Shape Blueprint Anchor Chart
Shape Blueprint
Identifying Parallel, Perpendicular, and Right Angles
Parallel
Sides that never cross
Perpendicular
Lines meet at 90°
Right Angle
90° "Square corner"
Tick Marks
Sides are equal length
The 4-Right-Angle Crew
SQUARE
4 Right Angles
4 Equal Sides
RECTANGLE
4 Right Angles
Opposite Sides Equal
Slanted Specialists
PARALLELOGRAM
2 Pairs Parallel Sides
0 Right Angles
RHOMBUS
4 Equal Sides
2 Pairs Parallel Sides
Mixed Polygons
Trapezoid
At Least 1 Pair Parallel
Varying Angles
Hexagon
3 Pairs Parallel Sides
6 Equal Sides
Triangle Territory
RIGHT TRIANGLE
1 Right Angle
(Perpendicular Sides)
Isosceles
2 Equal Sides
No Parallel Sides
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Shape Inspector Checklist
Matching arrows? Sides are PARALLEL.
Square corner? It's a RIGHT ANGLE.
Meet at 90°? Lines are PERPENDICULAR.