Assessment Problem:

Solve this equation in two different ways:

4(x + 2) = 12

Mathematical Issues:

This task assesses students' ability to use multiple strategies for solving equations.

Domain:

Algebraic Relations

Theme:

Equations

Common Core Standards:

A-REI.3

Technology:

The Cover-Up app also demonstrates the value of informal procedures in solving equations.

Research References:

Rittle-Johnson, B., & Star, J. R. (2007).