Illustrative Mathematics
Illustrative Mathematics: 8.f Chicken and Steak, Variation 2
This task has students write an equation to calculate the amount of chicken and steak that can be purchased while staying within a given budget. Students then graph the function and analyze it, discussing the dependent relationship...
Illustrative Mathematics
Illustrative Mathematics: 8.f Baseball Cards
This task has the context of a baseball card collection. Students are shown four equations that might represent the number of cards in the collection where the total is a function of time. They are asked to explain what we can learn...
Illustrative Mathematics
Illustrative Mathematics: 8.f Chicken and Steak, Variation 1
This task has students find a linear function that will calculate the amount of chicken and steak to purchase in order to stay within a given budget. Students then graph the function and interpret it. Aligns with 8.F.B.4.
Illustrative Mathematics
Illustrative Mathematics: 8.f High School Graduation
This is an interesting problem that presents a list of high school students who are graduating. Given the information on the pamphlet, 8th graders are asked to determine how long the speeches were and an equation that will help parents...
Illustrative Mathematics
Illustrative Mathematics: 8.f Video Streaming
Eighth graders are asked to analyze the monthly plans offered by a video streaming service in this task. They identify the function type, write and use an equation, and discuss which plan would be best for which type of viewer. Aligns...
Illustrative Mathematics
Illustrative Mathematics: 8.f Delivering the Mail, Assessment Variation
This task assesses a student's ability to construct a linear function and interpret its parameters within the context of a mail truck's mileage. Aligns with 8.F.B.4.
Illustrative Mathematics
Illustrative Mathematics: 8.f Distance Across the Channel
This task asks students to find a linear function that models the relationship between water depth and distance across a channel at water level. After finding the equation, they have to verbalize the meaning of the slope and intercept of...
Illustrative Mathematics
Illustrative Mathematics: 8.f Downhill
For this task, a car is traveling down a steep hill. Students are given the function for elevation versus distance from the start and are asked to find and explain the slope and intercepts of the graph. Aligns with 8.F.B.4.