Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: N Rn Sums of Rational and Irrational Numbers

For Teachers 9th - 10th Standards
The goal of this task is to examine sums and products of rational and irrational numbers. One important property of rational numbers is that their decimals always terminate or repeat: using a slightly different formulation, a rational...
Unit Plan
Texas Education Agency

Texas Gateway: Using Rational Numbers to Solve Problems

For Students 6th - 8th
Given a problem situation in verbal form, students will select and use an operation involving rational numbers in order to solve the problem.