Of all the things parents have struggled with during the shift to online learning, helping their child with math probably ranks close to the top. Edutopia spoke with hundreds of teachers and sorted through over 500 comments to find the math tools that they found most useful this past spring. The result was a list of 11 apps and online tools to support student learning in math.

While a few of the 11 recommended tools are clearly aimed at schools and costs accordingly, many are free and cover from kindergarten through high school. Here are some of the recommendations:

The article gives some additional details on each of these resources as well as others. While some of these resources may look more like a game or a puzzle, their goal is to make math engaging for students and teach critical thinking and problem solving skills. And don’t forget about Khan Academy, which has thousands of videos on math and other subjects that can help your child with specific concepts they are struggling with.