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CK-12 Foundation

Mean: Arithmetic Mean

For Students 6th - 9th Standards
How is a mean affected by changes in data? A well-designed animation allows individuals to manipulate data and watch the effect on the mean. Challenge questions help guide users to conclusions about outliers and skew within data.
Lesson Plan
Curated OER

Geometry of Exploration: Eyes Over Mars

For Teachers 4th - 8th
Students research how engineers and scientists generate linear and angular measurements with geometry to survey the Earth and Mars. They assess how geometric shapes affect navigation. A surveyor comes to the classroom and explains how he...
Lesson Plan
Curated OER

Mandala Geometry

For Teachers 4th - 6th
Students compare and contrast symbols and images in traditional Buddist and Hindu mandalas and choose several symbols that have meaning to them. They assess the spiritual beliefs and representations in traditional creation of this art...
Lesson Plan
PBS

Surface Area and Volume

For Teachers 5th - 8th Standards
You and your class will like this lesson on using visual models to relate the volume and surface area of solid shapes. Learners construct three-dimensional forms using nets. They calculate the surface area and volume for each and then...
Lesson Plan
Curated OER

Geometry in A Box

For Teachers 1st - 12th
Young scholars identify 3-dimensional geometric shapes and list the characteristics of each. Using modeling clay, they create their own models of specified geometric shapes. Students create and design a box to store their geometric models.
Lesson Plan
Curated OER

Fill 'Er Up

For Teachers 6th - 8th
Students identify how many smaller units can be found in a later unit. In this geometry lesson, students calculate the volume and the transfer amount to a smaller unit. They solve real life problems using the formula for volume.
Lesson Plan
Curated OER

Varieties of Quadrilaterals

For Teachers 4th - 7th
Learners classify quadrilaterals, In this quadrilaterals lesson, students watch a video about parallelograms, discuss the different types of quadrilaterals, and complete a worksheet classifying quadrilaterals.
Lesson Plan
Curated OER

Run for the Cup!

For Teachers 1st - 6th
Students gather information about the Melbourne Cup horse race in Australia. Then they study the geometry and physics behind the design of a racetrack. Students also work in small groups to problem solve and design their own board games...
Interactive
CK-12 Foundation

One-Step Equations and Inverse Operations: Additive Inverse

For Students 6th - 8th Standards
Reinforce properties while solving equations. Learners often ignore properties even as they try to apply them. A well-designed lesson emphasizes the role of additive inverses when solving equations.
Interactive
CK-12 Foundation

Inequalities that Describe Patterns: Freezing Cold Comparison

For Students 6th Standards
Don't freeze out the interactive on inequalities from your lesson plans. Young mathematicians use an interactive thermometer and number line to compare freezing temperatures. Inequalities help express these comparisons.
Interactive
CK-12 Foundation

Identify Line Types: Intersecting and Parallel Lines

For Students 6th Standards
Navigate your way through a lesson on types of lines. Individuals drag line segments to illustrate paths between pairs of houses on an interactive map. They determine if these line segment pairs are intersecting or parallel.
Interactive
CK-12 Foundation

Line Plots from Frequency Tables: Sleep Cycles

For Students 6th - 9th Standards
Demonstrate the ease of using a frequency table. An interactive lesson allows learners to create a frequency table efficiently. Challenge questions ask your classes to analyze the data represented in the frequency table. 
Interactive
CK-12 Foundation

Proportions and Scale: Problem Solving Plan, Proportions

For Students 6th - 8th Standards
Slide into a lesson on proportions. A slider interactive lets users adjust three of the four values in a proportion and automatically updates the fourth value. Scholars use the interactive to help answer a set of challenge questions on...
Lesson Planet Article
Curated OER

Help Young Mathematicians Write Their Way to Math Success

For Teachers 6th - 9th
Clear and concise writing should be an integral part of learning mathematics.
Lesson Plan
Exploratorium

Building Three-Dimensional Structures

For Teachers 6th - 8th
Are you looking for a good 3-D geometry lesson that includes hands-on activities for your middle schoolers? Look no further than this one! Pupils use centimeter grid paper embedded in the plan, along with detailed construction...
Lesson Plan
Curated OER

Geometry Review Quiz

For Teachers 6th - 8th
Students conduct a review that is done right before having a geometry quiz. They cover major topics that are part of the assessment. They use review cards as notes to pass to one another to reinforce the concepts before putting them away...
Lesson Plan
Curated OER

Bridges to Math Comprehension Extension Worksheet

For Teachers 5th - 6th
For this math comprehension and web research worksheet about bridges, young scholars describe what they see when visiting a designated website. They access the math section of the Geometry Connections website before describing what they...
Lesson Plan
Curated OER

Painted Cube Lesson

For Teachers 6th - 8th
Students differentiate between cubes and unit cubes. In this geometry lesson, students create linking cubes and use it as a manipulative to answer questions. They define the faces, edges and sides of the cubes as it relates to unit cubes.
Lesson Plan
Curated OER

Math on the Mound

For Teachers 6th - 12th
Students explore mathematical applications of the current intra-city World Series. After learning how one school district is incorporating the World Series in its classrooms, students consider possible applications of the Series in their...
Lesson Plan
Curated OER

Algebra/Geometry Institute: Area of Polygons

For Teachers 6th - 8th
Students find the area of polygons.  In this area of polygons lesson, students find the area of parallelograms, rectangles, squares, and other polygons.  They identify each given figure and determine the appropriate formula...
Lesson Planet Article
Curated OER

Using Optical Illusion Brain Teasers Add a Twist to Math and Science

For Teachers 6th - 8th
Optical illusion activities can provide a motivating way for students to explore math and science concepts.
Lesson Planet Article
Curated OER

Winter Art Lesson Plans And Adventures

For Teachers 3rd - 6th
See the season as an opportunity for unique creative experiences with winter art lesson plans!
Lesson Plan
Curated OER

Geometry Institute Lesson

For Teachers 6th - 8th
Students practice geometry skills. In this geometry lesson, students find the surface area of cubes and prisms, identify shapes on solids, and distinguish between 2-dimensional objects and solids.
Lesson Plan
University of Nottingham

Drawing to Scale: A Garden

For Students 6th - 9th Standards
See how design and geometry go hand in hand. The activity asks learners to use geometry to design a backyard garden given dimensions of each feature. Scholars work with ratios and scale to develop an accurate scale drawing that includes...

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