The Contemporary Mathematics in Context series provides a common core of broadly useful mathematics for all students. The discrete mathematics strand develops student ability to model and solve problems involving enumeration, sequential...

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.

The premise of this problem is simple - learners must find three whole numbers with three different sums when they are added in pairs. To do this, they set up a system of linear equations in three variables. Aligns with A-REI.C.6.

In this task, 6th graders solve two fraction division problems by drawing pictures, interpreting them, identifying equations that represent each problem, and verifying that the equations give the same answers as the pictures. Aligns with...

Explore estimation through this lesson designed to engage students.

The purpose of this task is to use similar triangles and setting up a proportion in order to calculate a side length. Aligns with G-SRT.B.5.

Sixth graders work with a ratio stating the number of boys to girls in a school and use it to calculate the fraction of students who are boys and the total number of students. Aligns with 6.RP.A.