Math Objectives, Everyday Math, Grade 6
Chapter Five
Lesson 5.1, Measuring and Drawing Angles
To measure and draw angles with a protractor; and to classify angles by size.
Lesson 5.2, Reasoning with Angle Measures
To find angle measures by reasoning with supplementary and vertical angle definitions and with sums of angle measures in triangles and quadrangles.
Lesson 5.3, Using a Protractor to Make Circle Graphs
To calculate the degree measures of sectors of circle graphs; and to use a protractor to draw circle graphs.
Lesson 5.4, Coordinate Geometry
To plot ordered number pairs; to solve problems about polygons on a coordinate grid; and to explore the relationship between endpoints and midpoints.
Lesson 5.5, Isometry Transformations
To review isometry transformations and perform them on geometric figures.
To explore the meaning of congruence; and its connection to isometry transformations; and to use drawing tools to construct congruent figures.
Lesson 5.7, Compass and Straightedge Constructions 1
To construct figures with a compass and straightedge.
Lesson 5.8, Compass and Straightedge Constructions 2
To copy angles and construct perpendicular bisectors; and to solve construction problems.
Lesson 5.9, Parallel Lines and Angle Relationships
To explore relationships between angles formed by parallel lines cut by a transversal; and to find missing measures of angles.
To explore the relationships between angles of parallelograms; and to construct a parallelogram with a compass and straightedge.
Lesson 5.11, Unit 5 Review and Assessment
To review and assess students' progress on the material covered in Unit 5.
Chapter Five Vocabulary
5.1 right angle, straight angle, reflex angle, acute angle, obtuse angle
5.2 supplementary angles, vertical (opposite) angles, adjacent angles
5.3 sector
5.4 ordered number pair, rectangular coordinate grid, origin, axis, coordinate, midpoint
5.5 transformation, reflection (flip), translation (slide), rotation (turn), transformational geometry, image, preimage, isometry transformation, line of reflection
5.6 congruent, corresponding sides, corresponding angles, rough sketch, accurate drawing
5.7 compass and straightedge construction, anchor (of a compass), concentric circles
5.8 perpendicular, bisect, perpendicular bisector, inscribe
5.9 parallel lines, parallel line segments, skew lines, transversal
5.10 consecutive angles