Curated OER
Population Growth Rates
Students determine the average annual rate of change (growth rate) of U.S. national population for each decade of historical census data.
Illustrative Mathematics
Logistic Growth Model, Abstract Version
Here learners get to flex some serious algebraic muscles through an investigation of logistic growth. The properties of the constant terms in the logistic growth formula are unraveled in a short but content-dense...
Curated OER
I Wonder How Fast Manduca Grows Compared To Me
Learners study the Manduca bug and its growth data. They look for patterns and compare their own growth rate to that of the Manduca.
EngageNY
Linear and Exponential Models—Comparing Growth Rates
Does a linear or exponential model fit the data better? Guide your class through an exploration to answer this question. Pupils create an exponential and linear model for a data set and draw conclusions, based on predictions and the...
National Research Center for Career and Technical Education
Hospitality and Tourism 1: Safety and Sanitation
Math and science come alive in this career-related instructional activity on sanitation. Along the way, learners explore bacterial growth rates using exponential notation and graphs. A link to a very brief, but vivid video shows just how...
NASA
Blossoms Blooming: Analyzing Plant Growth Patterns
Could the seasons be changing? Using National Park data, learners recognize patterns in the growth of seasonal plants. They look specifically at the first bloom date of cherry blossoms in Washington DC and compare them to temperature...
Curated OER
Focus on Economic Data: US Real GDP Growth, August 26, 2011
Young economists answer a series of critical thinking questions as they analyze real data that shows GDP Growth. They examine the provided charts, read through the background information, and discuss changes that occurred in the third...
Howard Hughes Medical Institute
Population Dynamics
Will human population growth always be exponential, or will we find a limiting factor we can't avoid? Young scientists learn about both exponential and logistic growth models in various animal populations. They use case studies to...
Curated OER
A Tall Story
Students investigate the growth rate of a man named Bob Wadlow. In this growth rate of a man lesson, students determine if the growth rate of this particular man was normal or abnormal. Students bring in data of their height...
Teach Engineering
Microfluidic Devices and Flow Rate
When you have to flow, you have to flow. The lesson plan introduces class members to microfluidic devices and their uses in medicine. They watch a short video on how the diameter affects the rate of flow. The worksheet has individuals...
Curated OER
Regents High School Examination: Living Environment 2009
Emerging ecologists need a full understanding of life, from the inner workings of a cell to the complex relationships among organisms. This examination is meant to assess high schoolers after an entire year course on the living...
Curated OER
Regents High School Exam: Living Environment 2008
Tne New York Regents High School Examinations are comprehensive and include various styles of questions, includingmultiple choice and the analysis of graphs. This particular version, the 2008 Living Environment exam surveys a variety of...
Curated OER
Regents High School Examination: Living Environment 2007
Environmental science enthusiasts show what they know at the end of the year by taking this full-fledged final exam. They answer multiple choice, graph interpretation, and essay analysys questions, 73 of them in all. Topics range from...
Curated OER
Regents High School Examination: Living Environment 2005
The 2005 version of the Regents High School Examination in the area of ecology is as comprehensive as previous years' exams. It consists of 40 multiple choice questions on everything from the structure of DNA to the interactions within...
Curated OER
Regents High School Examination: Living Environment 2003
The living environment, from the interior of a cell to the complex relationships among populations, are queried in this final examination. Learners look at air pollution maps, diagrams of cells, population graphs, and drawing of cells....
Virginia Department of Education
A-Mazing Plants
Have your young scientists questioned why plants grow a particular way? Through this learning opportunity, scientists gain firsthand knowledge about how plants develop and various factors that affect rates of growth as they bring plants...
Curated OER
Exponential Growth versus Polynomial Growth
Your algebra learners explore the values of two types of functions in order to compare growth rates in this short cooperative task. Two types of solutions are given, using a table of values and an abstract argument.
Curated OER
Whoa! Slow Down-Some of You!
Students analyze demographic data (growth rate, natural increase, fertility rate, crude birth rates, and crude death rates) and determine which areas of the world contain the fastest and slowest growth rates. They construct population...
EngageNY
Exponential Growth—U.S. Population and World Population
Show how exponential growth can look linear. Pupils come to understand the importance of looking at the entire picture as they compare the US population to the world population. Initially, the populations look linear with the same rate...
Curated OER
Rate of Coral Growth
Using a table of information provided, middle school marine biologists chart data on a graph to determine the impact of water depth on coral growth in Australia's Great Barrier Reef. Then they answer questions that connect the data to...
Curated OER
In the Billions and Exponential Modeling
Modeling population growth gives learners an opportunity to experiment with real data. Comparing the growth rates in this real-life task strengthens learners' understanding that exponential functions change by equal factors over equal...
EngageNY
Percent Rate of Change
If mathematicians know the secret to compound interest, why aren't more of them rich? Young mathematicians explore compound interest with exponential functions in the twenty-seventh installment of a 35-part module. They calculate future...
West Contra Costa Unified School District
Interest and the Number e
Mary, Mary, quite continuously, how does your money grow? Uses examples to examine the difference between simple interest and compound interest, and to take a look at different rates of compounding. Learners explore what would...
Curated OER
Temperature Affects The Heart Rate
Young scholars relate heart rate and development to environmental conditions through experiment. In cooperative groups, students record the heart rate in developing zebra fish. Groups create a standard curve to predict the temperature...
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