Recommended Lessons

Not sure where to start? These are the lessons and games we recommend most to students, parents and teachers on Basic-mathematics.com. Each lesson explains the topic in plain language, walks you through worked examples step by step, and ends with practice so you can check your understanding. Pick one below, or use the menu to find lessons on fractions, algebra, geometry, statistics and more.

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Geometry WorksheetsGenerators and Printable PDFs with Answer Keys

Make free geometry worksheets on angles, polygons, quadrilaterals, symmetry, area, and the Pythagorean theorem. Every generator makes new problems with an answer key, and the ready-to-print PDFs below are there when you need a worksheet right now.

  • 5worksheet generators
  • 58types of worksheets
  • 10PDF worksheets
  • Freeno sign-up

Angles, Polygons, and Symmetry

Learn the names of angles and shapes, measure and classify them, and find lines of symmetry.

Grades 4–8Angles WorksheetsName, classify, estimate, measure, and draw angles with a protractor, then find missing angles and solve for x.
  • Parts of an angle
  • Acute, right, obtuse
  • Protractor
  • Complementary & supplementary
  • Vertical angles
  • Parallel lines
  • Solve for x
Open the generator Grades 3–8Quadrilaterals and PolygonsIdentify and name polygons, classify triangles and quadrilaterals, and find missing angles with the angle sum.
  • Polygon or not?
  • Name the polygon
  • Regular, convex
  • Classify triangles
  • Name quadrilaterals
  • True or false
  • Missing angles
Open the generator Grades 2–5Symmetry WorksheetsFind lines of symmetry and rotational symmetry in shapes, everyday objects, and letters, then complete and reflect drawings on a grid.
  • Is it symmetrical?
  • Lines of symmetry
  • Rotational symmetry
  • Complete the picture
  • Reflect on a grid
Open the generator

Area and Right Triangles

Find the area of shapes from counting squares to circles, and use the Pythagorean theorem to find missing sides.

Grades 3–7Area WorksheetsFrom counting unit squares to the area of triangles, trapezoids, circles, composite shapes, and shaded regions.
  • Count squares
  • Rectangles & squares
  • Triangles
  • Parallelograms
  • Trapezoids
  • Circles
  • Composite shapes
  • Word problems
Open the generator Grades 8–10Pythagorean TheoremFind the hypotenuse or a missing leg, test the converse, and solve distance, shape, and word problems.
  • Parts of a right triangle
  • Find the hypotenuse
  • Find a leg
  • Converse
  • Distance formula
  • Rectangles & boxes
  • Word problems
Open the generator

Ready-to-Print Geometry Worksheets

Need a worksheet right now? These fixed geometry worksheets are ready to print, with no settings to choose. For new problems every time, use the generators above.

Area of Rectangles and Triangles (PDF)

Six PDF worksheets, each with its own answer key.

Area of rectangles worksheet 1Area of rectangles #1Find the area of each rectangle.PDFAnswers
Area of rectangles worksheet 2Area of rectangles #2Find the area of each rectangle.PDFAnswers
Area of rectangles worksheet 3Area of rectangles #3Find the area of each rectangle.PDFAnswers
Area of rectangles worksheet 4Area of rectangles #4Find the area of each rectangle.PDFAnswers
Area of triangles worksheet 1Area of triangles #1Find the area of each triangle.PDFAnswers
Area of triangles worksheet 2Area of triangles #2Find the area of each triangle.PDFAnswers

Symmetry (PDF)

Three line symmetry worksheets and one rotational symmetry worksheet, each with an answer key.

Lines of symmetry worksheet 1Lines of symmetry #1Draw all the lines of symmetry.PDFAnswers
Lines of symmetry worksheet 2Lines of symmetry #2Draw all the lines of symmetry.PDFAnswers
Lines of symmetry worksheet 3Lines of symmetry #3Draw all the lines of symmetry.PDFAnswers
Rotational symmetry worksheetRotational symmetryFind the order of rotational symmetry.PDFAnswers

Printable Worksheet Pages

Open the page and print the worksheet from your browser.

Angle VocabularyMatch each angle word from the word box to its definition.Print the worksheet → An acute angleClassify AnglesLabel each angle as acute, right, obtuse, or straight.Print the worksheet → An acute angle to name and labelNaming and Labeling AnglesName the vertex and sides, and write four names for each angle.Print the worksheet → The different types of trianglesTriangle VocabularyName the different types of triangles by their sides and angles.Print the worksheet → Define and Identify PolygonsUse the word box to define and name polygons.Print the worksheet →

Want a different set of problems? Every generator above makes a brand-new worksheet with an answer key in one click.

What Every Worksheet Generator Includes

All five geometry worksheet generators work the same way.

  • An answer key for every worksheetPrinted on its own page, so students never see the answers.
  • New problems every timeClick "New worksheet" for a fresh set of shapes and problems.
  • A worksheet codeEnter the same code later to get the exact same worksheet back.
  • Share with a linkSend another teacher or a parent the same problems.
  • Print or save as PDFClear drawings that print sharp on any printer.
  • Color or black and whiteTurn colors off to save ink.

How It Works

Make a new geometry worksheet in three steps.

  1. Choose a topicOpen a worksheet page and pick what you want to practice, such as measuring angles, naming quadrilaterals, or the area of a circle.
  2. Set it up your wayChoose the number of problems, the type of numbers, and options like units, rounding, or answer format.
  3. Print the worksheet and answer keyPrint or save as a PDF. Click "New worksheet" any time for fresh problems.
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