CK-12 Foundation
Square Roots and Irrational Numbers: Estimating Radicals
Try out a resource using triangles to estimate radicals. An interactive app allows learners to approximate some irrational numbers involving square roots. They find the two consecutive numbers that an irrational number lies between by...
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
Use Square Roots to Solve Quadratic Equations: Plus or Minus
Get two answers from a single equation. Pupils use the interactive to take the square root of nine and see the graphical representation of the two solutions. Individuals realize that solutions to quadratic equations that are solved by...
Curated OER
Root Structures
Plant roots are the focus here. Pupils discover that some plants actually store food in their roots, that roots provide water for plants, and that gravity and sunlight have an effect on plants. This terrific, six-page plan has two...
CK-12 Foundation
DeMoivre's Theorem and nth Roots: The nth Roots of Unity
The nth roots of unity all have a magnitude of one. Scholars use the unit circle and DeMoivre's Theorem to find the complex roots of one and discover that the complex numbers all lie on the unit circle and are equally spaced around it...
CK-12 Foundation
Tangent Line Approximation: Estimating Square Roots
Estimating a square root is as easy as evaluating a linear equation. Using the derivative of the square root function, pupils calculate an estimation of square roots. Class members determine the equation of the tangent line at the value...
CK-12 Foundation
Evaluation of Perfect Square Roots: Neighborhood Park
Walking in the park can be good for the body and for mathematics skills. Young scholars use an interactive app to investigate the relationship between squares and square roots using a square with adjustable length. The program also takes...
Curated OER
A Walk in the Tundra
Discuss the environment of the Arctic tundra using this resource. The focus of this lesson is the story A Walk in the Tundra by Rebecca L. Johnson. The appealing illustrations are bound to captivate your class! After reading the story,...
Curated OER
Identify Base Words and Suffixes to Read Multisyllabic Words #1
Show your scholars how adding an affix changes the entire meaning of a word; they focus on the suffix -able. You'll find a complete script here, but if you don't want to read this verbatim, use it simply as an outline. Learners watch you...
CK-12 Foundation
Newton's Method
Does the accuracy of the first guess make a difference down the line? Learners investigate the effects of the iterative process of finding roots, using Newton's Method. By moving the initial guess of a root on a graph, pupils observe the...
Curated OER
Oklahoma's Roots and Leafy Greens
Students explore valuable food sources. They examine vegetable that have roots and leafy greens that we eat. They also discuss the various used for the leafy greens of vegetable plants. Students create a carrot necklace using carrot slices.
CK-12 Foundation
Radical Equations: Geometric Visual of a Square Root
How can you draw a number? A set of questions takes learners through the reasoning for why a geometric construction can be drawn to represent the square root of a number. An interactive helps visualize the construction.
Curated OER
Clouds and What They Mean
An excellent resource on cloud types and descriptions could be a valuable addition to your science lesson. After kids learn the correct vocabulary to describe clouds, they complete several worksheets and thermometer activities before...
CK-12 Foundation
Newton's Method
Use an iterative process to find an approximation of a square root. Pupils use the interactive to find an approximation to find the positive root of a quadratic function with Newton's method. With the graphs, learners position the...
Curated OER
Roots Need Oxygen
Students investigate the growth of plants in soil with oxygen and soil without oxygen. They discuss what roots need to survive, and chart the growth of two plants to analyze the difference between plain soil and soil with two earthworms.
CK-12 Foundation
Discriminant
Discriminate between the types of roots. The interactive root introduces the discriminant and its connection to the types and number of roots. Pupils use a slider to view graphically the effect of the sign of the discriminant on a...
Curated OER
GARBAGE 1: THE ROOTS OF TRASH
Young scholars identify the various natural resources used to produce common items; to explain how people use science and technology to produce those items.
Pala Software
MathBoard
Do you want to practice arithmetic skills from simple addition facts, to cubes and square roots, to solving one-step equations? Here is a great app for practicing and learning everything from arithmetic practice using integers to solving...
University of Chicago
Addressing Stereotypes
How is a stereotype defined, and what are some mechanisms we can use to combat negative stereotyping? Your young historians will discuss how and why stereotyping occurs, as well as consider the roots of modern conceptions of the Middle...
CK-12 Foundation
Identification of Quadratic Models: UFO Launch
Build conceptual understanding of graphs of quadratic functions with an out-of-this-world resource. An interactive lesson allows learners to manipulate a graph that models the launch of a UFO. The lesson focuses on the key features of...
Brain Scape
SAT Vocab
Whether preparing for the SAT or just interested in increasing your vocabulary, here's an app that will provide succor to learners desirous of obviating the anxiety associated with the study of esoteric language.
Curated OER
The Organization and Function of Plants
In this plant worksheet, students investigate the structures and functions of plants. They also study seed germination through the use of a wall chart.
CK-12 Foundation
Lengths of Triangle Sides Using the Pythagorean Theorem: Find the Missing Side
What is the relationship between the sides of a right triangle? Learners use an interactive to create models of right triangles and view the relationship between the lengths of the sides. They finish by using the Pythagorean Theorem to...
University of Minnesota
Beautiful Brain: Strangest Dream
Do words change or add meaning or interest to a work of art? The final lesson in a four-part series on the beautiful brain as a work of art focuses on art analysis. Scholars write a story about exploring art from the inside. Reflections...