Key Curriculum Press

Key Curriculum Press publishes a variety of math curriculum including the extremely popular Key to Series and Miquon. In August 2012, Key Curriculum Press was acquired by McGraw-Hill Education. Their products are still available through major distributors. You can easily view all of their titles on Amazon.

Their most popular curriculum, The Key to book series, like Key to Fractions, are extremely easy to learn from and parents/teachers/moms can easily follow along if they need a refresher on the topics.

Miquon Math is their other most popular and well-known curriculum. This series will introduce all four arithmetic operations and fractions during the very first year. Third year students will already be graphing algebraic equations!