App
Krzysztof Haft-Szatynski

Move the Turtle

For Students 1st - 9th
Turtles are not known to be speedy movers, but have you ever tried to get them to move in a specific direction? How about getting them to move in a perfect circle? With this app, young computer programmers have to be on their toes to...
Lesson Plan
Curated OER

Rounding and Subtracting

For Teachers 6th - 8th Standards
Common Core is all about getting your learners to open their minds and think about the why and how. This problem has them thinking about unknown numbers and their relationship with one another when we round and...
Lesson Plan
Illustrative Mathematics

Many Ways to Do Addition

For Teachers Pre-K - 1st Standards
A great aspect of teaching math is that children have the freedom to solve problems using a variety of different strategies. The focus of this instructional activity is for young mathematicians to become aware of many ways of answering...
Lesson Plan
3
3
The New York Times

Trouble in the Hive: Researching the Decimation of Honeybee Colonies

For Teachers 8th - 12th Standards
Teach your class about colony collapse disorder and foster discussion about causes and solutions for the honeybee problem. Class members read and discuss an article and participate in one of two detailed activities about pollination and...
Lesson Plan
Curated OER

Bernardo and Sylvia Play a Game

For Teachers 9th - 12th Standards
This activity presents a game played by two learners whose solution is an exercise in creating and analyzing with algebraic inequalities. 
Activity
Smarter Balanced

Food Waste and Food Access

For Teachers 6th - 12th
Forty percent of food in the US goes uneaten while 14.5 percent of US households lack a secure supply of food. As part of the preparation for a performance task assessment, groups consider statistics such as these about food waste and...
Lesson Plan
Nancy Fetzer's Literacy Connections

Expository Paragraph

For Teachers 5th - 8th Standards
Upper elementary and middle school writers learn how to craft an expository paragraph by following the six steps detailed in a 48-page instructional guide. Learners learn how to write six different types of informational paragraphs:...
Lesson Plan
Macmillan Education

Get Organised

For Teachers 6th - Higher Ed
The focus of the first lesson in a 23-lesson life skills unit is on getting organized. The worksheets ask users to identify areas of their lives were they need more organization and then offer suggestions and solutions. 
Lesson Plan
Illustrative Mathematics

How Thick Is a Soda Can II?

For Teachers 9th - 12th Standards
Science, technology, and math come together in this one combination exercise. Analyzing the common soda can from both a purely mathematical perspective and a scientific angle allows for a surprisingly sophisticated comparison of...
Printables
Curated OER

“Light Force” and “Dark Force”

For Teachers K - 12th
Designed for learners with autism, this set of worksheets prompts students to design their own fantasy characters as a way of identifying emotional problems and solutions they might face on a daily basis.
eBook
Whitman College

Calculus - Early Transcendentals

For Teachers 9th - Higher Ed Standards
This textbook takes the learner from the basic definition of slope through derivatives, integrals, and vector multivariable calculus. Each section is composed primarily of examples, with theoretical introductions and explanations in...
Handout
Thomson Brooks-Core

Complex Numbers

For Students 10th - 12th
A straightforward approach to teaching complex numbers, this lesson addresses the concepts of complex numbers, polar coordinates, Euler's formula, De moivres Theorem, and more. It includes a practice problems set with odd answers...
Worksheet
Kuta Software

Imaginary Numbers

For Students 9th - 12th Standards
Here is a worksheet that takes all aspects of quadratic functions and incorporates imaginary numbers into the problems. The problems range from simplifying to graphing and solving by using a variety of methods with imaginary and complex...
Activity
University of California

You Are What You Eat: Testing for Organic Compounds in Foods

For Teachers 8th - 11th Standards
We have all heard that we are what you eat, but what are we eating? An informative lesson opens with a discussion of the foods pupils have recently eaten. Then, young scientists perform four experiments on seven...
Lesson Plan
1
1
Mathematics Assessment Project

Solving Quadratic Equations

For Teachers 9th - 12th Standards
Scholars first complete an individual assignment using a quadratic equation to model the movement of a bus around a corner. Learners then discuss their solutions with classmates and analyze the provided sample responses.
Activity
Curated OER

A Model Solar System

For Teachers 9th - 12th Standards
If Earth is modeled by a grapefruit, what planet could be represented by a golf ball? This activity uses everyday and not-so-everyday objects to create a model of the Solar System.
Lesson Plan
Mathematics Assessment Project

Generalizing Patterns: The Difference of Two Squares

For Teachers 8th Standards
After completing an assessment task where they express numbers as the difference of squares (i.e., 9 = 5^2 – 4^2), class members note any patterns that they see in the problems.
Lesson Plan
Mathematics Assessment Project

Sorting Equations and Identities

For Teachers 9th - 12th Standards
Identify the identity. Learners first solve equations to find the number of solutions. Scholars then determine if given equations are always, sometimes, or never true, leading to the concept of identities.
Lesson Plan
Curated OER

Density Columns

For Teachers 8th
Eighth graders create solutions with 5 different densities. In this chemistry lesson, 8th graders analyze the density of solutions stacked on top of each other. They document their data through graphing. This assignment requires 4 class...
Lesson Plan
Curated OER

Serial Dilution of CuSO4 and Changing the Value of Paint

For Teachers 9th - 12th
Learners relate solution concentration and saturation to color and compare methods of changing value and color intensity with paint solutions.
Worksheet
Curated OER

Solubility

For Students 10th - Higher Ed
In this solubility worksheet, students determine which solute will be more soluble in the solvent listed. Students complete 7 matching and 3 problems to solve.
Worksheet
Curated OER

Colligative Properties Worksheet

For Students 10th - Higher Ed
In this solutions worksheet, learners determine the boiling points and melting points of solutions. Students calculate the effective molality of a solute. This worksheet has five problems to solve.
Lesson Plan
Curated OER

Take Action, Save the Past

For Teachers 8th
Eighth graders use their creative and critical thinking skills to find useful solutions to current and future problems concerning the destruction of archaeological sites and artifacts.
Organizer
Curated OER

How Can Mixtures Be Separated?

For Students 3rd - 8th
In this mixtures worksheet, students brainstorm the problems and possible solutions of how to separate mixtures. This worksheet is a graphic organizer.

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