Features a collection of separate posters, each covering a separate, curriculum topic. Uniquely designed, while one side can be posted for student reference, the reverse features dry-erase activities perfect for individual student review or as a learning center activities. Graphic images and hands-on activities combine to provide comprehensive coverage of essential student skills and cover the current state and national standards — including Common Core. Each 12" x 18" Chart is laminated and double-sided — Side 1 features a graphic overview of the topic and Side 2 provides " write-on/wipe-off" activities. Covers All About Decimals; Adding & Subtracting Decimals; All About Percents; Applying Percents; Ratio, Proportion & Percent; Multiplying & Dividing Decimals; and Ratios, Rates & Proportions.