These 30 shape (2D to 3D) think sheets (worksheets) can be used to reinforce, review, and challenge fraction knowledge. The collection progresses from basics like squares and other quadrilaterals to challenging decagons and triangular prisms. The sheets review the following:2D Shapes - quadrilaterals (squares, rectangles, parallelograms, rhombi, trapezoids, kites), circle, triangles (right, equilateral, isosceles/obtuse, scalene obtuse), regular polygons (pentagon, hexagon, heptagon), irregular