Texas State Energy Conservation Office
Investigation: Automotive Emissions and the Greenhouse Effect
It is recommended that you conduct this fabulous experiment as a whole-class demonstration. Collect air samples from the environment, human exhalation, and car exhaust, then compare them for carbon dioxide content using bromthymol blue...
Radford University
Choosing the Best Cylinders
Don't be fooled: the taller glass doesn't always hold the most. Given the dimensions of different cylindrical containers for beverages and popcorn, pupils calculate the volumes. They see how changing the dimensions affects the volume and...
EngageNY
Markup and Markdown Problems
There is a 100 percent chance this resource will help pupils connect percents to financial literacy. Young mathematicians use their knowledge of percents to find markups and markdowns in financial situations in the seventh segment in a...
Mr. E. Science
An Introduction to Matter
What's the matter? Gas, solid, liquid, or plasma. The presentation covers how to describe and identify matter, changes in matter, types of matter, measuring matter, particles of matter, Democritus, and John Dalton's Atomic Theory.
Khan Academy
Project: Design an Animal
Combine creativity and coding in an activity where you are free to create your own animal. Try for something recognizable or not, the design is up to your unique students. The challenge is to use variables and variable expressions so...
Curated OER
Bagel Algebra
Ninth graders apply proportional reasoning to a real-life situation. In this Algebra I lesson, 9th graders explore a series of equations that relate to a display sign that compares the owner’s bagels to competitors bagels. ...
Curated OER
Recipes and Ratios
Students use ratio and proportions to adjust recipe size. In this middle school mathematics lesson, students investigate Native American food and adjust the recipe size for said foods to the number of servings needed to feed the...
Curated OER
Percent Applications
In this percent application worksheet, students solve word problems containing concepts such as percent, proportions, sale price, discounts, interest, commission, tax, and more. Students complete 11 problems.
Curated OER
Currency
Students investigate currency and exchange rates. In the middle school mathematics lesson, students use ratio and proportion to convert from one type of currency to another. Students solve problems involving currency exchange.
Curated OER
Cell respiration
Three lab guides are given here that detail experiments to illustrate the oxidation of glucose for the production of ATP. The first will compare photosynthesis and respiratio and show theimporatnce of both to plants. The next will show...
Curated OER
The Distance Formula and Marching Nonviolently for Social Change
High schoolers explore the distance formula using real world data from nonviolent marches for social change. In this secondary mathematics lesson, students investigate the marches of Gandhi and King using maps overlaid with a...
Curated OER
Modeling Linear Relationships
Students graph lines using the slope and y-intercept. In this algebra instructional activity, students create data using tables and equations. They use their data to make predictions and draw conclusion.
Curated OER
Proportionality in Tables, Graphs, and Equations
Students create different methods to analyze their data. In this algebra lesson, students differentiate between proportion and non-proportional graph. They use the TI-Navigator to create the graphs and move them around to make their...
Curated OER
Climate change in Canada
Young scholars investigate the impact of human activity on the environment. In this secondary math/science instructional activity, students analyze and interpret information from data and graphs as they investigate trends in...
Curated OER
Worksheet 7: Distance and Rate
In this distance and rate worksheet, learners determine the rate in which something is moving, and explore the rate a surface area of a cube is changes under given circumstances. This one-page worksheet contains seven multi-step problems.
Curated OER
Chapter 4 - Objective 4.1 - Sale Price
In this sale price activity, students read story problems and find the sale price of given items. They determine the percent of change and figure discounts. This one-page activity contains four problems.
Central New Mexico Community College
Percent Word Problems
Take young mathematicians' understanding of percents into the real world with this series of word problems. Involving a variety of contexts from calculating scores on math tests and savings account interest, to determining sale prices...
Chicago Botanic Garden
What Can Tree Rings Tell Us About Climate?
Tree rings are slightly thicker on the south side of the tree because it receives more sunlight. Part two in a series of five lessons helps learners analyze tree rings to determine the environmental conditions that caused size...
American Statistical Association
Armspans
Young mathematicians collect data on the arm spans of classmates. Then they sort the data by measures of center, spread, and standard deviation. Finally, they compare groups, such as boys and girls, to interpret any differences.
Curated OER
Using Ratios to Taste the Rainbow
Learners solve problems using ratios and proportion. In this algebra lesson, students analyze skittles and their different colors as they apply the properties of ratios and proportions to solve their problems.
Mathematics Assessment Project
Sale!
Let's save some money! High schoolers investigate different options for price reductions. They then determine the best and worst sale from a list of options.
PBS
Math with Jake: Transposition Using Ratios
The star of the show is ratios. The informative resource explains how to transpose music using ratios. Individuals transpose the song "Twinkle, Twinkle" in the activity by applying their ratio skills. The activity challenges class...
Mathematics Assessment Project
Modeling Motion: Rolling Cups
Connect the size of a rolling cup to the size of circle it makes. Pupils view videos of cups of different sizes rolling in a circle. Using the videos and additional data, they attempt to determine a relationship between cup...
Curated OER
Science Fair Space
Students determine the most equitable way to share space and cost between three schools for a fictional science fair. Given a diagram, a word problem, and a data set, students analyze and explain the best way for all schools to share...