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A key characteristic of trapezoids is that they have a set of parallel lines—lines that never intersect. Use this helpful geometry resource with your students to practice identifying parallel lines in trapezoids and comparing different 2-D shapes.

Trapezoids and Parallel Lines

Use this glossary with the EL Support Lesson: Geometry Vocabulary: Lines.

Glossary: Geometry Vocabulary: Lines.

Use these vocabulary cards with the EL Support Lesson: Geometry Vocabulary: Lines.

Vocabulary Cards: Geometry Vocabulary: Lines

Kids get to know shapes better by counting their line segments, endpoints, and angles, and record the info in this handy chart.

Shape Basics: Lines, Endpoints, and Angles

4 lines make a quadrilateral! Help your child make various shapes with the dots in this worksheet.

Making Quadrilaterals

Kids can let their imaginations fly on this complete-the-picture drawing page. Kids fill in the missing lines to make the pictures whole.

Picture Imagination #1

Show your child that shapes are more than just lines on a page with this worksheet that challenges him to find all the shapes in the picture.

Shapes in Pictures: My Kind of Town

Want to breathe a little color into your geometry lesson? Help students understand lines of symmetry by having them identify and decorate symmetrical butterflies. The end result will be beautiful!

Symmetrical Butterflies

Build your students' confidence in geometry by practicing shape identification, division, and measurement. Using this printable worksheet, children will draw lines on shapes to divide them into equal quarters.

Dividing Shapes

This is a great activity to assess your students’ understanding of geometry and fractions! Students will draw lines to divide various shapes into equal shares and then color in a portion to match the given fractions.

Fractions as Equal Shares

Symmetry is all around us, even in the letters we use in the English language! Use this fun geometry exercise with your students to give them practice identifying and drawing lines of symmetry.

Alphabet Symmetry

In this worksheet, learners will find and draw a line of symmetry on nine shapes.

Draw a Line of Symmetry

Use this year-end assessment to check students’ grasp of key fourth grade geometry concepts.

Math Review Part 3: Geometry Galore!

Use this worksheet to help students describe and create trapezoid patterns.

Trapezoid Patterns

Get your kindergartener's creativity flowing. The pictures on this worksheet are all unfinished, and it's up to him to fill them in!

Picture Imagination #2

Kids learn about symmetry in this fun 2nd grade geometry worksheet by drawing the other half of each picture to make a symmetrical shape.

Symmetry: Complete the Shape 3

In this 3rd grade geometry worksheet, your child will complete each polygon using a ruler, then identify what type of polygon it is.

Polygons: Name that Shape

Help your child understand the concept of symmetry with this 2nd grade math worksheet. He'll draw the other half of each shape to make each one symmetrical.

Symmetry: Complete the Shape

This 2nd grade geometry worksheet helps kids grasp the concept of symmetry by asking them to complete the other half of a symmetrical shape.

Symmetry: Complete the Shape 2

This worksheet will introduce your child to the three types of triangles: the equilateral triangle, the isosceles triangle and the scalene triangle.

Three Types of Triangles 

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