Create colorful place value charts on your whiteboard--or hand your students the disks for hands-on practice on lap boards! The magnets are color-coded by place value (thousands, hundreds, tens, and ones) and are essential tools for all math series, especially the popular Asian math programs on the market! Lap boards are sold separately. The bright, color-coded magnets help you demonstrate critical place value skills on your whiteboard. They reinforce numbers, counting, cardinality, and operations. Details:Headings - 6" x 2"Disks - 1"Includes 140 disks (20 each of 7 places: millions, hundred thousands, ten thousands, thousands, hundreds, tens, and ones)7 headingsFor grades 3-6