CK-12 Foundation
Cramer's Rule
Use matrices to solve systems of equations. The interactive introduces Cramer's Rule, using determinants of matrices to solve systems of equations. Color coding helps pupils place entries correctly from the system.
CK-12 Foundation
Solving a Matrix Equation: Mystery Matrix
Solve a matrix in code—color code. Pupils use the interactive resource to set up the matrix equation and its solution path. Scholars use the created solution path to determine the entries of the 2 X 2 solution.
CK-12 Foundation
Finding and Defining Parts of a Polynomial Function Graph
So many things to remember when graphing polynomials and this guide gives a helping hand to do so. The packet goes through examples and explains things like critical values, end behavior, and multiplicities. There are image links and...
CK-12 Foundation
Sums of Mixed Numbers: Split the Addition
Five questions challenge scholars to add mixed numbers. A tool creates a visual model that separates whole numbers from fractions parts. Problem types include fill in the blank, true or false, and discussion.
CK-12 Foundation
Add and Subtract Three Mixed Numbers: Walking to School
Mixed numbers are the focus of a five-question interactive. Scholars move fraction pieces into strips and equations to find solutions. Questions challenge participants with multiple-choice, a true or false, and one discussion.
CK-12 Foundation
Angle-Side-Angle Triangles: Caution Tape
Don't lose your marbles. Scholars use an interactive to create a triangle that closes off a portion of a sidewalk with loose marbles. The Law of Sines helps them find the side measures of such a triangle.
CK-12 Foundation
Half Angle Formulas: Half-Angle Formulas
Slide the resource into your lesson plans. Young mathematicians use a slider to move a movie screen to the right position for optimal viewing. Along the way, they learn to apply the half angle formulas.
CK-12 Foundation
Finding Exact Trigonometric Values Using Double Angle Identities: Trig Values Using Double and Half Angle Formulas
The more you know, the more you can learn. Scholars apply the double angle and half angle formulas to determine trig values based on known values. They use an interactive that provides sine and cosine values to aid calculations.
CK-12 Foundation
Fundamental Trigonometric Identities: Tangent Identity
An identity that thieves can't steal the tangent identity. Scholars manipulate ratios to investigate the tangent ratio and connect it to the sine and cosine ratios. An interactive that uses color coding helps with this task.
CK-12 Foundation
Identify Accurate Drawings of Triangles: Law of Cosines
Drawing triangles is easy, even if you have to calculate the exact length of its sides. Scholars use the Law of Cosines to find missing sides of triangles. An interactive helps them check their answers.
CK-12 Foundation
Tangent Graphs: Slope and Angle
Learning about tangents doesn't have to be a slippery slope. Pupils drag a point around a unit circle to see how angle affects the slope of a line. They individually answer a set of challenge questions to come to the conclusion that...
CK-12 Foundation
Simplification of Radical Expressions: Richter Scale Exponents
Shake up your lessons with with a radical resource. Scholars use a slider to view the Richter scale magnitude and amplitude of historical earthquakes. They use powers of 10 to compare the amplitudes of different earthquakes.
CK-12 Foundation
Multiplication and Division of Radicals: Totally Radical Dude's Height
Watch as your learners reach even loftier heights of understanding. Individuals use a slider to estimate the height of a person whose height is given in radical form. Rationalizing the denominator comes in handy here.
CK-12 Foundation
Evaluation of Square Roots
Think outside the box and use an engaging, interactive app that shows the relationship between square roots and squares using an actual square. Pupils find that moving a slider increases the side length of a square and its associated area.
CK-12 Foundation
Ck 12 Exploration Series: Simulations: Physics: Archery
[Free Registration/Login Required] Watch this animation as an archer shoots at a target on an angle, and its horizontal and vertical paths and its velocity are explained. An interactive follows where you can manipulate the archer's...
CK-12 Foundation
Ck 12 Exploration Series: Simulations: Physics: Irwin 2 D
[Free Registration/Login Required] Learn about the trajectories in two dimensions through simulation and examples. Some of the concepts identified are motion and velocity.
CK-12 Foundation
Ck 12 Exploration Series: Simulations: Physics: Doppler Ducks
[Free Registration/Login Required] Why do ducks make a 'V' shape in the water when they swim? Explore the doppler effect using this interactive simulation.
CK-12 Foundation
Ck 12 Exploration Series: Simulations: Physics: Prom Night
[Free Registration/Login Required] Understand the Law of Reflection by plane mirrors and the formation of virtual images. Use the simulation to play with variables for a variety of reflections. Further examples explaining how mirrors...
CK-12 Foundation
Ck 12 Exploration Series: Simulations: Physics: Bobsled
[Free Registration/Login Required] Learn about centripetal motion in the context of a bobsled on a track. Adjust variables to test how many ways the bobsled can stay on the track in a race with the simulation. Examine potential problems...
CK-12 Foundation
Ck 12 Exploration Series: Simulations: Physics: Newton's Cannon
[Free Registration/Login Required] Learn about orbits and how an object can stay in orbit under the influence of gravity. By adjusting launch velocities users will understand how to successfully put a virtual satellite into orbit without...
CK-12 Foundation
Ck 12 Exploration Series: Simulations: Physics: Violin
[Free Registration/Login Required] Learn about wave harmonics on a string by looking closely at the sound produced by a violin. Test string tension with harmonic number on violin strings in a simulated practice. Understand sound waves...
CK-12 Foundation
Ck 12 Exploration Series: Simulations: Physics: At the Crossroads
[Free Registration/Login Required] Learn about making conversions between different types of units by negotiating with a trader at the crossroads. Practice exchanges with different measurement and currency systems in a simulation....
CK-12 Foundation
Ck 12 Exploration Series: Simulations: Physics: Portrait Gallery
[Free Registration/Login Required] Learn about adding force vectors in two dimensions using the example of a painting hanging from two strings. Experiment with variables of weight and angles to hang a portrait in this physics simulation....
CK-12 Foundation
Ck 12 Exploration Series: Simulations: Physics: Driverless Car
[Free Registration/Login Required] Learn about adding two vectors together by components in the context of a GPS-style city map. Adjust magnitude and angles in the two vectors to simulate the driverless car. Examples taking this concept...