# Written Arithmetic

Allow students to vertically solve arithmetic problems. Step-by-step and with help when needed.

←question types overview

Adding two number using an extended form, as is often done in the early grades. Solving this problem is very similar to how it’s done with pencil and paper, so students will immediately know what to do.

Note how the student receives immediate feedback in the form of progress, hints and error feedback.

Every interaction has a review mode which shows the student’s work for review and a solution mode which displays the worked solution.

A subtraction problem where students can choose their approach: an extended form or a short form with borrowing.