I taught first grade, and this product was an essential! It breaks down quick tens and strategies when looking to add double-digit numbers. It includes:- A helpful key-An adorable classroom look (customizable)- To customize Bitmoji, download the Bitmoji App for Chrome and create your own!- A walk through (visually) different strategies- A walk through (with words) different strategies-Explanations of the strategies-Color-coded problems