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Instructional Video16:02
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Flipped Math

Unit 9 Review: Area of Polygons

For Students 9th - 12th Standards
It's time to show what you know! Individuals first review finding the area of polygons using the formulas from parallelograms to regular polygons. They then brush up on finding the area and circumference of circles, as well as reviewing...
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App
iMagine Machine

The Land of Venn - Geometric Defense

For Students 2nd - 5th Standards
Young mathematicians use their geometry skills to save the Land of Venn in an engaging math game. A fun way to reinforce children's understanding of basic geometric figures and shapes.
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Printables
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Kids Can Have Fun

Cut and Paste Shapes

For Teachers Pre-K - 2nd Standards
Engage youngsters in exploring the wonderful world of shapes with this series of cut-and-paste activities. Offering a variety of materials from printable pattern blocks to a series of matching exercises, this resource will have your...
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Assessment
Los Angeles County Office of Education

Assessment For The California Mathematics Standards Grade 4

For Students 4th Standards
Have scholars show what they know with a 20-page assessment aligned to the California State Standards. The test covers concepts such as large and whole numbers, all four mathematical operations, fractions, decimals, geometric figures,...
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Unit Plan
MENSA Education & Research Foundation

Shapes - Kindergarten

For Teachers K - 2nd Standards
Extend scholars' learning experience with a unit consisting of five shape lesson plans, an extension activity, assessment, and rubric. Begin by reading a story about shapes, then conduct an overview and assign pupils' their first...
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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. 
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Lesson Plan
Virginia Department of Education

Properties of Quadrilaterals

For Teachers 9th - 11th Standards
What type of quadrilateral is that? Discover the difference between the types of quadrilaterals. Small groups investigate types of quadrilaterals using geometry software to find their properties. To keep track of the different...
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Unit Plan
Mathematics Vision Project

Transformations and Symmetry

For Teachers 9th - 10th Standards
Flip, turn, and slide about the coordinate plane. Pupils define the rigid motions and experiment with them before determining the relationships of the slopes of parallel and perpendicular lines. The sixth unit in a nine-part series...
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Interactive
CK-12 Foundation

Graphs of Systems of Linear Inequalities in Two Variables: President Jefferson's Octagonal Home

For Students 9th - 12th
Mathematically complete a set of blueprints. Using eight linear inequalities, pupils create a blueprint of Thomas Jefferson's home. Individuals graph the linear inequalities and position the solution of the inequalities before...
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Unit Plan
PBS

Accessible Shapes

For Teachers 6th - 8th Standards
All the 2-D and 3-D measurement work you need is in one location. Divided into three sections, the geometry lesson plans consist of visualization of three dimensions, classifying geometric figures, and finding surface area and volume....
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Unit Plan
Radford University

Quadrilaterals

For Students 9th - 12th Standards
Connect the quadrilaterals. Working in teams, pupils use a variety of tasks to make connections between special quadrilaterals. With the properties well defined, the groups construct quadrilaterals based on those properties. Learners...
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Performance
Radford University

Properties of Different Quadrilaterals

For Teachers 9th - 12th
Properly apply the properties of parallelograms. Pupils answer a set of questions designed to review the categories of quadrilaterals. They then identify the shape in each set of quadrilaterals that does not belong and explain why.
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Worksheet
Curated OER

Quadrilateral

For Students 10th
In this quadrilaterals worksheet, 10th graders identify 10 different figures as they relate to quadrilaterals. They identify and/or make each quadrilateral illustrated on the sheet, including a trapezoid and a parallelogram.
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Worksheet
Curated OER

Geometry Puzzle

For Students 2nd - 3rd
In this geometry puzzle worksheet, students identify and complete a puzzle that includes 7 different geometrical shapes. They identify and name each shape listed at the bottom. Then, students label every shape in the puzzle with the...
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Worksheet
Curated OER

The Kate and Jackson Problem

For Students 11th
In this probability worksheet, 11th graders are given a set of letters and asked to spell KATE and JACKSON using a special pattern that's in the shape of a rhombus. There is an answer key with this problem.
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Worksheet
Curated OER

The Different Shape

For Students Pre-K - K
In this geometry worksheet, students identify and color the shape that is different in each row. There are ten different shapes shown on the sheet.
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Worksheet
Curated OER

Trace the Different Shape

For Students Pre-K - K
In this geometry worksheet, students trace the shape that is different in each row. There are a number of different shapes to identify on the sheet and then, color each one.
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Lesson Plan
Curated OER

Pattern Blocks

For Teachers 1st
First graders examine a bag full of standard pattern blocks in the following shapes: triangle, hexagon, small rhombus, large rhombus (parallelogram), square, and trapezoid. They discuss the similarities and differences among them, count...
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Worksheet
Curated OER

Squares and Rhombi

For Students 10th
In this squares and rhombi activity, 10th graders solve 12 various types of problems that relate to the measurement of a rhombus shown and squares shown. First, they use the square ABCD and the given information to find the value for...
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Lesson Plan
Curated OER

Figure It Out - Polygons

For Teachers 6th
Sixth graders explore different polygons. In this polygon lesson plan, 6th graders examine a rhombus, quadrilateral, parallelogram, and rectangles. Students compare and contrast polygons and research shapes on the Internet.
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Lesson Plan
Curated OER

Geometry: Classifying Quadrilaterals

For Teachers 6th - 12th
Learners use construction technology to identify and find relationships between the attributes of various quadrilaterals. They make and test conjectures about the distinguishing properties of parallelograms, rectangles, rhombuses,...
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Worksheet
Curated OER

Introducing Polygons

For Students 3rd - 5th
In this polygons worksheet, students name the 6 different colored shapes, choose any 3 polygons to draw and color on a grid, while adding a right angled triangle and a rhombus.
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Worksheet
Curated OER

Quadrilaterals and Angle Sums: Reteach

For Students 5th - 6th
In this quadrilateral and angle sum worksheet, students review the five types of quadrilaterals. Students then find each missing angle measure and classify the figures as quadrilateral, parallelogram, rectangle, rhombus, square, or...
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Unit Plan
Curated OER

Zome System

For Teachers 4th - 6th
Get hundreds of interactive activity plans using the Zome Modeling System. Among dozens of lessons, a first exposure to similar triangles can be very visual for the learner. Here, young geometers explore the number of different shapes...

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