4.7 Unit Overview

Explore angle measurements, parallel and perpendicular lines, and symmetry as attributes of shapes.

By Amplify Classroom

Grades: 4th Grade

Subject: Math

Learning goals: Unit at a Glance Sub-Unit 1: Points, Lines, Segments, and Rays (Lessons 1–4) • Draw and identify points, lines, rays, segments, and parallel and intersecting lines in geometric figures. Sub-Unit 2: Angles and Angle Measurement (Lessons 5–11) • Measure angles using a protractor as well as operations, and draw angles with given measurements. • Classify angles as acute, right, obtuse, or straight. Sub-Unit 3: Attributes of Shapes (Lessons 12–18) • Classify triangles and quadrilaterals based on the properties of their side lengths and angles. • Identify and draw lines of symmetry in two-dimensional figures.