I love this "Math Words" card sort activity for my Math & Algebra classes! They always seem to struggle with this concept. The parentheses part is a tip I've never seen described, but always throws kids off
Snowflake Graph and Symmetry Activity for Coordinate Plane Not only do students need to know how to graph line segments in all four quadrants, they will use their symmetry skills to complete the snowflake.
I would use this as a reference sheet for students to be placed int heir math notebook. This sheet will teach and remind students of the representation of tenths and hundredths, outline in the grade TEKS