Interactive
CK-12 Foundation

Addition of Integers: Polka Dots

For Students 7th Standards
What happens when you add negative and positive integers to one another? Do you add or subtract, and will the answer be positive or negative? Young mathematicians use blue and red polka dots to determine the value of an expression that...
Interactive
CK-12 Foundation

Distributive Property: Catching Fireflies

For Students 6th Standards
Model the distributive property with jars of fireflies! An interactive animation has learners manipulate the number of jars of fireflies to determine the number caught. Accompanying questions ask scholars to consider the multiplication...
Interactive
CK-12 Foundation

Ellipses Centered at the Origin: Lithotripsy

For Students 11th - Higher Ed Standards
Investigate ellipses through the lens of medical applications. Pupils use a medical scenario to determine the equation of an ellipse. By using the interactive, learners determine the foci and major and minor axes of the ellipse that...
Lesson Plan
Curated OER

Emailing Colonial Pen Pals

For Teachers 5th
Fifth graders write emails to a friend imagining they are traveling to colonial America.  In this emailing penpals instructional activity, 5th graders discuss appropriate language and topics in email communication, use correct...
Lesson Plan
Rustle Leaf

Tell Someone About Earth Day

For Teachers 3rd - 6th
Celebrate Earth Day by spreading the word of conservation. Teach children ten easy ways to help preserve the Earth and share this knowledge with others by sending e-cards and printable cards to loved ones. Extend learning about the...
Worksheet
Curated OER

Dividing the Estate

For Students 9th - 10th
In this division of assets in a will worksheet, learners determine how to divide up an estate. They attempt to determine what a lawyer would propose.
Lesson Plan
Curated OER

Author, Author

For Teachers 1st
First graders engage in this interesting lesson on letter writing and writing skills. In it, youngsters listen to the Jan Brett story, The Mitten, as a warm-up. They think of other animals of the world they could ask Jan Brett to...
Interactive
Wildlife Conservation Society

Build Your Wild Self

For Students K - 5th
Get wild with an interactive web site that challenges scholars to create their wildest self. Future wild things begin as an average person—eyes, mouth, clothes—then morph into animal attributes—horns, tails, wings—and end in the...
Interactive
CK-12 Foundation

Function Rules for Input-Output Tables: Tickets at an Arcade

For Students 6th - 9th Standards
This is the ticket to learning about function rules! Using online manipulatives, scholars build a table of values and then answer questions about the related function. They examine the relationship between the input and output values and...
Lesson Plan
Curated OER

Email, Part 2: Addresses

For Teachers 9th - Higher Ed
Students investigate the symbols utilized to form an email address. The instructional activity was originally written for librarians who have had little or no net experience.
Worksheet
Curated OER

How to Address an Envelope

For Students 2nd - 3rd
In this learning exercise, students will learn how to address an envelope according to the preferences of The United States Postal Service (U.S.P.S.). This learning exercise can be used as a study or teacher's guide.
Lesson Plan
Common Sense Media

Sending Email

For Teachers K - 2nd Standards
Youngsters are introduced to the idea of communicating through e-mail, and gain important foundational knowledge for how to interact safely online.
Lesson Plan
Common Sense Media

Show Respect Online

For Teachers 2nd - 3rd Standards
Through discussion and a variety of worksheet types, pupils learn to review their e-mails for grammar, appropriateness, and respect before sending.
Interactive
CK-12 Foundation

Limits of Polynomial and Rational Functions: Evaluating the Limits of the Quadratic Function

For Students 10th - Higher Ed
Push an engaging resource to the limit. The interactive allows learners to find a limit on quadratic functions graphically. Using sliders, pupils set the x-value for the limit and to move values from the left and right toward the limit.
Lesson Plan
Curated OER

A Visit to Mexico City: An Introduction to World Communities

For Teachers 3rd
Third graders complete a variety of activities as they take an imaginary trip to Mexico City, complete with passports, maps, and Spanish dictionaries. They write postcards to send home and create items to sell at the market. The unit...
Lesson Plan
Curated OER

ICT/Literacy

For Teachers 4th - 10th
Deepen understanding of email correspondence. Begin by tapping into prior experience with email and word processing. Learners then send emails to one another, practicing attaching images and copying and pasting their work into a word...
Activity
Computer Science Unplugged

Codes in a Song—Modems

For Teachers 2nd - 12th
Let's listen to some codes. To understand how a modem sends binary numbers over a phone line, class member listen to the codes included in the provided mp3 files, translates the tones to binary numbers and then convert the...
App
Tools for Schools

Book Creator

For Teachers K - 12th
Build beautiful books in whatever style you'd like with an intuitive and adaptable app for constructing books. Kids can add images, drawings, text, and audio to make books about any subject. When complete, learners can wrap up the...
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

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

Quotients of Fractions: Flipping the Fractions!

For Students 6th - 8th Standards
Five questions make up an interactive designed to promote math skills involving the division of fractions. To assist in the process, a tool with moveable parts showcases how fractions are flipped. Question types include multiple-choice,...
Interactive
CK-12 Foundation

Sums of Fractions with Like Denominators: Cheesy Bread

For Students 6th - 8th Standards
Five questions make up an interactive all about adding fractions with like denominators. Mathematicians answer multiple-choice problems and an open-ended question using a fraction model that resembles sliced bread. The practice ends with...
Interactive
CK-12 Foundation

Comparison of Fractions, Decimals, and Percents: Filling in the Squares

For Students 6th - 8th Standards
An interactive equipped with five questions challenges mathematicians to convert between fractions, decimals, and percents. A diagram changes its size to visually depict conversions alongside symbols to compare them. Question types...
Interactive
CK-12 Foundation

Large Decimal Rounding to Decimal Representations: Weighing a Whale

For Students 4th - 8th Standards
An interactive challenges mathematicians to round large numbers with help from a large scale that measures the weight of a blue whale. The practie's five questions include multiple-choice, fill-in-the-blank, true or false, and an open...