can match up with other similar triangles. Triangles are provided.
Lesson Plan
Curated OER

Patterns Here, There and Everywhere

For Teachers K - 2nd
Pattern recognition is a skill often used in mathematics. Learners count and sort manipulatives, organize the data into a graph and answer questions about the information displayed. They collect the objects to be used and create patterns...
Lesson Plan
Curated OER

I Can Build It.....Yes I Can!

For Teachers K
Kindergartners listen to a story read by their teacher, then use magnetic shape pieces to construct simple designes. They "build" their own house using pre-cut paper shapes. This age-appropriate lesson would be an excellent choice for...
Lesson Plan
Curated OER

Then and Now: Life in Early America, 1740 - 1840

For Teachers K - 2nd
Learners complete a unit of lessons that examine life in early America from 1740-1840. They compare items with similar objects we use today, explore various websites, create a paper doll, try and guess the function of various objects,...
Lesson Plan
Curated OER

Relations

For Teachers 2nd - 4th
Students identify, compare, and analyze shapes and numbers. In this analogies and comparison math lesson, students warm up by completing 4 worksheets to familiarize themselves with analogies. In small groups, students are challenged to...
Lesson Plan
Curated OER

Geoboard Area

For Teachers 3rd - 6th
Students explore the basic geometric shapes and geometric shape vocabulary through the use of geoboards and virtual geoboards. They create a variety of shapes with a partner, build ten different rectangles on their geoboards, and...
Lesson Plan
August House

Stone Soup

For Teachers Pre-K - K Standards
Sharing and cooperation are difficult skills for kindergartners to grasp. Using the story Stone Soup and a series of activities, kids learn about the benefits of working together, categorizing and comparing items, and eating...
Lesson Plan
Illustrative Mathematics

Are These Right?

For Teachers 3rd - 5th Standards
Is that a right triangle or a wrong triangle? Young mathematicians look at eleven different shapes and use a measuring tool of their choice to determine which triangles have right angles. Consider cutting out sets of the shapes to...
Worksheet
Curated OER

Structure and Function of the Cell/Introduction to the Cell

For Students 7th - 12th
So, this is not technically a worksheet, but rather a chapter of reading material, pictures, and diagrams introducing young biologists to the cell. Cell theory, diversity, size, and shape are described. The internal organization and...
Lesson Plan
Curated OER

Connecting Formulas Related to Geometric Figures

For Teachers 8th - 12th
Students identify diagrams of quadrilaterals and circles by different names and classify the figures. They name the areas for each diagram and practice solving the formulas for each.
Lesson Plan
Curated OER

Classifying Polygons

For Teachers 7th
Seventh graders participate in a polygon hunt.  In this polygon lesson, 7th graders examine how polygons are alike and different.  Students create a Venn diagram and label the sorting circles.  Students work in cooperative...
Lesson Plan
Curated OER

Rocks and Minerals

For Teachers 5th
Fifth graders examine different types of rocks and classify rocks by their different characteristics. In small groups they sort their rocks into two categories, then create three categories to sort by on a sorting worksheet. Next, they...
Lesson Plan
Curated OER

Shape Up

For Teachers 6th - 8th
Students explore differents types of triangles and quadriaterals. In this polygon lesson, students  model identify and compare two and three dimensional geometric figures. Students create tangrams and discover the difference between...
Lesson Plan
Curated OER

Circles and Clocks, Shapes and Time

For Teachers 4th - 6th
Students work in groups to research clocks and practice telling time. In this telling time lesson, students use the computer program ProQuest to study circles, including radius and diameter, and practice drawing circles using a compass....