Note: This is for the newest edition of Go Math in 2023. Please look at the lessons to make sure they align with your program. The older edition is also available. This is a worksheet with a review of the lesson 14.1 in the 3rd grade Go Math series: Explore Lines, Rays, and Angles. Can also be used as a quiz, formative assessment, or homework. Answer Key is included. ★Find the whole chapter here!