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Lesson Plan
Curated OER

Algebra: What's My Rule?

For Teachers 1st - 5th
Pupils apply higher level thinking skills to determine rules for sorting and classification. In this pre-algebra lesson, students nominate classmates who they think satisfy the unspoken "rule" established by the leader. As pupils are...
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Lesson Plan
Curated OER

Shapes

For Teachers Pre-K - K
Students sort objects by shape, size and color. In this math and literacy sorting lesson, students listen to the book Freddy the Fish and the Squash that Goes Squish by Duke Christoffersen. Students work in small groups to sort vegetable...
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Lesson Plan
Curated OER

Classifying Objects

For Teachers 4th
Fourth graders work in small groups to sort and classify a variety of objects. They develop criteria for sorting and explain the characteristics they chose for classification. Groups record and share their classifications.
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Lesson Plan
Curated OER

Sorting Objects

For Teachers Pre-K
Students sort objects by color. In this classification lesson plan, students identify the color of the objects and categorize them according to color.
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Lesson Plan
Curated OER

Algebra Applies to the Real World? No Way!

For Teachers 6th
Sixth graders examine the connections between math and real life. For this algebra lesson, 6th graders use Algepairs Cards to complete the problems presented and discuss how algebra relates the real world.
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Lesson Plan
Curated OER

R & R - Incorporating Literature While Teaching Math - Ordered Pairs - "The Polar Express"

For Teachers 3rd
Third graders create pictures using ordered pairs after listening to a piece of literature. In this ordered pairs and literature lesson plan, student listen to and discuss The Polar Express by Chris Van Allsburg. They participate in...
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Lesson Plan
Curated OER

Exploring Characteristics of Triangles

For Teachers 9th - 11th
Young scholars draw triangles and explore the classification of each using the measures of interior angles and lengths of sides. They investigate the sum of the interior angles of various triangles and conjecture and prove the theorem:...
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Lesson Plan
Habits of Mind

Haileybury Habits of Mind Learning Resource Book

For Teachers K - 12th
Imagine a learning community committed to using Costa and Kallick's Habits of Mind as the basis of curriculum design. The resource book is packed with lessons that are designed for and identify the standards and habits of mind targeted...
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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...
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Lesson Plan
Curated OER

Acute Triangles

For Teachers 4th - 8th
Learners study acute triangles. They measure angles using a protractor, then classify the triangles as either right, obtuse, or acute. Everyone creates a design for a Navajo rug using only acute triangles.
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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

The Button Box

For Teachers K - 1st
Students classify buttons. In this classification activity, 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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Lesson Plan
Curated OER

Fractions Continued

For Teachers 4th - 5th
Young scholars investigate the concept of using fractions to solve problems involving rational numbers. They order real numbers on the number line with the classification of fractions. Also students solve problems using the four...
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Lesson Plan
Curated OER

Math Mission

For Teachers 2nd
Second graders investigate the concept of Puerto Rican animals through using math word problems. They create a story to correlate with the word problems. The lesson also uses data of species counts to show increases and decreases for...
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Lesson Plan
Illustrative Mathematics

Lines of Symmetry for Quadrilaterals

For Teachers 3rd - 5th Standards
Explore how lines of symmetry help define different categories of quadrilaterals. Looking at a square, rectangle, trapezoid, and parallelogram, young mathematicians discover that each shape has its own, unique symmetry. Encourage your...
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Lesson Plan
Curated OER

Picking Pythagoras

For Teachers 6th - 9th
Students discover that side measurement is used in determining angle classification of a triangle. By squaring sides, they predict whether triangles be right, obtuse, or acute. They prove the Pythagorean Theorem and use it to solve...
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Lesson Plan
Curated OER

The Truth About Triangles And Proofs

For Teachers 9th - 12th
Students engage in a lesson plan that is about the classification of triangles and the mathematical proofs involved in working with them. They work on a variety of problems that are created by the teacher with the focus upon the...
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Worksheet
Curated OER

Cosmic Bar Graphs

For Students 8th - 10th
In this cosmic bar graph activity, students solve 2 problems using given bar graphs that plot the number of galaxies vs. the galaxy type and the number of gamma-ray bursts vs. the burst classification. Students find the fraction of...
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Lesson Plan
Curated OER

Geometry Fun

For Teachers 3rd - 5th
Students learn the basic definitions of a quadrilateral, parallelogram, rectangle and square and explain the relationship/classification process between them.
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Lesson Plan
Curated OER

Quadrilaterals: Four-sided Figures

For Teachers 5th
Fifth graders engage in a variety of hands-on and technology-rich activities involving the classification of quadrilaterals. They utilize protractors and rulers to investigate the characteristics of various types of quadrilaterals. They...
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Lesson Plan
Curated OER

Which Quadrilateral Is It?

For Teachers 9th - 12th
High schoolers prove conjectures about geometric figures on the plane or in space using coordinate geometry. They develop fluency in operations with real numbers, vectors and matrices using mental computation or paper-and-pencil...

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