The Five Yellow Prisms are used in calculating the volume of a rectangular prism. The material consists of 5 wooden rectangular prisms (20 x 10 x 2 cm) painted yellow and ruled...
All the materials needed to complete follow up activities for box of sticks and classified nomenclature presentations. The task cards help students move from basic concepts to...
ETC pioneered the use and combination of black and white photography with full color pictures to point out individual parts of a whole. Similar to our elementary "parts of..."...
The Sandpaper Letters guide the hand for writing as the child traces the letter shapes in the style and direction that they are written. Each Sandpaper Letter is in lower case...