This colorful worksheet asks your fourth grade geometry detective to practice identifying right triangles.

Let your fourth grader play triangle detective: can she spot the acute triangles on this worksheet?

Is your fourth grader reluctant to practice geometry? This colorful worksheet, which explores obtuse triangles, may be just what he needs!

Use this resource to help your students develop their understanding of trapezoids and other two-dimensional shapes. Students will compare the attributes of trapezoids to those of other plane figures, such as triangles and ovals, in this geometry activity.

Give your students a chance to sort polygons into categories that make sense to them.

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

Practice identifying parallel and perpendicular lines in the context of 2D shapes with this fourth-grade geometry worksheet!