Lines and shapes
Parallel and perpendicular are relationships, not decorations on a square. Students identify and draw parallel and perpendicular lines, list square and rectangle facts, and complete a symmetric figure.
Specification · for a parent or teacher
- lines-symmetry-quadrilaterals
- Advanced Math 4 · Unit 16
- Shapes
- 1 of 4 — Grade 4 fluency. One idea, one step.
- 3 items
Students can
identify and draw parallel and perpendicular lines; list square and rectangle facts (right angles, equal / opposite sides, diagonals); complete a symmetric figure.
Ready when
they can draw a rectangle that is not a square, mark parallel sides, and draw one line of symmetry.
Watch for
“a rectangle is not a square” treated as “a square is not a rectangle.”