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Lesson Plan
Curated OER

Sampling Rocks

For Teachers K - 2nd
Students examine how to take a sample by looking at rocks in the schoolyard. In this sampling instructional activity, students discuss ways to classify rocks by color, size, and weight. They think about how many rocks would make a good...
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Lesson Plan
Curated OER

Identify, Sort, Classify

For Teachers K
Students identify, sort, and classify. In this kindergarten math lesson, students explore visual examples of sorting with 1 or more attributes. Students also practice solving problems that their instructors model.
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Lesson Plan
Curated OER

Roping Quadrilaterals

For Teachers 4th - 5th
Young scholars explore with quadrilaterals.  In this roping quadrilaterals lesson, students work in cooperative groups to play the game, "Question, please!" in order to identify, describe, compare and classify quadrilaterals.  Young...
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Lesson Plan
Curated OER

Circles, Rectangles, Squares, Triangles

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

Scalene Triangles

For Teachers 5th
Fifth graders identify and classify scalene, equilateral, and isosceles triangles. In this triangle activity, 5th graders define the different attributes of 3 types of triangles and sort them by descriptions and comparisons. Students...
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Lesson Plan
Curated OER

Classification And Identification

For Teachers 4th - 12th
Young scholars explore diagrammatic and taxonomic keys and their application in the marine sciences. They sort and classify objects and organisms based on visual attributes.
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Lesson Plan
Curated OER

Lesson Plan Two: Polygons

For Teachers 5th Standards
Learners explore the concept of polygons on a two-dimensional plane. They identify polygons in everyday life and draw different polygons according to their classification. Using a geoboard and geobands, they consrtuct polygons and even...
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Lesson Plan
Curated OER

Sorting and Classifying

For Teachers 5th
Fifth graders are engaged in sorting and classifying geometric shapes of various colors and sizes. They discuss the properties of these shapes and illustrate a range of classifications using Venn diagrams.
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Lesson Plan
Curated OER

Property Lists for Quadrilaterals

For Teachers 9th - 12th
Students establish classifications of shapes by various properties (angles, sides, etc.). They introduce the important properties of common shapes. Students develop an awareness of the wide variety of ways the 2-D shapes can be alike.
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Lesson Plan
Curated OER

Beautiful Bovine

For Teachers 2nd - 4th
Looking for a fun and interactive way to explore bovine biology? Learners read a brief informational text (included for printing) before participating in several cross-curricular activities. First, grab their attention with a hilarious...
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Worksheet
Curated OER

Slope & Rate of Change

For Students 8th - 11th Standards
This short handout addresses the concept of slope in two different ways: geometrically and analytically. Start with a brief description of slope, then use graphical representations to compare positive vs. negative slope and zero vs....
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Lesson Plan
Curated OER

Exploring Polygons and The Greedy Triangle

For Teachers 1st - 3rd
Excellent lesson plan! Anne Linehane's geometry story, The Greedy Triangle, offers an opportunity to practice forming various types of polygons with your learners. Using elastic bands (or Chinese jump ropes),...
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Worksheet
Savvas Learning

Colorful Triangles

For Students 4th - 5th Standards
Learners examine a figure made up of different types of triangles and then determine whether each triangle is right, acute, or obtuse. Next, they color each type of triangle a different color. Finally, pupils answer three fill in the...
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Lesson Planet Article
Curated OER

Going Beyond Basic Geometry Using Symmetry and Tesselations

For Teachers 3rd - 6th
Using Bloom's Taxonomy you can help advanced students go beyond basic geometry.
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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
Learners engage in a lesson 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 importance 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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Worksheet
Curated OER

Cosmic Bar Graphs

For Students 8th - 10th
In this cosmic bar graph worksheet, 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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Worksheet
Curated OER

Nine Quadrilateral Problems Involving Angle Measures and Classification

For Students 9th - 11th
In this quadrilaterals instructional activity, students calculate the measure of angles in five parallelograms, name a quadrilateral, and find values of given variables in three diagrams.  The solutions are provided.
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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

Data

For Teachers 8th - 9th
Learners collect data from an experiment they perform. In this data lesson, students use multiple representations to solve practical problems; describe advantages and disadvantages of the use of each representation. Then, they evaluate...
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Lesson Plan
Curated OER

Rule It Out

For Teachers 2nd - 5th
Here's a way to create math fact flash cards! Learners create their own cards and sort them into matching categories. Students start with addition and work their way up to harder math such as multiplication, and are asked to notice...
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Worksheet
Curated OER

Sorting Sets

For Students Pre-K - K
Here is a simple sorting activity which is appropriate for pre-k and kindergarten learners. Pupils sort each of four items into the correct group, then count the totals and write the numbers in the boxes provided. Along with being a good...

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