Geometry Flash Cards

Learn geometric shapes and terms with their definitions.

Free geometry flash cards with 10 terms and definitions. Flip through each card to study, or shuffle for a new order. Printable for classroom or homework use.

Geometry Terms and Definitions

POLYGON
Closed shape with straight sides
RADIUS
Distance from center to edge of a circle
PARALLEL
Lines that never intersect
PERIMETER
Total distance around a shape
DIAMETER
Line passing through the center of a circle
SYMMETRY
Balanced arrangement on both sides of a line
ANGLE
Space between two intersecting lines
VERTEX
Point where two lines or edges meet
AREA
Amount of space inside a flat shape
CONGRUENT
Identical in shape and size

About Geometry

Geometry is the branch of mathematics that deals with shapes, sizes, and the properties of space. These flash cards help students connect geometric terms with clear definitions, building the spatial reasoning skills that are essential for higher math.

Geometry Vocabulary

These flash cards pair geometry terms with their definitions. Students flip cards to learn terms like POLYGON (a closed shape with straight sides), RADIUS (the distance from center to edge of a circle), and PARALLEL (lines that never intersect).

How to Use These Flash Cards in Class

After studying with these flash cards, give students a geometry scavenger hunt around the classroom or school. Have them find real-world examples of each shape or concept and photograph or sketch them. This connects abstract terms to tangible objects.

Printable Geometry Flash Cards

Click the print button to print these geometry flash cards. The printable version lists all terms and definitions, perfect for classroom handouts or homework.

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