Interactive
CK-12 Foundation

Seafloor: Sonar Boats

For Students 9th - 12th
An interactive that teaches about sonar sure sounds like fun! Junior oceanographers study the uses of sonar, past and present, in an engaging interactive. The content demonstrates how sonar works, why sound waves are a great tool...
Interactive
CK-12 Foundation

Modeling: Mathematical, Physical and Conceptual

For Students 6th - 12th Standards
Scientific models help explain ideas and concepts to non-experts. The online activity covers conceptual, mathematical, and physical models. Through four multiple-choice questions and three discussion questions, scholars gain a deeper...
Interactive
CK-12 Foundation

Integers that Represent Different Situations: Football Field

For Students 6th - 8th Standards
A football-themed interactive focuses on integers. Seven questions challenge scholars to show what they know by way of short answers, multiple-choice, and true or false. An open-ended question followed by a discussion concludes the...
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. 
Interactive
CK-12 Foundation

Integer Division: Dropping Anchor

For Students 3rd - 5th Standards
An interactive made up of five questions challenges mathematicians to divide integers and reflect on division properties. A moveable anchor aids in problem-solving. Question types include multiple-choice, true or false, and...
Interactive
CK-12 Foundation

Equivalent Fractions

For Students 3rd - 6th Standards
An interactive made up of five questions tests scholars' knowledge of equivalent fractions. Two fraction circles with moveable parts assist mathematicians in finding solutions. Questions are multiple-choice with one discussion. 
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.  
Interactive
CK-12 Foundation

Numbers with Decimal Place Value: Battleship Decimals

For Students 6th - 8th Standards
Decimal place value is the topic of a Battleship themed-interactive. Scholars answer five questions—multiple-choice and true or false—while referencing a grid that acts as the board game. The practice concludes with a discussion...
Interactive
CK-12 Foundation

Whole Number Exponents: Building Blocks

For Students 6th - 8th Standards
Five questions make up an interactive all about whole-number exponents. Movable building blocks create a visual tool to aide mathematicians in answering multiple-choice and true or false problems. The interactive ends with a discussion...
Interactive
CK-12 Foundation

Prices Involving Sales Tax: Proper Tipping

For Students 6th - 8th Standards
A five-question interactive challenges mathematicians to find a correct tip and total amount using percents five, 12, and 18. A tool with moveable pieces assists participants in locating answers. Types of questions include...
Interactive
CK-12 Foundation

Repeating Decimals: Does 1 equal 0.999... ?

For Students 6th - 8th Standards
Six questions make up a challenging interactive that tests scholars' knowledge of repeating decimals. Mathematicians answer true or false and multiple-choice questions with help from a tool that highlights decimal movement in an...
Interactive
CK-12 Foundation

Products of Two Fractions: Blocks

For Students 6th - 8th Standards
Five questions make up an interactive designed to boost the multiplication of fraction skills. An assortment of color-coded fraction blocks assists participants to find the right answer. Question types include multiple-choice and fill in...
Interactive
CK-12 Foundation

Sums of Fractions with Like Denominators: Cheesy Bread

For Students 6th - 8th Standards
Five questions make up an interactive all about adding fractions with like denominators. Mathematicians answer multiple-choice problems and an open-ended question using a fraction model that resembles sliced bread. The practice ends with...
Interactive
CK-12 Foundation

Prices Involving Discounts: Save Money with Coupons!

For Students 6th - 8th Standards
Nine questions make up an interactive that challenges scholars to identify new prices after discounts. Question types include fill in the blank and multiple choice. A fully-functional tool assists participants in solving word problems....
Interactive
CK-12 Foundation

Percents as Fractions: A Fraction of a Percent

For Students 6th - 8th Standards
Five questions make up an interactive all about percents and fractions. Mathematicians answer multiple-choice and fill in the blank problems with help from a tool that converts percents to fractions using a sliding bar. An open...
Interactive
CK-12 Foundation

Basic Visual Patterns: Train Cars

For Students K - 2nd
An interactive comprised of five questions challenges young scholars to complete a simple pattern. After examining a train with colored carts, learners arrange a green, blue, and yellow block into their corresponding space. Questions are...
Interactive
CK-12 Foundation

Mental Math to Multiply by Whole Number Powers of Ten: The Rule for Tens

For Students 6th - 8th Standards
Eight questions challenge scholars to use mental math while multiplying whole numbers by powers of 10. A tool with bouncing decimals demonstrates how and where the decimal moves. Question types include several multiple-choice, a...
Interactive
CK-12 Foundation

Mental Math to Divide by Whole Number Powers of Ten: Mental Math to Divide Decimal Powers of Ten

For Students 6th - 8th Standards
Boost mental-math skills with an interactive that focuses on dividing whole numbers by powers of 10. Mathematicians solve five fill-in-the-blank and multiple-choice questions with help from a moveable decimal point in four example...
Interactive
CK-12 Foundation

Conversion of Decimals, Fractions, and Percents

For Students 6th - 8th Standards
Five questions—true or false and multiple-choice—challenge mathematicians to convert decimals, fractions, and percents. An interactive table displays how to write a portion of shapes in a variety of ways. A discussion question concludes...
Interactive
CK-12 Foundation

Estimation to Check Decimal Multiplication: Watering a Garden

For Students 6th Standards
Mathematicians solve six multiple-choice and true or false questions using their knowledge of estimation and multiplying decimals. The interactive provides a garden-themed tool that creates a visual aid of three watering cans to assist...
Interactive
CK-12 Foundation

Values Written as Powers: Binary Numbers 17 to 24

For Students 6th - 8th Standards
Boost mathematicians' proficiency of binary numbers 17 to 24 with an interactive comprised of six questions—multiple-choice, true or false, and a discussion. A color-coded table reveals binary equivalents to aid in the problem-solving...
Lesson Plan
Curated OER

Crude Conversation

For Teachers 6th - 8th
Students analyze text and maps in determining the effect the world's energy resources have on human society, and make charts illustrating at least three ways each resource makes life easier for human society.
Lesson Plan
Curated OER

On the Cutting Edge

For Teachers 6th - 8th
Introduce the background of design and designers and their role in communicating their thoughts to others. In groups, you can assign participation in a writing cluster on various designers and write paragraphs to submit to magazines. To...
Activity
1
1
Shmoop

ELA.CCSS.ELA-Literacy.W.9-10.6

For Teachers 9th - 10th Standards
Make the move toward incorporating more technology in your classroom and help to prepare your class for the professional world. Here is a resource that describes the Common Core standard while incorporating technology and English...