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Lesson Plan
Curated OER

Venn Diagram and Shape Sorting Lesson Plan

For Teachers 2nd - 4th
Students use Venn diagrams to represent classifications of shapes and to use counting arguments to find the number of objects in a given set.
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Organizer
Curated OER

Classifying Fruits and Vegetables

For Students K - 1st
In this classification worksheet, students cut out the 8 pictures of fruits and vegetables. Students then paste the pictures in the fruit box or vegetable box.
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Organizer
Curated OER

Classifying Toys

For Students K - 1st
In this classification worksheet, students cut out 47 small pictures of toys. They classify the pictures in groups of their choosing. They tell the reasons for grouping the items the way they did.
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Lesson Plan
Curated OER

Identifying and Classifying Solid Figures

For Teachers 4th - 6th
Students identify solid figures. For this classification lesson, students recognize and name solid figures. Students identify which figures contain polygons and rectangles. Students practice counting vertices, faces and edges.
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Lesson Plan
Curated OER

The Button Box

For Teachers K - 1st
Learners classify buttons. In this classification lesson, students listen to the book The Button Box  by Margarette S. Reid before observing, describing and classifying real buttons.
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Lesson Plan
Curated OER

Sorting Buttons

For Teachers K
Students study sorting. In this classification lesson, students sort buttons into groups based on a common characteristic and draw two pictures illustrating the different groups.
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Interactive
CK-12 Foundation

Polynomials and Factoring: Classification Table

For Students 9th - 12th
It all depends upon the terms. Pupils use the interactive table to sort polynomials. The scholars determine the names for the types of polynomials based on the number of terms.
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Interactive
CK-12 Foundation

Angle Classification: Angle Exploration

For Students 7th - 10th Standards
Acute or obtuse? Seems right to me! As scholars explore the simulation, they investigate angle measures. Questions ask them to classify the angles using correct naming conventions.
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Interactive
CK-12 Foundation

Polygon Classification

For Students 8th - 10th
Polly want a polygon? Young mathematicians sort shapes using an interactive. They classify the shapes as convex polygons, concave polygons, or not polygons.
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Lesson Plan
Curated OER

Triangle Classification

For Teachers 9th - 12th
Students classify different types of triangles. In this geometry lesson plan, students identify and use properties of triangles. They differentiate between isosceles and equilateral triangles.
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Lesson Plan
Curated OER

Classifying Lesson Plan

For Teachers 1st - 2nd
Students classify objects according to their similar characteristics.
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Lesson Plan
Curated OER

A Tale of Two Stories

For Teachers 2nd - 5th
Students develop their classification and math skills using the stories "The Three Little Pigs" (Galdone 1970) and "Cinderella" (Grimm and Grimm 1981). They compare the two stories using venn diagrams, simple maps, and problem solving.
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Lesson Plan
Curated OER

Nuts & Bolts: is Classification, Arbitrary, Or Not?

For Teachers 6th - 8th
Students, in groups, classify furniture, share their categories and rationales, then note how their different schemes vary, perfectly logical and useful, but completely arbitrary.
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Lesson Plan
Illustrative Mathematics

Lines of Symmetry for Triangles

For Teachers 3rd - 5th Standards
What can symmetry tell us about triangles? After looking at four examples, learners will come to realize that lines of symmetry are different for equilateral, isosceles, and scalene triangles. Use this guided practice activity as an...
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Printables
K-5 Math Teaching Resources

Triangle Pack

For Teachers 4th - 6th Standards
With so many different types of triangles, it can be a challenge for young mathematicians to keep them all straight. Luckily this set of printable triangles is here to engage children in comparing and sorting triangles by their...
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PPT
Curated OER

Classifying Triangles

For Teachers 5th - 7th
This presentation shows how triangles are classified by angle measurement and length of sides.  It reviews isosceles, scalene, obtuse, right, and acute classifications and includes questions for students to classify some of the triangles...
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Organizer
Curated OER

Quadrilaterals

For Students 5th - 6th
In this solving quadrilateral word problems worksheet, students draw figures to identify quadrilaterals, use angles to find the ones missing, and explain classification. Students solve six problems.
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Interactive1:45
Scholastic

Study Jams! Classify Triangles

For Students 5th - 8th Standards
Jam on with this multi-faceted activity teaching triangle classification. Start with a learner-paced lesson describing the different qualities of triangles and follow with a fun karaoke session. Also provided are two types of...
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Lesson Plan
Curated OER

Pattern People

For Teachers K - 2nd
Students describe a wide variety of classification schemes and patterns related to physical characteristics and sensory attributes of people. They recognize, extend and create a wide variety of those patterns and relations.
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Lesson Plan
Curated OER

Tangram Geometry

For Teachers 1st - 5th
Learners listen to a story involving Tangram pieces. Students use Tangram pieces to complete shapes using an outline of a design.
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Lesson Plan
Curated OER

Fractions

For Teachers 1st
First graders use Hershey chocolate bars to practice fractions.  In this fraction instructional activity, 1st graders review different fractions and figure out different ways to represent fractions with the pieces of the Chocolate bar....
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Lesson Plan
Curated OER

Coin Count & Classification

For Teachers K - Higher Ed
Students make a prediction about how 100 pennies sort by decade or year and then test their predictions. They organize their data using a graph that is imbedded in this lesson.
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Lesson Plan
Curated OER

Angle Exploration and Classification

For Teachers 4th - 7th
Students compare and contrast angles and identify them as acute, obtuse, right, or straight angles. They create rays and angles using uncooked spaghetti, read and discuss key vocabulary terms, and complete a variety of geometry worksheets.
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Lesson Plan
Curated OER

Right Triangles

For Teachers 4th - 8th
Learners classify triangles and make connections regarding angle measurements and attributes of acute, right, and obtuse triangles. They listen to teacher define and explain triangles. Everyone imagines a place where a broken wing for a...

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