Quadrilateral or Not? Worksheets for 3rd Grade
Decide whether a drawn shape is a quadrilateral by counting its sides and corners. 15 free printable worksheets, each with an answer key.
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Click a worksheet to open the PDF, or grab the matching answer key. Every sheet prints on one page.
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Quadrilateral or Not: what children learn
A quadrilateral is any closed shape with 4 straight sides and 4 corners, so squares, rectangles, rhombuses and trapezoids are all quadrilaterals. Triangles, pentagons, hexagons and circles are not.
Quadrilateral or Not: worked example
Is this shape a quadrilateral? (A shape with 5 straight sides) no
The shape has 5 sides and 5 corners. A quadrilateral has exactly 4, so the answer is no.
Quadrilateral or Not: a common mistake to watch for
Kids sometimes say yes only for squares and rectangles, but every shape with 4 straight sides is a quadrilateral.
Quadrilateral or Not: how to help at home or in class
Cut out a pile of paper shapes, including a skinny trapezoid, a kite, a tilted square, a triangle, a pentagon and one with a gap in its outline. Your child taps each side, taps each corner, and sorts them into yes and no piles. Notice together that the shape must be closed. When odd-looking four-sided shapes land in the right pile, move on to comparing squares, rectangles and rhombuses.
What is on these Quadrilateral or Not worksheets
This set has 15 different worksheets for 3rd grade, with 9 questions on each and a matching answer key for every sheet. The instruction printed on each worksheet is: “Write yes or no for each shape.”
Every answer on every sheet is checked by a separate program before the worksheet is published. How we check answers