geometry worksheets grade 9

9th Grade Geometry Worksheets

9th Grade Math Worksheets: FREE & Printable

Looking for free printable 9th grade Math Worksheets and activities to help your student prepare for the 9th Grade math course? If so, then look no further!

$9th Grade Math Worksheets: FREE & Printable$

Want to measure your 9th-grade student’s knowledge of Math concepts and assess their exam readiness? If so, then look no further. Here is a comprehensive collection of FREE printable 9th grade Math worksheets that would help students in 9th Grade Math preparation and practice.

Download our free Mathematics worksheets for 9th Grade Math.

Hope you enjoy it!

IMPORTANT: COPYRIGHT TERMS: Worksheets may not be uploaded to the internet in any form, including classroom/personal websites or network drives. You can download the worksheets and print as many as you need. You have permission to distribute the printed copies to your students, teachers, tutors, and friends.

You Do NOT have permission to send these worksheets to anyone in any way (via email, text messages, or other ways). They MUST download the worksheets themselves. You can send the address of this page to your students, tutors, friends, etc.

The Absolute Best Book to Ace the 9th Grade Math Test

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Expressions and Equations

Linear Functions

Inequalities and System of Equations

Monomials Operations

Polynomial Operations

Radical Expressions

Rational Expressions

Statistics and Probabilities

9th grade math practice questions, fractions and decimals, real numbers and integers, proportions and ratios, algebraic expressions, equations and inequalities, polynomials, exponents and radicals, solid figures.

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Geometry Worksheets

Welcome to the geometry worksheets page at Math-Drills.com where we believe that there is nothing wrong with being square! This page includes Geometry Worksheets on angles, coordinate geometry, triangles, quadrilaterals, transformations and three-dimensional geometry worksheets.

Get out those rulers, protractors and compasses because we've got some great worksheets for geometry! The quadrilaterals are meant to be cut out, measured, folded, compared, and even written upon. They can be quite useful in teaching all sorts of concepts related to quadrilaterals. Just below them, you'll find worksheets meant for angle geometry. Also see the measurement page for more angle worksheets. The bulk of this page is devoted to transformations. Transformational geometry is one of those topics that can be really interesting for students and we've got enough worksheets for that geometry topic to keep your students busy for hours.

Don't miss the challenging, but interesting world of connecting cubes at the bottom of this page. You might encounter a few future artists when you use these worksheets with students.

Most Popular Geometry Worksheets this Week

$Plotting Coordinate Points$

Learning About Shapes

General use geometry printables including shapes sets and tangrams.

$geometry worksheets grade 9$

The quadrilaterals set can be used for a number of activities that involve classifying and recognizing quadrilaterals or for finding the properties of quadrilaterals (e.g. that the interior angles add up to 360 degrees). The tangram printables are useful in tangram activities. There are several options available for the tangram printables depending on your printer, and each option includes a large version and smaller versions. If you know someone with a suitable saw, you can use the tangram printable as a template on material such as quarter inch plywood; then simply sand and paint the pieces.

Identifying Shapes

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Angle Geometry Worksheets

Angle geometry worksheets for naming angles and angle relationships.

If you are looking for measuring angles worksheets, please look on the Measurement Page

Naming angles

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Angle relationships

$geometry worksheets grade 9$

Coordinate Point Geometry

Coordinate point geometry worksheets to help students learn about the Cartesian plane.

Plotting random coordinate points

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Cartesian Art

$geometry worksheets grade 9$

There are many other Cartesian Art plots scattered around the Math-Drills website as many of them are associated with a holiday. To find them quickly, use the search box.

Coordinate plane distance and area

$geometry worksheets grade 9$

Triangles and Pythagorean Theorem

Worksheets for classifying triangles by side and angle properties and for working with Pythagorean theorem.

Classifying triangles

$geometry worksheets grade 9$

If you are interested in students measuring angles and sides for themselves, it is best to use the versions with no marks. The marked versions will indicate the right and obtuse angles and the equal sides.

Pythagorean Theorem

$geometry worksheets grade 9$

A cathetus (plural catheti) refers to a side of a right-angle triangle other than the hypotenuse.

Quadrilaterals

Worksheets for classifying quadrilaterals.

