+
Interactive
CK-12 Foundation

Evaluation of Square Roots

For Students 8th - 10th Standards
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.
+
Interactive
CK-12 Foundation

Multiplication and Division of Radicals: Totally Radical Dude's Height

For Students 8th - 10th
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.
+
Interactive
CK-12 Foundation

Simplification of Radical Expressions: Richter Scale Exponents

For Students 8th - 11th
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.
+
Interactive
CK-12 Foundation

Tangent Graphs: Slope and Angle

For Students 10th - 12th Standards
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...
+
Interactive
CK-12 Foundation

Identify Accurate Drawings of Triangles: Law of Cosines

For Students 10th - 12th Standards
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.
+
Interactive
CK-12 Foundation

Fundamental Trigonometric Identities: Tangent Identity

For Students 10th - 12th
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.
+
Interactive
CK-12 Foundation

Finding Exact Trigonometric Values Using Double Angle Identities: Trig Values Using Double and Half Angle Formulas

For Students 10th - 12th
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.
+
Interactive
CK-12 Foundation

Half Angle Formulas: Half-Angle Formulas

For Students 10th - 12th
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.
+
Interactive
CK-12 Foundation

Angle-Side-Angle Triangles: Caution Tape

For Students 10th - 12th Standards
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.
+
Lesson Plan
1
1
Channel Islands Film

Lone Woman of San Nicolas Island: Lesson Plan 1

For Teachers 4th Standards
As a practice writing test, fourth graders use the West of the West's documentary Lone Woman of San Nicolas Island and two print resources as source materials for an informative article that identifies information that is historically...
+
Activity
American Psychological Association

Activities from the Society for the History of Psychology Website

For Teachers 9th - 12th
The Society for the History of Psychology provides a list of teaching activities designed to acquaint learners with the various fields of psychology and introduce them to prominent psychologists. Details for several of the activities are...
+
Lesson Plan
Curated OER

Rudyard Kipling's "Rikki-Tikki-Tavi": Mixing Fact and Fiction

For Students 3rd - 9th Standards
"Rikki-Tikki-Tavi," from The Jungle Book, offers young readers a chance to examine how Rudyard Kipling uses setting and personification to bring to life the brave mongoose who battles cobras to protect his family. Class members explore...

Other popular searches