### These five apps can help middle school students learn math skills such as geometry, estimation, and simple algebra

Here are reviews of five high-quality digital apps that can help teach middle school math, courtesy of Common Sense Media and its new Graphite ^{[2]} service—a free database of teacher-written reviews of learning technologies.

**Slice It!**

**Grade range**: 3-7

**What is it? **Divide and conquer with clever puzzles that build a geometry foundation.

**Pros**: Trial-and-error game play supports nimble discovery of concepts and strategies.

**Cons**: Lacks explicit connection between game principles and classroom learning.

**Bottom line**: A fun way for kids to jump into geometry with lessons on shapes, symmetry, and area.

**Full review**: http://www.graphite.org/app/slice-it ^{[3]}

**Questimate!**

**What is it? **Estimation becomes a fabulous math game.

**Pros**: Exposes kids to estimation in fun ways, with concrete math explanation.

**Cons**: Number ranges aren’t limited at first, so it’s easy for answers to be way off.

**Bottom line**: A great-looking, fully engaging math experience, from question to answer.

**Full review**: http://www.graphite.org/app/questimate ^{[5]}

**Algebra Touch**

**What is it? **A nice twist to learn equation steps, not answers.

**Pros**: Students get encouraging words at each step.

**Cons**: You can’t track how students are progressing, or if they’re progressing at all.

**Bottom line**: Algebra Touch breaks equations down into steps and describes them with such basic language that math-challenged students should improve.

**Full review**: http://www.graphite.org/app/algebra-touch ^{[7]}

**DragonBox+Algebra**

**What is it? **Mesmerizing, step-by-step puzzler sets the foundation for algebra.

**Pros**: A truly elegant design integrates entertainment and instruction so seamlessly that playing = learning.

**Cons**: Some levels might be hard to solve without hints.

**Bottom line**: This innovative game-changer teaches algebra, changes the way kids learn it, and even changes how they feel about it.

**Full review**: http://www.graphite.org/app/dragonbox-algebra ^{[9]}

**Motion Math: Pizza!**

**What is it? **Serving up valuable economics lessons with an extra helping of fun.

**Pros**: The challenges and rewards of running a successful business will empower kids and keep them engaged.

**Cons**: Could use more instructions and hints for kids who need extra guidance.

**Bottom line**: Fantastic math game gives kids a taste of what’s needed to run a profitable business.

**Full review**: http://www.graphite.org/app/motion-math-pizza ^{[11]}