K20 LEARN
Family Ties: Exploring Families OF Functions
They say it runs in the family. Small groups use a card sorting activity to group graphs of functions into families. After grouping by families, the class develops conclusions for parent functions and create a graphic organizer.
EngageNY
Factoring Extended to the Complex Realm
A solution will work one way or another: find solutions, or use solutions to find the function. Learners use polynomial identities to factor polynomials with complex solutions. They then use solutions and the Zero Product Property to...
EngageNY
Obstacles Resolved—A Surprising Result
The greater the degree, the more solutions to find! Individuals find the real solutions from a graph and use the Fundamental Theorem of Algebra to find the remaining factors.
EngageNY
An Appearance of Complex Numbers 1
Complex solutions are not always simple to find. In the fourth lesson of the unit, the class extends their understanding of complex numbers in order to solve and check the solutions to a rational equation presented in the first lesson....
EngageNY
Proof of the Pythagorean Theorem
What does similarity have to do with the Pythagorean Theorem? The activity steps through the proof of the Pythagorean Theorem by using similar triangles. Next, the teacher leads a discussion of the proof and follows it by an animated...
Curated OER
Stretching the Quads
Explore parabolas in this algebra lesson with the graphing calculator. The class investigates what effects the changing of the parameters of the vertex form of a quadrati have to its graph. They find the zeros of a quadratic graphically...
Project Maths
Complex Number Operations
What do animated videos have to do with mathematics? Using operations of complex numbers and their representations on the complex plane, high schoolers observe how mathematics could be used to move animations. The instructional...
West Contra Costa Unified School District
Quadratic Equations — What We Know
Everything you could possibly want to know about quadratic equations, all in one resource. Instructors demonstrate how to translate between different forms of quadratics (equation, table of values, graph, verbal description) and finding...
Alabama Learning Exchange
Complex Numbers Solutions
Complex doesn't have to mean harder! Learners experiment with online software to determine the quadratic equations with complex solutions. They use the quadratic formula to solve equations with both real and complex solutions.
K20 LEARN
Cumbersome Cubes
Halving is not always so simple. Small groups build a cube and then determine how to construct a cube that is half the size. Groups create two cubes, one that is the correct size and another that would be an alternative solution. To...
Purdue University
Bio Inspired Design Paper Flowers
Can paper flowers have some of the same properties as real flowers? First, learners investigate how water is absorbed into a flower through capillary action by using real flowers, yarn, and paper. Then, they have an opportunity to create...
PBS
Latino Americans Share Their Experiences
Three Latino Americans are the focus of an interactive that spotlights their accomplishments. Scholars get to know Lin-Manuel Miranda, Judy Reyes, and José Hernández through short informative text and videos. Participants read, take...
Purdue University
Garden Surprise
View vegetables a little differently. A hands-on instructional activity begins by examining different vegetables and identifying the part of the plant they come from. Learners then create exploding seed balls they take home to grow their...
Minnesota Department of Natural Resoures
Parts of a Tree
Discover the parts of a tree and so much more with a packet of activities covering a range of subjects. First graders label practice pages, test their measuring and addition skills, explore books, dance, build 3-D trees, play games, give...
Curated OER
Absolute Values and Number Lines
Students solve equations using absolute values and roots. In this algebra lesson, students solve equations and write their solution on a number line. They solve for x as it relates to distance or absolute values. They order roots on a line.
Curated OER
Alphabet Letter a Or N Theme
Students draw a tree with acorns. They depict roots and an acorn in the soil to review plant growth and practice handwriting letter A or letter N in the writing lines. They cut an additional page for the mini-book to include the word...
Curated OER
Defense Mechanisms
Students examine the Cold War roots of the recent debate over the construction of United States and Russian missile defense shields. They begin by reading and discussing the article, Putin Says Russia Would Counter U.S. Shield.
Curated OER
How to Teach the Legacies of the 1960s
High schoolers consider which aspects of world around them have roots in 1960s, research and compare 1960s to today with regards to Civil and Women's Rights, Vietnam, counterculture, music, voting, and economic rights, and explore legacy...
Curated OER
Off the Record
Music reflects culture and culture is reflected in popular music. Reading an article on how hip-hop has affected the lives of two young men of different races launches an investigation of the development and influences of various musical...
Curated OER
Understanding How Potatoes Grow
Second graders make a KWL chart and brainstorm what they need for the project of growing potatoes. They choose one potato and plant it in water or peat moss cups and choose a location in which meets the needs of the plants and make their...
Curated OER
Understanding Presidential History
Students research to find the qualifications necessary to be President of the U.S. In this presidential qualification instructional activity, students research their family roots to see if they could qualify to be President. Students...
Curated OER
Using Multicultural Literature with Science
Fourth graders listen to The Great Ball Game and discuss the roots of the tale. In this multicultural tale students identify the realistic facts about the Abnenaki Indians. Students use the Internet to find out about the...
Curated OER
Linear and Quadratic Functions
In this algebra worksheet, 11th graders solve quadratic functions using the quadratic formula. They take the square roots of both side of each equation then graph both the linear and quadratic functions. There are a total of 84 problems...
Curated OER
William Shakespeare's 'A Midsummer Night's Dream': Conflict Resolution and Happy Endings
Students analyze the characters and conflicts in Shakespeare's 'A Midsummer Night's Dream. In this conflict resolution lesson, students read the play and track the character actions with the specific plots. Students then predict endings...
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