Unit 7, Lesson 1# Relationships of Angles

Open Up Resources 45 min(s)

In this lesson, students gain hands-on experience composing, decomposing, and measuring angles. Add and subtract angles that form 360 degree, straight and right angles. Prepare one set of pattern blocks for each group of 3-4 students, include blocks consisting of at least 3 yellow hexagons and 6 of each of the other shapes. Students were introduced to angles in grade 4, when they drew angles, measured angles, identified angles as acute, right, or obtuse, and worked with adding and subtracting angles.