These mystery picture task cards help students to practice their 2 digit place value facts with tens and ones, helping increase their knowledge on base ten operations. They are self-grading, and allow you to track student progress. These BOOM Cards™ would be great on a laptop, desktop, Chromebook, tablet, or any other mobile device that can access the internet. They can even be used on your Smart Board! Students will either read the top place value description on each card, or press the speaker