Shapes and their attributes: printable worksheets

Name and compare quadrilaterals by their sides and angles, find the odd one out and partition shapes into equal parts.

Sample worksheet

The first 2 problems of a real worksheet, made the way the builder makes it. Open it in the builder to change the number of problems, the difficulty and the layout, then print.

Which shape does not belong? Tell why.

Show answers

1.B: it does not have exactly 1 pair of parallel sides; the others have exactly 1 pair of parallel sides.

2.D: it has 5 sides; the others have 3 sides.

What students practise

I can sort and name shapes by their sides, angles and parallel lines.

Students use sides, angles and parallel and perpendicular lines to name, compare and classify two-dimensional shapes, see that a category shares its attributes with every subcategory, and find lines of symmetry.

Key words

quadrilateral: a shape with four straight sides
parallel: lines that stay the same distance apart and never cross
perpendicular: lines that cross to make a right angle
right angle: a square corner
line of symmetry: a fold line that makes the two halves match

Common mistakes

Calls a turned square a diamond and says it is not a square.
Draws or names a line without arrows, as if it were a segment.
Thinks a square cannot also be a rectangle.

Standards

Common Core State Standards this worksheet practises.

3.G.A.1: Understand that shapes in different categories (e.g., rhombuses, rectangles, and others) may share attributes (e.g., having four sides), and that the shared attributes can define a larger category (e.g., quadrilaterals). Recognize rhombuses, rectangles, and squares as examples of quadrilaterals, and draw examples of quadrilaterals that do not belong to any of these subcategories. (unverified)
3.G.A.2: Partition shapes into parts with equal areas. Express the area of each part as a unit fraction of the whole. (unverified)

Before this: Shapes, arrays and equal shares (Grade 2)
Next: Lines, angles and shapes (Grade 4)