The size of a shape is determined by the length of its edge, shown as distance "S" below. This makes matching of shapes very easy. A 1" hexagon goes with a 1" diamond, which goes with a 1" triangle, etc.
FREE Fact Family Cards! These are so cute and such a fun way for kids to practice addition and subtraction or multiplication and division (homeschool, 1st grade, 2nd grade, 3rd grade, 4th grade, 5th grade)