US Department of Commerce
Featured Activity: Population Change Over Time
Keep track of a state's population. After a brief discussion on how population data is used for funding, individuals look at population changes over time. Pupils find the population of two states using three different censuses. They then...
Curated OER
Line Graphs Showing Change Over Time
Learners analyze line graphs. In this graphing lesson, students analyze line graphs paying attention to how the data changes over time. This lesson includes two video clips, one demonstrating an increasing line graph and one...
Mixing In Math
Mixing in Math: Growing Plants
Whether you have your class plant seeds or begin when sprouts are visible, math skills are used here to predict and track growth over time. Straw bar graphs show plant height on a given day while the graph as a whole shows changes over...
PBS
The Lowdown — Exploring Changing Obesity Rates through Ratios and Graphs
Math and medicine go hand-in-hand. After viewing several infographics on historical adult obesity rates, pupils consider how they have changed over time. They then use percentages to create a new graph and write a list of questions the...
Curated OER
Instantaneous Rate of Change of a Function
Pupils draw the graph of a door opening and closing over time. They graph a given function on their calculators, create a table of values and interpret the results by telling if the door is opening or closing and evaluate the average...
Curated OER
Piecewise Linear Functions: Extending Stories to Graphs
Using this resource, scholars develop graphs that model situations by showing change over time. They answer 15 questions based on information from charts that show growth in weight. They extend the concepts to an assessment section of...
Cornell University
Math Is Malleable?
Learn about polymers while playing with shrinky dinks. Young scholars create a shrinky dink design, bake it, and then record the area, volume, and thickness over time. They model the data using a graph and highlight the key features of...
PBS
The Lowdown — What You Need to Know about Immigration Reform
We're all from somewhere. An informative interactive provides information on immigration, foreign-born residents, and deportations. Pupils interpret the graphics to analyze how these quantities have changed over time. The resource is...
Willow Tree
Line Graphs
Some data just doesn't follow a straight path. Learners use line graphs to represent data that changes over time. They use the graphs to analyze the data and make conclusions.
Curated OER
Prime Time Math: Emergency
Eighth graders, while using Prime Time Math: Emergency software, use math and medical data to participate in the diagnosis of a girl. Just like the medical team in the story, they will be using math to respond to a medical emergency- a...
EngageNY
Interpreting Quadratic Functions from Graphs and Tables
Seeing functions in nature is a beautiful part of mathematics by analyzing the motion of a dolphin over time. Then take a look at the value of a stock and maximize the profit of a new toy. Explore the application of quadratics by...
CK-12 Foundation
Line Graphs to Display Data Over Time: Strawberry Competition
Take the tediousness out of graphing. Using the interactive tool, learners can efficiently create a line graph from a set of data. They then use the graph to answer questions about specific trends in the data.
US Department of Commerce
Immigration Nation
People come and people go. Given tabular census data on the annual number of immigrants from four different regions of the world between 2000 and 2010, pupils create double bar graphs and line graphs from the data. They analyze their...
Curated OER
A Day at the Beach
Help learners determine the rate of change for the temperature of sand. They will collect data on the temperature of wet and dry sand over time with a heat lamp overhead. Then make a scatter plot of the data and find a linear model to...
Illustrative Mathematics
The High School Gym
Learners apply critical thinking skills as they analyze data about the temperature inside a gymnasium during a school assembly. The focus is on representing temperature as a function of time and interpreting input and output values...
Curated OER
Reading Graphs
Working independently or in teams, your class practices connecting graphs, formulas and words. This lesson includes a guided discussion about distance vs. time graphs and looking at how velocity changes over time.
Curated OER
Changes In Change
Learners research the changes in change over time. Students choose one coin to research and trace in history. Learners graph out a time line on their coins. Students present their time lines to the class.
PBS
The Lowdown — Poverty Trends: What Does It Mean to Be Poor in America?
Here's a resource that's rich with learning opportunities. Future mathematicians investigate the poverty rate in America over time. They use an interactive to compare the poverty rate during the Great Recession of 2008 to other years,...
CK-12 Foundation
Solving Equations with Exponents: Money Over Time
We'd all like to see our money double. An interactive shows how an initial investment of $1,000 will increase using a constant rate of return. Scholars answer a set of challenge questions based on the situation.
Curated OER
What Does Time Have to Do with it?
Students investigate time. For 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...
CK-12 Foundation
Logistic Functions: Fab Fitness
Strengthen your understanding of logistic functions. Young mathematicians change the carrying capacity of a logistic function and see how function values change. The function models the number of members in a gym over time.
PBS
Real-World Proportional Relationships: Gender Wage Gap
When will the gender wage gap disappear? Scholars use a provided infographic to see trends in wage gap over time. They use ratios of women's wages to men's wages to determine which decades had the greatest change in the wage gap. The...
Curated OER
Studying Snow and Ice Changes
Students compare the change in snow and ice over a 10 year period. In this environmental science lesson, students use the live data on the NASA site to study and compare the monthly snow and ice amounts on a map of the entire...
California Education Partners
Summer Olympics
Quickly get to the decimal point. The last assessment in a nine-part series requires scholars to work with decimals. Pupils compare the race times of several athletes and calculate how much they have improved over time. During the second...