*“Integer Solitaire” is free on this website for one week only. It’s an excerpt from Prealgebra & Geometry: Math Games for Middle School, available as an ebook at my bookstore (Thank you for cutting out the middleman!) and in ebook or paperback through many online retailers. Read more about my playful math books here.*

Many parents remember struggling to learn math. We hope to provide a better experience for our children.

And one of the best ways for children to enjoy learning is through hands-on play.

This game gives upper-elementary and middle school children plenty of practice adding and subtracting integers. It’s a fun challenge for older students and adults, too!

## Integer Solitaire

**Math Concepts:** integer addition and subtraction.

**Players:** one or more (a cooperative game).

**Equipment:** playing cards, large sheet of poster board (optional).