Daily math practice is a breeze—with magnetic write & wipe charts that provide a visual way to help students understand key concepts! Simply place the activity charts on any magnetic surface and use the corresponding magnets for targeted practice—with everything from base 10 math and money skills to number sense and skip-counting. The set includes 5 charts, over 80 magnets (including coins, bills, place value blocks and more) and an activity guide. Largest chart measures 17" x 21".