With multiple copies of nine different math content cards, this handy set allows you to support individual fourth graders in the areas where they are struggling. Slip the appropriate card into the clear vinyl sleeve that adheres to the desktop. Tabs on the cards make them easy to pull out of the sleeves so you can swap them as needs change. This set includes multiples of numbers 1 12, finding factors, place valueA "whole numbers and decimals, rounding rules, fractions, visualizing decimals, perimeter and area, lines and angles.