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Resources and Tasks To Support Your Child at Home Video: Classify triangles by examining their properties Items may not use the term “kite” but may include the figure. Items that include trapezoids must consider both the inclusive and exclusive definitions. Other polygons may be included where appropriate. Quadrilaterals: parallelograms, rectangles, squares, rhombi, trapezoids. Triangles: equilateral, equiangular, isosceles, scalene, acute, right, obtuse. Sample answer that indicates understanding: Students draw any parallelogram: parallelogram, rhombus, rectangle or square.Ĭognitive Complexity Level: 2 – Basic Application of Skills and Conceptsģ– classifies two-dimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of specified size identifies right trianglesĤ- constructs two-dimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of specified sizeĥ– analyzes and justifies how groups of two-dimensional figures are sorted based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of specified size.Draw a quadrilateral with two sets of parallel lines.

$classify two dimensional shapes based on properties$

Sample answer that indicates understanding: The right trapezoid has 2 right angles, 1 obtuse angle and 1 acute angle.How did you know your right trapezoid could fit in all the groups? Sort your shapes by the types of angles.If I already have a right angle the other two angles must be acute to close the shape and only use three sides. Sample answer that indicates understanding: That shape can’t be drawn.Can you draw a triangle with two right angles? Can you draw a triangle with two obtuse angles? Why or why not? Sample answer that indicates an incomplete understanding or a misconception : This shape has four sides and the opposite sides are the same length, but the length and width are different.Opposite sides of the shape are the same length. Sample answer that indicates understanding: This shape has two sets of parallel sides and two sets of perpendicular lines.

Iidentify the attributes that make it a rectangle. Ask purposeful questions that allow students to develop generalizations about two dimensional shapes.

Plan experiences that utilize charts and diagrams when sorting shapes and identifying attributes.

Provide tasks that allow students to sort two-dimensional shapes in multiple ways based on attributes.

Categorize quadrilaterals based on side size, angles size and the presence of parallel or perpendicular lines.

Apply understanding of attributes to triangles and use attributes to describe the differences in triangles.

Recognize two dimensional shapes have specific attributes of angles, parallel and perpendicular lines.

Recognize right triangles as a category, and identify right triangles. Classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of a specified size.