Assessment
Illustrative Mathematics

Multiples of Nine

For Students 4th Standards
Which numbers are multiples of 9? Task class members to find the first ten multiples of 9 in a straightforward assessment worksheet.
Interactive
CK-12 Foundation

Systems of Linear Inequalities: Baking Cookies

For Students 8th
Cook up a good resource for systems of linear inequalities. Using an interactive, individuals graph a system of linear inequalities to represent constraints on the number of cookies a person must bake. A set of challenge questions...
Lesson Plan
NOAA

The Oceanographic Yo-yo

For Teachers 7th - 8th
How does chemistry help deep-sea explorers? Part four of a five-part series of lessons from aboard the Okeanos Explorer introduces middle school scientists to technologies used in ocean exploration. Groups work together to analyze data...
Interactive
CK-12 Foundation

Infinite Limit Type: Properties of Limits

For Students 11th - Higher Ed Standards
Limits can provide some valuable information about graphs. A slider interactive lets learners see the behavior of a graph around asymptotes. They investigate relationships between limits and asymptotes.
Printables
Curriculum Corner

Holidays Around the World

For Students 1st - 3rd Standards
Let's focus on a holiday from around the world! Young researchers choose a holiday from somewhere around the world, and conduct research to answer questions about the holiday. It can be used anytime during the year!
Lesson Plan
Cornell University

Investigating and Modeling Hardness

For Students 6th - 8th
Model hardness testing with a self-designed hardness test. Young scholars rate the hardness of different types of aspirin using the Vicker's Hardness scale. They then relate hardness to the solubility of each aspirin tablet.
Worksheet
Curriculum Corner

Earth Day Grid Math

For Students 2nd - 5th Standards
Get into springtime with a festive practice sheet designed to test scholars' knowledge of grids. Learners locate items such as watering cans, snails, and flowers following the x and y-axis. Worksheet themes include Earth Day, gardening,...
Activity
Teach Engineering

Glowing Flowers

For Teachers 6th - 8th
What a bright idea! Young scientists conduct an experiment on flowers to finish the last of a six-lesson unit on Cells. Putting the stems into dye-injected water and leaving it overnight results in flowers that glow. This is to simulate...
Article
PBS

Sherpas on Everest

For Students 6th - 8th Standards
Every successful climb of Mount Everest can be attributed to the assistance of the local Sherpas. A short, informative article explains the history behind the Sherpa's involvement in Mount Everest expeditions, the physiological reasons...
Interactive
Physics Classroom

Change of State

For Students 9th - 12th Standards
Free-body diagrams display all forces acting on an object, helping scientists represent Newton's Laws of Motion. Scholars read a short description of motion and view the free-body diagram to begin the installment of a larger series on...
Activity
Great Books Foundation

Discussion Guide for Handmaid's Tale

For Students 9th - 12th Standards
Great literature discussions are a consequence of carefully crafted questions, interpretative questions that permit more than one response, and responses supported by specific evidence from the text. The discussion questions in a guide...
PPT
1
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Biology Junction

Water, Solutions, pH, and Buffers

For Students 9th - 12th Standards
What common chemical includes safety warnings for being harmful if swallowed or inhaled, causes serious eye damage, and needs to be cleaned up immediately if spilled on the floor? Surprisingly, the dangerous chemical turns out to be...
PPT
Biology Junction

Photosynthesis: Energy and Life

For Teachers 9th - 12th Standards
All life requires energy ... and the connection between energy and plant life typically requires photosynthesis. Scholars explore photosynthesis in depth from ATP/ADP through the Calvin cycle. A helpful presentation highlights concepts...
PPT
Biology Junction

Arthropods

For Students 9th - 12th
Even the creepy crawlers have pretty amazing anatomy! A thorough lesson describes characteristics of arthropods with an emphasis on their structures. Beginning with a review of the taxonomy hierarchy, the lesson explains the different...
Handout
ProCon

School Vouchers

For Students 9th - 12th Standards
Do school vouchers for private schools improve public school education, or do they lead to worse academic performance? Scholars read the top four pros and cons to decide if school vouchers are a good idea. They also participate in an...
Interactive
CK-12 Foundation

Addition and Multiplication Properties with Real Numbers: The Secret of Subtraction

For Students 6th - 8th Standards
An interactive boosts mathematicians' knowledge of subtracting integers using a horizontal number line by way of multiple-choice, true or false, and discussion questions. 
Interactive
CK-12 Foundation

Decimals as Mixed Numbers

For Students 6th - 8th Standards
Five questions—multiple-choice, true or false, and a discussion—make up an interactive that focuses on decimals as mixed numbers. Moveable blocks assist scholars in finding solutions. 
Interactive
CK-12 Foundation

Addition of Fractions

For Students 4th - 8th Standards
Five word-problems challenge mathematicians to add fractions. Interactive fraction circles assist scholars in problem-solving. Question types include multiple-choice, true or false, and a discussion.  
Interactive
CK-12 Foundation

Prices Involving Sales Tax: Proper Tipping

For Students 6th - 8th Standards
A five-question interactive challenges mathematicians to find a correct tip and total amount using percents five, 12, and 18. A tool with moveable pieces assists participants in locating answers. Types of questions include...
Interactive
CK-12 Foundation

Decimal Rounding Given Place Value

For Students 6th Standards
Tests mathematicians' knowledge of decimals, place value, and rounding with a five-question interactive. A tool with movable parts assists scholars in answering questions—multiple-choice and true or false.  A discussion question...
Interactive
CK-12 Foundation

Subtraction of Fractions: Fragmented Fractions

For Students 5th - 8th Standards
An interactive challenges scholars to subtract mixed numbers. Pupils answer questions—multiple-choice, fill in the blank, and true or false—with help from virtual fraction strips. The practice closes with a discussion. 
Interactive
CK-12 Foundation

Properties of Multiplication in Decimal Operations: Balloon Animals

For Students 5th - 8th Standards
Commutive and associative properties are the focus of a five-question interactive. Dealing with decimal multiplication and addition, mathematicians solve multiple-choice and true or false questions using a model that moves balloons along...
Interactive
CK-12 Foundation

Prices Involving Discounts: Save Money with Coupons!

For Students 6th - 8th Standards
Nine questions make up an interactive that challenges scholars to identify new prices after discounts. Question types include fill in the blank and multiple choice. A fully-functional tool assists participants in solving word problems....
Interactive
Learning Games Lab

How to Use Oil Immersion Microscope

For Students 9th - 12th Standards
Teach the class how to use a microscope to identify bacteria in food. Scholars explore the different parts of the microscope and learn how to determine total magnification. They walk step-by-step through the procedure of preparing slides...

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