These charts are PERFECT for teaching place value. They come in 23 different colors, so that each student can have their own, specific color. Ways to Use: Laminate and have students show their work with a dry erase maker. Print out for students to utilize during tests/quizzes.Use as mats when using base ten blocks to keep organized. Different colors mean each student can have their own to use when needed.Use on the Promethean/Smart Board to show place value during your lesson.