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Interactive
CK-12 Foundation

Division of Rational Expressions: Step by Step

For Students 9th - 12th Standards
Division just got a little trickier! An interactive lesson highlights the steps of dividing two rational expressions. Young scholars determine the order of the steps from a bank of possible work. 
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Interactive
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CK-12 Foundation

Seasonal Changes in Plants: Leaf Pigment

For Students 6th - 8th Standards
Leaves fall off the tree in the autumn, but why do they change colors? The interactive covers the role of chlorophyll and photosynthesis. It also explains both carotenoids and anthocyanins.
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Interactive
CK-12 Foundation

Scientific Models: Mathematical, Physical and Conceptual

For Students 6th - 12th
This is one super model interactive! Middle and high school science scholars examine scientific models through a simple resource. Guided, hands-on practice allows them to classify conceptual, mathematical, and physical models. Other...
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Interactive
CK-12 Foundation

Rocks and Processes of the Rock Cycle: One Rocks Turns to Another...

For Students 6th - 9th
Geology scholars test their rock identification skills in an interactive that examines the rock cycle from the three main nodes of rocks. Other topics include visual clues to rock identity and the conditions needed to make rocks change...
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Interactive
CK-12 Foundation

Earth's Magnetic Field: Compass Poles

For Students 6th - 9th
You'll be strangely drawn to this activity! Physical science pupils learn how compasses work in an interesting interactive. The content covers magnetic poles, Earth's magnetic field, and what would happen if Earth's poles swapped places.
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Interactive
CK-12 Foundation

Revolutions of Earth: Planet Cube

For Students 6th - 8th
Does assessing Earth Science vocabulary making your head spin? Test scholars' knowledge of revolving and rotating using an interactive tool. The movement of a new planet and its moon is in their hands, allowing them to explore and...
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Interactive
CK-12 Foundation

Distance Between Two Points: Biking the Blocks

For Students 9th - 12th Standards
Distance estimates would be easy if the world were a grid. Scholars work to determine the distance between two structures using a coordinate plane. As an introduction, the lesson focuses on vertical and horizontal distances.
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Interactive
CK-12 Foundation

Basic Geometric Definitions: Collinear Constellations

For Students 9th - 12th Standards
The stars are aligned for a great interactive resource. The interactive contains a graphic of Ursa Major. Given a movable ray, pupils check to see if the three stars that make the handle are collinear. They investigate the constellation...
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Interactive
CK-12 Foundation

Rational Numbers in Applications: Pizza with Friends

For Students 6th - 7th Standards
Explore the application of fractions in a real-life situation. Learners manipulate an interactive simulation to model a given scenario. They find fractions of fractions and explain the importance of the part-to-whole comparison.
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Interactive
CK-12 Foundation

Simplify Products or Quotients of Single Variable Expressions: Quotients of Single Variable Expressions

For Students 7th - 9th Standards
Investigate division within an algebraic term using an inquiry-based lesson. Individuals adjust sliders and watch as the simplification of the term changes. Questions help guide them to important conclusions.
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Interactive
CK-12 Foundation

Function Rules for Input-Output Tables: Soda Sugar Function Table

For Students 6th - 9th Standards
Examine the relationship between the input and output variables in a table of values. As learners build an input-output table using online manipulatives, they begin to identify patterns. They answer questions about these patterns and...
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Interactive
CK-12 Foundation

Input-Output Tables for Function Rules

For Students 6th - 9th Standards
Make the abstract a bit more concrete with an interactive that asks learners to slide an input value through a function to determine the output. Changing the slope and y-intercept allows them to see the how the output values change.
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Interactive
CK-12 Foundation

Parabolas: Invisible Graph

For Students 11th - Higher Ed Standards
Envision the function as the point swings. Given a point connected to another point and a line, pupils trace through an invisible graph. Learners identify the name of the given point and the line and determine the type of conic section...
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Interactive
CK-12 Foundation

Circles Not Centered at the Origin: Room Rearranging

For Students 11th - Higher Ed Standards
Where does a circular table fit best? Individuals move a circle representing a table into different quadrants of a room. Pupils determine which equation of the circle will place the table in the appropriate quadrant. A discussion...
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Lesson Plan
Science Matters

That’s An Otter Story

For Teachers 3rd - 5th
Young scientists discover how sea otters' habitats have changed due to human impact. Through conversation, video observation, and story reading, scholars identify how human interactions change a specific ecosystem in both positive and...
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Lesson Plan
Scholastic

Thomas Jefferson and Monticello: An Introduction to Writing Historical Fiction

For Teachers 3rd - 8th Standards
Thomas Jefferson is one of the most recognized names and faces in America—but is there more to the third president of the United States? Upper elementary and middle schoolers conduct research on Jefferson, his famous home at Monticello,...
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Lesson Plan
National Park Service

How Theodore Roosevelt Became a Leader: Childhood of an American President

For Teachers 7th - 12th Standards
The beginning of the 20th century began with a shock: the assassination of President McKinley. The man who would take his place—the youngest American to ever become president—led quite a life before stepping foot in the Oval Office. An...
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Lesson Plan
ReadWriteThink

Designing Museum Exhibits for The Grapes of Wrath: A Multigenre Project

For Students 9th - 12th Standards
Challenge readers of John Steinbeck's The Grapes of Wrath to create a museum exhibit that uses artifacts to focus on one issue raised by the award winning story of the Great Depression, the Dust Bowl, and the Joads.
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Interactive
CK-12 Foundation

Addition and Multiplication Properties with Real Numbers: The Secret of Subtraction

For Students 6th - 8th Standards
An interactive boosts mathematicians' knowledge of subtracting integers using a horizontal number line by way of multiple-choice, true or false, and discussion questions. 
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Interactive
CK-12 Foundation

Addition of Fractions

For Students 4th - 8th Standards
Five word-problems challenge mathematicians to add fractions. Interactive fraction circles assist scholars in problem-solving. Question types include multiple-choice, true or false, and a discussion.  
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Interactive
CK-12 Foundation

Expression Evaluation with Different Denominators: Adding Mixed Fractions of Water

For Students 6th - 8th Standards
An interactive challenges mathematicians to add mixed fractions with unlike denominators. Five questions—fill-in-the-blank and multiple-choice—build from one to the next leading the way to an open discussion about denominators and...
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Interactive
CK-12 Foundation

Area and Volume of Similar Solids: Similar Solids

For Students 6th - 12th Standards
Five questions make up an interactive designed to boosts knowledge of area and volume of solid figures. Question types include multiple-choice, true or false, and fill-in-the-blank. A scale model changes measurement to provide a visual...
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Interactive
CK-12 Foundation

Simple Interest

For Students 6th - 8th Standards
Mathematicians manipulate a mountain of money to solve six questions about simple interest. Question types include several multiple-choice and one discussion. 
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Interactive
CK-12 Foundation

Proportions to Find Percents: Bag of Candy

For Students 6th - 8th Standards
Proportions and percents are the focus of an interactive designed to boost math proficiency. Five questions challenge participants to solve candy-themed word problems. A color-coded tool with moveable parts assists mathematicians in the...