Free Printable 9th Grade Geometry Worksheets
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Geometry Vocabulary: Similar Figures and Triangles
Printable 9th grade geometry vocabulary worksheet with eight matching questions on similar figures, triangle theorems, and transformations.
Triangle Centers: Collaborative Worksheet
Geometry worksheet for Grades 9–12: four-part collaborative activity on triangle centers—medians, altitudes, angle bisectors, and perpendicular bisectors.
Similarity Vocabulary
Printable geometry vocabulary matching worksheet for Grades 9–12 covering similarity terms including scale factor, dilation, congruent figures, and corresponding angles.
Geometry Definitions and Angle Concepts
Printable geometry worksheet for Grades 9–10 with 17 definition and short-answer questions on angles, triangles, and polygons.
Parallel Lines and Converses Study Guide
Printable 9th grade geometry study guide with vocabulary definitions for parallel lines, planes, skew lines, transversals, and four angle converses.
Cone Problems Practice
Printable 9th grade geometry worksheet with three word problems on cones covering volume, lateral surface area, and total surface area calculations.
Cone Practice Problems
Printable 9th grade geometry worksheet with three problems on cone volume, surface area, lateral surface area, and radius calculations.
Cylinder Problems Practice
Printable 9th grade geometry worksheet with five problems on cylinders, covering volume, surface area, radius, and height calculations.
Quadrilateral Properties
Printable geometry reference sheet for Grades 7–9 covering definitions of quadrilaterals: rectangles, trapezoids, rhombuses, and squares.
Rigid Transformations Game (Desmos)
Printable 9th grade geometry activity using Desmos where students practice rigid transformations through a competitive golf-themed game with nine holes.
Geometry Vocabulary Word Scramble
Printable geometry word scramble for Grades 9–12: unscramble 16 geometry terms including angle, perpendicular, protractor, and vertex.
Area and Perimeter Formulas
Printable geometry reference and matching worksheet for Grades 7–10 covering area and perimeter formulas for squares, rectangles, triangles, circles, and other shapes.
Geometry Chapters 1–8 Key Terms Review
Printable geometry vocabulary review for Grades 9–12 covering key terms from chapters 1–8: points and lines, angles, triangles, polygons, tessellations, area, volume, and trigonometry.
Prisms and Pyramids: Volume and Surface Area
Printable math reference sheet on prisms and pyramids for Grades 6–10: types, formulas for volume and surface area of triangular, rectangular, pentagonal, and hexagonal prisms and pyramids.
Geometry Vocabulary: Introduction
Printable 9th grade geometry vocabulary worksheet with 10 fill-in-the-blank items on foundational geometry terms and definitions.
Geometry Vocabulary and Diagrams
Printable geometry worksheet for Grades 8–12 with fill-in-the-blank definitions and diagram-sketching exercises covering angles, triangles, circles, and planes.
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