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 Unit Rates: Drive Away
Five questions make up an interactive that challenges mathematicians to compare unit rates. Word problems question scholars about two friends going on a road trip. Scholars manipulate two cars on a coordinate plane to help solve word...
CK-12 Foundation
The Percent Equation: Soccer Stadium
A soccer-themed interactive challenges mathematicians to solve five questions involving percent equations. Question types include multiple-choice, fill in the blank, true or false and a discussion. A color-coded stadium with movable...
Curated OER
Foliage Tracker
Young scholars discuss the change of leaf colors and the role that climate and elevation play in those changes. They then track leaf changes, input data, and graph foliage changes with a free online tool.
Illustrative Mathematics
Distance across the channel
Here you will find a model of a linear relationship between two quantities, the water depth of a channel and the distance across the channel at water level. The cross section of the channel is the shape of an isosceles trapezoid. The...
Illustrative Mathematics
Discounted Books
Adolescents love to shop, especially when an item is discounted. Here, shoppers only have a set amount of money to spend. Will they be able to make a purchase with the discount and tax added in? Percent discounts can be calculated...
Illustrative Mathematics
Finding Areas of Polygons, Variation 1
An exercise in finding the area of polygons by decomposing into triangles and composing into rectangles is the focus of this resource. Make several copies of the worksheet for each participant. Ask learners to use colored pencils to...
Illustrative Mathematics
Banana Bread
Show your future bakers how to choose the right baking pan by calculating the volume of a pan. The resource compares two pans, one with decimal edge lengths and is too small for the recipe and one that may work. Your number crunchers are...
Curated OER
Comparing Light Bulbs
An average home produces twice as many emissions as an average car. Teach your class how to reduce energy consumption by replacing standard incandescent light bulbs with compact fluorescent light bulbs. Perform an experiment to compare...
Curated OER
A is for Area, B is for Billion
Students use important math vocabulary by creating an illustrated storybook. They become familiar with the mathematics terms they encounter on a standardized test and connect these words to the world around them.
Curated OER
Stories That Really Add Up
Students, in groups, develop math lessons for younger students that each stems from a popular student story. Group members individually develop lessons for other subject areas based on their group's story, creating interdisciplinary units.
Curated OER
The Disappearing Honeybees: Tracking Honeybee Decline
Students practice graphing and other math skills to track number of honeybee colonies present in United States since 1978, discuss major crops that are dependent on insect pollinators, and examine reasons for decline of United States...
Curated OER
Crispy Cookie Class Fundraiser
Seventh graders see the relationship of math and the real world application by manufacturing a product for making a profit. They create a food product from a recipe, record their sales and analyze and report their gross profit.
Curated OER
Cook Me Up Some Equations
Young scholars study a variety of math concepts in the context of cooking up a meal. In this math lesson, students calculate surface area and volume. They draw and interpret different types of graphs.
Curated OER
Living on Your Own -- Let's Calculate the Cost!
Students review basic math skills, such as addition, subtraction, multiplication, division, finding averages, and working with percentages. They see how these skills apply to real life situations.
Curated OER
Powerpoint Tutorial Project
Students create non-linear, user-directed presentations in a presentation software application. They create, using Powerpoints, tutorial movies using the topic of solving a math story problem.
Curated OER
How Tall is that Tree?
Students apply their math skills to develop an accurate estimate of the height of a tall tree. Three different methods are outlined. All grade levels should be able to perform the shadow method and the proportional method.
Curated OER
What Does Time Have to Do with it?
Students investigate time. In this investigative lesson, students run through an obstacle course using standard timers. They record the time and apply this knowledge to problems in math. Students record their predictions, and graph...
Courseware Solutions
Integers: A Real World Rational Numbers Application
Given centigrade temperatures for pairs of cities, math-minded meteorologists determine which is either warmer or colder. The worksheet is embedded in a website from which you can access an answer key or even change the cities and...
Curated OER
The Christmas Shoppe A
For this math word problems worksheet, students solve word problems based on the sales of the Christmas shop items in the chart. Students solve 4 problems.
Curated OER
Make This Week's Lessons Pop(corn)!
Students create popcorn timelines, maps, and graphs; do popcorn science and math; explore popcorn history and nutrition; and munch leftover popcorn snacks too!,
Curated OER
Geometry and Tony Smith Sculpture
Young scholars respond to Tony Smith's sculpture as art and brainstorm about math concepts inherent in his work. They create a sculpture with polyhedra nets, calculate the cost of covering sculpture in gold, and write an exhibit label...
Curated OER
Roundball for Remembrance
Students view a segment of Futures With Jaime Escalante showing the application of math in basketball, and they try to find some of these applications in a tape of a game played by their home school. This fun instructional activity...
Curated OER
How Do You Profit From Trading Stocks?
Young scholars see how to calculate the gains and losses of their stock portfolios. They use basic math skills in calculating their stock investment the old-fashioned way.
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