This article shares a mathematics discourse technique adapted from literacy instruction and designed to prepare students' engagement in a mathematics task by model mathematical thinking. The Math Think Aloud is used during the launch of a lesson to provide access to the mathematics and help students make sense of the task so they are able to work on the task and share their mathematical thinking. Successes, challenges, and tips for effective implementation are shared.

This article presents a mathematics discourse technique adapted from literacy instruction to promote sense making when teachers are launching a lesson about story problems. Math Bet Lines helps all students engage with the meaning of the story problem and is particularly beneficial for emergent multilingual learners. In this article we discuss how teachers implemented the Math Bet Lines technique and share their successes, challenges, and tips for overcoming those challenges.