+
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Ced Paying the Rent

For Teachers 9th - 10th
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.
+
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A ced.a.1 & a rei.d.1: Intro. To Polynomials: College

For Teachers 9th - 10th
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.
+
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A ced.a.1: Planes and Wheat

For Teachers 9th - 10th
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...
+
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A ced.a.1: Sum of Angles in a Polygon

For Teachers 9th - 10th
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...
+
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: N q.a.1, a ced.a.1, and N q.a.2: Harvesting the Fields

For Teachers 9th - 10th Standards
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...
+
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Ced, a Rei Basketball

For Teachers 9th - 10th Standards
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...
+
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Ced Buying a Car

For Teachers 9th - 10th
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.
+
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Ced Bernardo and Sylvia Play a Game

For Teachers 9th - 10th Standards
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.