All squares are rectangles, but not all rectangles are squares. If your curriculum requires you to teach specific quadrilateral and triange concepts, you'll find this 4-page document to be very helpful. Because it has 2 versions, you can use the first form for identifying misunderstandings and the second form for retesting students after you reteach the concept. Answer keys are included. Please download the preview version and examine it carefully before purchasing as these worksheets may be too challenging for many elementary students.

Laura Candler, geometry, polygons, quadrilateral, quadrilaterals, triangle, triangles, rhombus, trapezoid, parallelogram, rectangle, square, scalene, isoceles, equilateral, acute, obtuse