Illustrative Mathematics
Illustrative Mathematics: A Ced Paying the Rent
A checking account is set up with an initial balance of $4800, and $400 is removed from the account each month for rent (no other transactions occur on the account). Aligns with A-CED.A.1.
Illustrative Mathematics
Illustrative Mathematics: A ced.a.1 & a rei.d.1: Intro. To Polynomials: College
This task serves as an introduction to polynomials or as an application after students are familiar with exponential functions. Aligns with A-REI.D.11.
Illustrative Mathematics
Illustrative Mathematics: A ced.a.1: Planes and Wheat
This is an exercise in creating equations from a situation with many variables. By giving three different scenarios, students will be reviewing their definitions of the variables to emphasize the importance of defining variables when...
Illustrative Mathematics
Illustrative Mathematics: A ced.a.1: Sum of Angles in a Polygon
This problem provides students with an opportunity to discover algebraic structure in a geometric context. They will divide up polygons into triangles. The will use the sum of the angles of 180 degrees for each triangle. Aligns with...
Illustrative Mathematics
Illustrative Mathematics: N q.a.1, a ced.a.1, and N q.a.2: Harvesting the Fields
This task is about farm-workers who are harvesting two fields. Students are presented with a scenario involving two teams of workers, two different sizes of fields, and work spread out over two days. They must calculate how many...
Illustrative Mathematics
Illustrative Mathematics: A Ced, a Rei Basketball
In this task, two brothers track how many games they have each won. Students are asked to make calculations based on the percentage of games won. They set up a rational equation (and a rational inequality) in one variable, and then solve...
Illustrative Mathematics
Illustrative Mathematics: A Ced Buying a Car
In this task, students are asked to calculate what a car's list price would be in states with different sales taxes. Its purpose is to help students develop familiarity with different ways to solve a problem. Aligns with A-CED.A.1.
Illustrative Mathematics
Illustrative Mathematics: A Ced Bernardo and Sylvia Play a Game
In this task about an algebra game, students must create and reason with algebraic inequalities. Aligns with A-CED.A.3 and A-CED.A.1.