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CK-12 Foundation
Addition of Integers: Polka Dots
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...
CK-12 Foundation
Distributive Property: Catching Fireflies
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...
CK-12 Foundation
Ellipses Centered at the Origin: Lithotripsy
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...
Curated OER
Emailing Colonial Pen Pals
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...
Rustle Leaf
Tell Someone About Earth Day
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...
Curated OER
Dividing the Estate
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.
Curated OER
Author, Author
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...
Wildlife Conservation Society
Build Your Wild Self
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...
CK-12 Foundation
Function Rules for Input-Output Tables: Tickets at an Arcade
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...
Curated OER
Email, Part 2: Addresses
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.
Curated OER
How to Address an Envelope
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.
Common Sense Media
Sending Email
Youngsters are introduced to the idea of communicating through e-mail, and gain important foundational knowledge for how to interact safely online.
Common Sense Media
Show Respect Online
Through discussion and a variety of worksheet types, pupils learn to review their e-mails for grammar, appropriateness, and respect before sending.
CK-12 Foundation
Limits of Polynomial and Rational Functions: Evaluating the Limits of the Quadratic Function
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.
Curated OER
A Visit to Mexico City: An Introduction to World Communities
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...
Curated OER
ICT/Literacy
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...
Computer Science Unplugged
Codes in a Song—Modems
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...
Tools for Schools
Book Creator
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...
CK-12 Foundation
Prime and Composite Numbers
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.
CK-12 Foundation
Add and Subtract Decimal Numbers: Losing Little Bits
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...
CK-12 Foundation
Quotients of Fractions: Flipping the Fractions!
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,...
CK-12 Foundation
Sums of Fractions with Like Denominators: Cheesy Bread
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...
CK-12 Foundation
Comparison of Fractions, Decimals, and Percents: Filling in the Squares
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...
CK-12 Foundation
Large Decimal Rounding to Decimal Representations: Weighing a Whale
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...