Interactive
CK-12 Foundation

Addition of Polynomials: Splitting into Tiles

For Students 8th - 10th Standards
Count on tiles to add polynomials. Pupils drag virtual algebra tiles onto colored mats to represent the sum of two polynomials. The learners count the number of like tiles to find the coefficient of each term. They finish...
Interactive
CK-12 Foundation

Theoretical and Experimental Probability: Pizza Night!

For Students 6th - 8th
Take a bite out of an enticing resource. Scholars use an interactive to study dependent events. They see how the number of favorable outcomes and total number of outcomes changes as individuals "eat" pieces of pizza.
Interactive
CK-12 Foundation

Counting Techniques: Permutations and Combinations

For Students 11th - 12th
Comparing and contrasting is an important skill, even in mathematics. A drag-and-drop interactive has users classify situations as suitable for permutations or combinations. A set of challenge questions tests whether they know the...
Interactive
CK-12 Foundation

Distance Between Two Points: Segment Addition

For Students 9th - 12th Standards
Examine the segment addition postulate through an online simulation activity. An interactive lesson allows scholars to manipulate points and watch as the lengths of segments change. Through their study, they are able to apply the Segment...
Interactive
CK-12 Foundation

Midpoint and Segment Bisectors: Finding Treasure with Geometry

For Students 7th - 9th Standards
Send your class on the hunt for a buried treasure and apply geometry skills along the way. An engaging lesson uses direction and midpoint locations to find the location of a treasure. Videos provide background information to complete the...
Interactive
CK-12 Foundation

Ordered Pairs in Four Quadrants

For Students 6th - 8th Standards
One quadrant just isn't enough. Pupils learn to plot points in the four quadrants of a coordinate plane using an interactive. A set of challenge questions tests their understanding of the skill.
Interactive
CK-12 Foundation

Supplementary and Complementary Angle Pairs

For Students 7th - 10th Standards
Complement and supplement your knowledge of angles. Young mathematicians study supplementary and complementary angle pairs using an interactive. A set of challenge questions solidifies this understanding.
Interactive
CK-12 Foundation

Even and Odd Functions and Function Symmetry: Even and Odd Functions

For Students 10th - 12th Standards
Even, odd, or neither? Pupils study even and odd functions using a well-balanced interactive. They determine whether a given function is even or odd from its graph.
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...
Interactive
CK-12 Foundation

Prime and Composite Numbers

For Students 4th - 8th Standards
Nine true or false, multiple-choice, and discussion questions make up an interactive designed to reinforce scholars' knowledge of prime and composite numbers. A number chart reveals every prime number through 100. 
Interactive
CK-12 Foundation

Sums of Integers with Different Signs: Adding Between 10 and -10

For Students 6th - 8th Standards
Six questions make up an interactive designed to boost scholars' knowledge of integers. Mathematicians move symbols over a horizontal number line to aid in findings answers between 10 and negative 10. Question types include...
Interactive
CK-12 Foundation

Values Written as Powers: Binary Numbers 25 to 31

For Students 6th - 8th Standards
A five-question interactive boosts proficiency in working with binary numbers. Multiple-choice, short answer, and discussion questions challenge mathematicians to write numbers 25 through 31in exponential and binary form. An adjustable...
Interactive
CK-12 Foundation

Prime Factorization: Chocolate Chip Factoring

For Students 6th Standards
An interactive resource challenges mathematicians to show what they know about prime factorization. Five multiple-choice, true or false, and discussion questions use chocolate chip cookies to set a real-world application of the...
Interactive
CK-12 Foundation

Fraction Comparison with Lowest Common Denominators: Oranges and Blood Oranges

For Students 6th Standards
Comparing fractions is the focus of a five-question interactive in which mathematicians use oranges to answer real-world multiple-choice, true or false, and discussion questions. 
Interactive
CK-12 Foundation

Whole Number Multiplication: Parity of Zero

For Students 3rd - 6th Standards
An interactive provides five questions that challenge scholars to decide whether integers are even or odd parity. A table assists problem solving with movable numbers that plug into equations and reveal the given parity. Question types...
Interactive
CK-12 Foundation

Add and Subtract Decimal Numbers: Losing Little Bits

For Students 4th - 6th Standards
An interactive offers five questions that challenge scholars to subtract decimals. A diagram featuring a tree and birdhouse with moveable parts is designed to assist mathematicians in finding solutions. Types of questions include...
Interactive
CK-12 Foundation

Absolute Values of Integers

For Students 5th - 7th Standards
A five-question interactive focuses on integers and absolute value. A number line shows the distance to aide mathematicians in answering multiple-choice, true or false, and discussion questions.
Interactive
CK-12 Foundation

Decimals as Mixed Numbers

For Students 6th - 8th Standards
Five questions—multiple-choice, true or false, and a discussion—make up an interactive that focuses on decimals as mixed numbers. Moveable blocks assist scholars in finding solutions. 
Interactive
CK-12 Foundation

Scientific Notation Values

For Students 6th - 8th Standards
Scientific notation is the focus of a five-question interactive. A model with movable points offers a visual reference to help solve true or false, multiple-choice, and fill in the blank questions. A discussion question challenges...
Interactive
CK-12 Foundation

Decimals as Mixed Numbers

For Students 6th - 8th Standards
A five-question interactive boosts scholars' knowledge of decimals and mixed numbers. Moveable base 10 blocks assist mathematicians in answering a series of multiple-choice and true or false questions. A discussion concludes the...
Interactive
CK-12 Foundation

Fractions as Percents: Baking Cookies

For Students 6th - 8th Standards
A five-question interactive challenges mathematicians to solve word problems involving fractions as percents. Baking two different types of cookies and needing the exact amount requires scholars to make fractions, turn them into...
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...
Interactive
CK-12 Foundation

Values Written as Powers: Binary Numbers 1 to 8

For Students 6th - 8th Standards
A six-question interactive tasks scholars with adding binary numbers one through eight. A tool acts as a visual aid to showcase the patterns made when working with base—2, digits zero and one. Question types include fill in the blank,...
Interactive
CK-12 Foundation

Values Written as Powers: Binary Numbers 9 to 16

For Students 6th - 8th Standards
Challenge mathematicians to crack the binary code with an interactive that focuses on numbers nine to 16. A table reveals exponential equations to aid in answering multiple-choice questions. A discussion question gauges comprehension. 

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