Product Description:This deck of 30 digital interactive cards will have students determine the unknown whole number in an addition or subtraction equation and have multiple experiences solving equations in which the unknown is in different positions. The task cards are Fill-in-the-Blank. This deck is aligned with the Common Core 1.OA.D.8. These digital task cards would be great on a laptop, desktop, Chromebook, tablet, or any other mobile device that can access the internet. They can even be use