Fourth grade goals:
Draw points, lines, line segments, rays, angles, and perpendicular and parallel lines.
Identify points, lines, line segments, rays, angles, and perpendicular and parallel lines in shapes.
Classify shapes based on their parallel/perpendicular lines and specific angles.
Identify shapes with lines of symmetry.
Draw lines of symmetry.
When students enter fourth grade:
Students should be able to identify shapes such as rhombuses, rectangles, etc.
Students should be able to explain what makes a shape a quadrilateral.
How we teach it:
Vocabulary:
point
line
line segment
ray
right angle
acute angle
obtuse angle
straight angle
reflex angle
perpendicular
parallel
symmetry
right triangle
tri-
quad-
penta-
hexa-
hepta-
octa-
nona-
deca-
regular polygons
Practice Online: