In this task where two saltwater solutions are compared, 8th graders must find equivalent ratios, write an equation that works for both solutions, draw the equation's graph, and interpret the slope as a unit rate. Aligns with 8.EE.B.5.

In this interactive map, learn how life expectancy, obesity, hypertension, and physical activity rates have changed dramatically throughout the United States over the last three decades. The accompanying classroom activity supports...

Given a function that models an exponential situation, rewrite the function in order to find its change for a different time unit. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...

Given a function that models an exponential situation, rewrite the function in order to find its change for a different time unit.

Example problem: Three different stores are offering a deal on pencils. Which store has the lowest price per pencil? Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

This lesson allows students to practice writing and solving rates by conducting an experiment to find the best tasting Kool-Aid mixture. It gives an assessment and ideas for remediation, extension as well as ways to manage behavior...

Find out all about measurement in this test prep lesson exploring English and metric measurement. Students can compare metric and customary measurements using the conversion charts, assess how much they have learned using the interactive...

In this task, 6th graders must inches to feet in order to find the area of a rectangular board and explain the error in the calculations made by the board owner. Aligns with 6.RP.A.3.

In this comprehensive site you will find links to the following topics: parts of the hurricane, naming hurricanes, stages of development, rating hurricanes, online tracking of hurricanes, printable tracking maps, hurricane safety,...

Students will create a scatter plot for the data in the USA TODAY Snapshot, "Cropland value grows," and identify the independent and dependent variables for the data. The students will find the rate of change for the data and label this...

A performance task where students fill in the missing values on a table, plot the corresponding points in the coordinate plane, and find the two unit rates that are associated with this proportional relationship.

Practice finding the constant of proportionality from tables with equations.

Practice finding the constant of proportionality in equations.

Practice finding the Constant of proportionality from tables.

Practice finding constant of proportionality from graphs.

In this interactive map, learn how life expectancy, obesity, hypertension, and physical activity rates have changed dramatically throughout the United States over the last three decades.

The purpose of this task is for students to translate information about a context involving constant speed into information presented in a table and to find the time it takes to travel a unit distance as well as the distance traveled per...

Solving proportions by finding the missing part and advance your dirt bike to the finish line.

Find the percent using a ratio and find a ratio using a percent. Read the interactive quiz rules and then click on the "Begin" ticket. If you answer incorrectly you get one more chance to try again then you are told the correct answer....

Read about the explosive growth of railroad track across the United States after the Civil War. Find out about the building of the Transcontinental Railroad, the men who made fortunes from the railroads, and the first American regulatory...

At this site from the U.S. Geological Survey you can find out what makes rain such a valuable resource. Included is a chart that tells how much rain different cities in the United States receive. Click Home to access the site in Spanish.

Given a function that models an exponential situation, find the factor by which the quantity changes per unit time interval. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...

At the online home of one of the largest hunger-relief agencies in America, find extensive reporting and analysis of the problem of hunger in the United States, along with information about its network of food banks, a quiz to test...

Take an artistic-educational journey into the Louisiana wetlands to find out about the crisis affecting not only Louisiana but all of the United States. See what treasures the wetlands hold and what disasters await if we continue this...