Reviews the characteristics of lines, lines segments, and rays, and presents questions for additional practice. Questions include hints.

Classify shapes based on pictures or attributes, such as angle types and side-lengths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice identifying triangles by their angles as acute, right, or obtuse. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice identifying triangles by their side-lengths as equilateral, isosceles, or scalene. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Look at the properties of 2D shapes to see which shapes can belong to the same group. Includes hints.

After reviewing the properties of different quadrilaterals, students answer questions about each type.