Classifying quadrilaterals

$geometry worksheets grade 9$

Quadrilaterals are interesting shapes to classify. Their classification relies on a few attributes and most quadrilaterals can be classified as more than one shape. A square, for example, is also a parallelogram, rhombus, rectangle and kite. A quick summary of all quadrilaterals is as follows: quadrilaterals have four sides. A square has 90 degree corners and equal length sides. A rectangle has 90 degree corners, but the side lengths don't have to be equal. A rhombus has equal length sides, but the angles don't have to be 90 degrees. A parallelogram has both pairs of opposite sides equal and parallel and both pairs of opposite angles are equal. A trapezoid only needs to have one pair of opposite sides parallel. A kite has two pairs of equal length sides where each pair is joined/adjacent rather than opposite to one other. A bowtie is sometimes included which is a complex quadrilateral with two sides that crossover one another, but they are readily recognizable. Any other four-sided polygon can safely be called a quadrilateral if it doesn't meet any of the criteria for a more specific classification.

Transformations Worksheets

Transformations worksheets for translations, reflections, rotations and dilations practice.

Here are two quick and easy ways to check students' answers on the transformational geometry worksheets below. First, you can line up the student's page and the answer page and hold it up to the light. Moving/sliding the pages slightly will show you if the student's answers are correct. Keep the student's page on top and mark it or give feedback as necessary. The second way is to photocopy the answer page onto an overhead transparency. Overlay the transparency on the student's page and flip it up as necessary to mark or give feedback.

Translations

$geometry worksheets grade 9$

Also known as sliding, translations are a way to mathematically describe how something moves on a Cartesian plane. In translations, every vertex and line segment moves the same, so the resulting shape is congruent to the original.

Reflections

$geometry worksheets grade 9$

Reflect on this: reflecting shapes over horizontal or vertical lines is actually quite straight-forward, especially if there is a grid involved. Start at one of the original points/vertices and measure the distance to the reflecting line. Note that you should measure perpendicularly or 90 degrees toward the line which is why it is easier with vertical or horizontal reflecting lines than with diagonal lines. Measure out 90 degrees on the other side of the reflecting line, the same distance of course, and make a point to represent the reflected vertex. Once you've done this for all of the vertices, you simply draw in the line segments and your reflected shape will be finished.

Reflecting can also be as simple as paper-folding. Fold the paper on the reflecting line and hold the paper up to the light. On a window is best because you will also have a surface on which to write. Only mark the vertices, don't try to draw the entire shape. Unfold the paper and use a pencil and ruler to draw the line segments between the vertices.

$geometry worksheets grade 9$

Here's an idea on how to complete rotations without measuring. It works best on a grid and with 90 or 180 degree rotations. You will need a blank overhead projector sheet or other suitable clear plastic sheet and a pen that will work on the page. Non-permanent pens are best because the plastic sheet can be washed and reused. Place the sheet over top of the coordinate axes with the figure to be rotated. With the pen, make a small cross to show the x and y axes being as precise as possible. Also mark the vertices of the shape to be rotated. Using the plastic sheet, perform the rotation, lining up the cross again with the axes. Choose one vertex and mark it on the paper by holding the plastic sheet in place, but flipping it up enough to get a mark on the paper. Do this for the other vertices, then remove the plastic sheet and join the vertices with line segments using a ruler.

Dilations and Scale Factors

$geometry worksheets grade 9$

Mixed transformations

$geometry worksheets grade 9$

Constructions Worksheets

Constructions worksheets for constructing bisectors, perpendicular lines and triangle centers.

It is amazing what one can accomplish with a compass, a straight-edge and a pencil. In this section, students will do math like Euclid did over 2000 years ago. Not only will this be a lesson in history, but students will gain valuable skills that they can use in later math studies.

Constructing midpoints and bisectors on line segments and angles

$geometry worksheets grade 9$

Constructing perpendicular lines

$geometry worksheets grade 9$

Constructing triangle centers

$geometry worksheets grade 9$

Three-Dimensional Geometry Worksheets

Three-dimensional geometry worksheets that are based on connecting cubes and worksheets for classifying three-dimensional figures.

Connecting cube structures

$geometry worksheets grade 9$

Connecting cubes can be a powerful tool for developing spatial sense in students. The first two worksheets below are difficult to do even for adults, but with a little practice, students will be creating structures much more complex than the ones below. Use isometric grid paper and square graph paper or dot paper to help students create three-dimensional sketches of connecting cubes and side views of structures.

