2d and 3d Shapes Worksheets | Free Online PDFs - Cuemath 2d and 3d shapes worksheets help kids from Kindergarten and Grade 1 keenly observe each geometrical figure, compare them and decide which of these are 2-dimensional and which are 3-dimensional; and check the appropriate box. Grade 1 and grade 2 kids snip the shape cards, sort them as 2D and 3D, and glue them in their respective columns.