Science Education Resource Center at Carleton College
Serc: Mn Step: Stoichiometry: Introduction to Stoichiometry
Using the example of a cake recipe, young scholars find the ratios between different ingredients, which introduces the concept of mole ratios. They then calculate the mole ratios in a chemical equation, and learn how this applies to...
Teaching Treasures Publications
Teaching Treasures: Year Seven Math (Page 2)
Explore fractions in geometric shapes using this interactive worksheet. Concepts include ratio, fractions to decimals, decimals to fractions, and percent. Immediate feedback is given to responses.
Discovery Education
Discovery Education: Architects in Action
Through this instructional activity, middle schoolers will learn how to use ratios to create a scale drawing of their classroom's floor plan. It provides adaptations, discussion questions, assessment rubric, and suggested readings to...
Science Buddies
Science Buddies: Project Ideas: Decomposing Energy: Heat Energy From Compost
In this energy and power science fair project, the student will calculate the heat energy produced by an active compost pile, surrounding a tin can filled with water. The Science Buddies project ideas are set up consistently beginning...
CK-12 Foundation
Ck 12: 10.6 Points That Partition Line Segments
[Free Registration/Login may be required to access all resource tools.] Determine the formula for finding the coordinates of a point on a line segment.
National Council of Teachers of Mathematics
Nctm: Figure This: Grape Juice Jungle
Are all juice grape juice concentrates the same? Find out when you explore ratio and fractions in this math challenge that compares juice recipes to identify strongest taste. A one page activity from the NCTM Math Challenges for Families...
Other
Mathpower: Math Fundamental Assignments
Math variety of concepts, this colorful website is sure to give your students the chance show what they know. Concepts covered include rounding, division with decimals, order of operations, ratio, percent, multiplication, and division of...
National Council of Teachers of Mathematics
Nctm: Figure This: Tv Ratings (Pdf)
Here's a challenge for the avid TV watcher. Use your data interpretation skills to explore America's TV watching habits in this NCTM Math Challenges for Families activity. See if you can figure out which night of the week has the...
PBS
Pbs Teachers: Math Space Odyssey: How Much Do You Weigh in Outer Space?
Demonstrate the ability to apply the use of decimals, fractions, ratios and proportions to situations based upon given information about planets in the solar system.
Khan Academy
Khan Academy: Comparing Rates
Example problem: Three different stores are offering a deal on pencils. Which store has the lowest price per pencil? Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Alabama Learning Exchange
Alex: Exploring Similar Figures Using Proportions
In this activity, students will explore the concept of similarity. Students will first simplify ratios, solve proportions using the cross product property, and use properties of proportions to solve real-world problems. Similar polygons...
That Quiz
That Quiz: Fractions
The practice problems examine fractions, ratios, and decimals. Students choose which concept they would like to review and then answer the corresponding 10 questions. Solutions are provided for incorrect answers.
Alabama Learning Exchange
Alex: Cool Kool Aid Experiment
Seventh grade students have had wide-ranging experiences with fractions and operations on fractions, but ratios and rates may be new concepts for them. This activity introduces students to the idea of rates via a familiar and tangible...
Illustrative Mathematics
Illustrative Mathematics: 7.rp Walk a Thon 2
The purpose of this task is for students to translate information about a context involving constant speed into information presented in a table and to find the time it takes to travel a unit distance as well as the distance traveled per...
National Council of Teachers of Mathematics
Nctm: Figure This: Vcr
This resource presents an interesting challenge for the serious mathematician with strong reasoning skills. Explore proportional reasoning, probabilities, fractions, and ratios in this challenge to figure out if you always get six hours...
Doina Popovici
Math Play: Unit Rate Halloween Math Game
An online math game where students match unit rates in different forms.
Interactive Mathematics
Interactive Mathematics: Trigonometric Functions
Just about everything you need to know about trigonometry can be found here. Interactive examples and demonstrations help to enhance the lessons. Although not required, the tutorial uses Live Math and Scientific Notebook.
Other
A Practical Approach to Customer Financial Statement Analysis
This site describes how to analyze the financial statements of a customer. The concepts can be applied by a business to its own financial statements. Scroll down in the document until you reach the section that describes the different...
TeachEngineering
Teach Engineering: Tower O' Power
In this activity, students learn about creating a design directly from a CAD (computer-aided design) program. They will design a tower in CAD and manufacture the parts with a laser cutter. A competition determines the tower design with...
NASA
Nasa: Space Shuttle Glider
Assemble a basic scale model of the space shuttle as a hands-on activity. The activity features math-related concepts such as finding the scale of the paper model and the glide ratio of its flight.
Science Buddies
Science Buddies: Project Ideas: Rocketology: Baking Soda and Vinegar
The objective of this science fair project is to determine the correct ratio of baking soda to vinegar that will result in the highest launch of a plastic film canister. The Science Buddies project ideas are set up consistently beginning...
Government of Alberta
Learn Alberta: Math Interactives: Exploring Trigonometry (Video Interactive)
This multimedia Learn Alberta math resource looks at how trigonometry is used in making sure that airplanes land safely at airports. The accompanying interactive component gives students practice in using trigonometric ratios, namely...