Curated OER
Proportional Reasoning
In this proportional reasoning worksheet, students use proportions to solve discount and sale problems. This two-page worksheet contains 4 multi-step problems.
Curated OER
Light Bulbs are Almost Burned Out
Incandescent light bulbs were enlightening more than 130 years when Thomas Edison invented them. More recently, US Congress passed legislation to increase efficiency standards. Your 5th, 6th, or 7th graders will be enlightened as they...
Global Oneness Project
Deconstructing Consumerism
To increase awareness and launch a discussion of consumerism, class members view What Would It Look Like, a 25 minute film of images that capture the global effects of the consumption of goods. Viewers make a list of the images that they...
College of Marin
General Addition and Multiplication Rules of Conditional Probabilities
Making connections between multiple methods of solving problems is an important part of understanding conditional probability. The lesson shows solutions to problems using Venn diagrams, tree diagrams, formulas, and two-way tables....
National Wildlife Federation
Power Pellets! Nuclear Energy in the United States
Nuclear power provides about 20 percent of the energy generated in the United States. The seventh activity in the series of 12 tackles nuclear power. After sharing what they know about nuclear energy, scholars complete a WebQuest make a...
Curated OER
Latitude
Your young geologists generate a graph given a table of values from the context of latitude and percent of the earth's surface north of that latitude. The questions in the activity then focus the learners to a deeper understanding of the...
Inside Mathematics
Winning Spinners
Winning a spin game is random chance, right? Pupils create a table to determine the sample space of spinning two spinners. Individuals determine the probability of winning a game and then modify the spinners to increase the probability...
Curated OER
Summer Intern
Your young apprentices build a function describing the percent concentration of salt in a brine. The rational function is then related to the parent function, y= 1/x, and graphed. Finally, the apprentices predict the amount of fresh...
Physics Classroom
Action-Reaction Lab
Computer-interfaced motion detectors are required to carry out this inquiry. It is a new twist on exploring motion with plunger carts: they are set back-to-back and then propelled away from each other. Their velocities are measured, and...
PwC Financial Literacy
Insurance Why's and How's
Middle schoolers explore the primary purposes of a variety of types of insurance. They determine who benefits the most from insurance coverage, and examine the factors that lead to increases and decreases in insurance premiums. The...
Rainforest Alliance
Forests of Guatemala
With 90 percent of its land area covered in forests, Suriname, a country in South America, contains the largest percentage of forests throughout the world. Here is an activity that brings classmates together to learn about the...
Teach Engineering
Preconditioning Balloons: Viscoelastic Biomedical Experiments
What does stretching a balloon have to do with equilibrium? Groups explore preconditioning by stretching a balloon to a point of equilibrium. They then measure the amount of force required to stretch the balloon to the same point several...
NOAA
Exploring Potential Human Impacts
Arctic sea ice reflects 80 percent of sunlight, striking it back into space; with sea ice melting, the world's oceans become warmer, which furthers global warming. These activities explore how humans are impacting ecosystems around the...
EngageNY
Estimating a Population Proportion
Find the percent of middle schoolers who want the ability to freeze time. The 21st installment in a series of 25 has groups collect a random sample of respondents who answer a question about superpowers. Using sample statistics,...
CK-12 Foundation
Power and Efficiency Simulation
How much energy in Jewels does it take to tow a car up a slope? Scholars explore different values of both kinetic and potential energy to answer that question. Through multiple levels, the difficulty increases — as does your young...
Delaware Health and Social Services
My Life. My Plan: Women
Nationwide, over 40 percent of pregnancies are unintended. A lesson designed for women of childbearing age asks them to consider their goals and provides information about reproductive health. Learners view a PowerPoint presentation and...
Curated OER
From a Square to a Rectangle
Eighth graders solve problems involving percentage increases and decreases. Using given percentages, 8th graders transform a square into a rectangle. They apply the area formulas for squares and rectangles.Students observe the percent...
Curated OER
Breaking News English: Outsourcing on the Increase
In this English worksheet, students read "Outsourcing on the Increase," and then respond to 47 fill in the blank, 7 short answer, 20 matching, and 8 true or false questions about the selection.
Curated OER
Percentage to Decimals Coordinates Game
In this coordinates worksheet, learners solve the percentage problems in the box that is called out by the coordinate where they change the percentages to decimals. Students complete 16 problems.
Noyce Foundation
Mixing Paints
Let's paint the town equal parts yellow and violet, or simply brown. Pupils calculate the amount of blue and red paint needed to make six quarts of brown paint. Individuals then explain how they determined the percentage of the brown...
Mathematics Assessment Project
Yogurt
Daily production of dairy? Determine profit and production requirements for a yogurt company with unit conversions and percentages to solve problems.
University of Connecticut
Weather Vs. Whether
Monarch butterfly populations have decreased by 90 percent over the past 20 years due to misuse and ineffectiveness of some pesticides. Given the challenge to increase pesticide safety and effectiveness, the class, through discussion,...
Royal Society of Chemistry
Pollutants in Air (14-16)
Polluted air contains more than 200 chemicals that age the skin, causing urban women to appear 10 percent older than their rural peers. An interesting interactive connects air pollutants and related data. Scholars work their way through...
PBS
Insolation on Earth
In 2017, the world increased the capacity for using solar energy by a whopping 32 percent. Is solar energy the future for the planet? Approach this topic from the idea of how much solar energy reaches the surface of Earth. Individuals...
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