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.

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

Use these vocabulary cards with the EL Support Lesson: 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.

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

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.

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

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

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

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

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

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.

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

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