This digital, self-checking deck of 20 cards requires students to use the standard algorithm to solve long division equations. Each card has one equation with a 4-digit dividend and 1-digit divisor. Half of the cards have answers with remainders and half do not. Each digit the students write to show their work is an individual fill-in-the-blank space. Because of this, students can see exactly what parts of the problem are incorrect if they get a wrong answer. This deck was designed to assess