- Aaron Daffern

# The Unmute Project - Math 3.2A

*In a *__previous post____,__ I shared my concern about a lack of oral language development during the COVID-19 pandemic. To that end, here's an idea on how to use 3rd grade math content to encourage discussion and conversation.

*TEKS 3.2A -** **compose and decompose numbers up to 100,000 as a sum of so many ten thousands, so many thousands, so many hundreds, so many tens, and so many ones using objects, pictorial models, and numbers, including expanded notation as appropriate;*

Watch these two videos to learn more about composing and decomposing numbers, representing numbers with models, and expanded notation.

Now, have students get with a partner and choose three tasks below to make a tic-tac-toe.

If you'd like to embed this Google Slides presentation into your online classroom, or customize it in any way, you can access the file __here__ and make a copy. You can also rearrange the squares any way you see fit.