Classifying 3-dimensional figures

$geometry worksheets grade 9$

Nets of 3D figures .

$geometry worksheets grade 9$

This section includes a number of nets that students can use to build the associated 3D solids. All of the Platonic solids and many of the Archimedean solids are included. A pair of scissors, a little tape and some dexterity are all that are needed. For something a little more substantial, copy or print the nets onto cardstock first. You may also want to check your print settings to make sure you print in "actual size" rather than fitting to the page, so there is no distortion.

Trigonometric Ratios aka SOHCAHTOA

Trigonometric ratios.

$geometry worksheets grade 9$

Trigonometric ratios are useful in determining the dimensions of right-angled triangles. The three basic ratios are summarized by the acronym SOHCAHTOA. The SOH part refers to the ratio: sin(α) = O/H where α is an angle measurement; O refers the length of the side (O)pposite the angle measurement and H refers to the length of the (H)ypotenuse of the right-angled triangle. The CAH part refers to the ratio: cos(α) = A/H where A refers to the length of the (A)djacent side to the angle. The TOA refers to the ratio: tan(α) = O/A.

The Best Free 9th Grade Math Resources

The Best 9th Grade Math Resources, Strategies, and Ideas!

Post By: Anthony Persico

Are you looking for the best free 9th grade math and algebra resources, lesson plans, activity ideas, and worksheets all in one place? The following list shares some of the best, most popular, and free math resources (like free 9th grade math worksheets and answer keys ) for 9th grade teachers and parents for in the classroom, remote learning, and homeschool as well. Enjoy!

Free 9th Grade Math Problems Worksheets

This collection shares over 100 free printable 9th grade math worksheets on topics including order of operations, fractions and decimals, solving equations, and graphing. Plus every worksheet includes a free answer key.

Just scroll through the list of topics, select any one that you want, and click on it to download the pdf file and answer key (yes, it’s that easy!).

》 Access the complete library of free 9th grade math problems worksheets.

Free Lesson Plan: Introduction to Slope

This collection of resources is a simple introduction to graphing lines in y=mx+b form using slope. It includes several examples, practice problems, and an animated video lesson. These resources are perfect for students who are just beginning to learn about solving equations and graphing.

》 Get your free Introduction to Slope resources and video lesson.

10 Super Fun and Engaging Math Riddles for 9th Graders

Some have been around for centuries, while are others are brand spanking new—but all have been selected as the most fun and engaging math riddles for those who love to challenge their problem-solving skills and have fun solving math puzzles. Enjoy!

》 Get your free 10 Math Riddles PDF Worksheet!

Free Step-by-Step Guide: Factor by Completing the Square

This step-by-step tutorial helps students to master factoring by completing the square. It includes several examples, practice problems, and an animated video lesson. These resources are perfect for students who are just beginning to learn about factoring.

》 Get your free Completing the Square lesson resources.

Free 9th Grade Algebra Videos

This free library of fun animated 9th Grade Algebra math videos covers topics ranging from solving basic equations to factoring quadratics and everything in between. These video clips are great for introducing topics, learning from home, and remote teaching.

》 Subscribe to our YouTube channel (free with your Gmail account) to access our complete K-12 math video library.

Free Algebra Puzzles for 9th Graders

Are your ninth grade students getting bored of repetitive worksheets and practice activities? If so, mix up your lesson plans by including these fun math puzzles and activities that feel more like games than actual math practice! They are super fun and great for boosting student engagement. Use them as warm-ups, cool-downs, transitions, exit tickets, and/or homework and extra credit assignments!

》 Looking for more fun math puzzles for 9th grade students? Check out our best-selling 101 Daily Math Challenges for Students in Grades 3-8 workbook

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Solving Absolute Value Equations

This step-by-step guide to solving absolute value equations includes several easy-to-follow examples, an animated video tutorial, and extra practice problems to help your 9th grade students master this challenging topic.

》 Get your free solving absolute value equations lesson materials and step-by-step guide.

Multiplying Polynomials

Learning how to work with polynomials is one of the most important algebra topics, yet it is also a topic that many students greatly struggle with. This complete step-by-step guide shares several easy-to-follow sample problems that gradually increase in difficulty and an animated video tutorial.

》 Get your free multiplying polynomials lesson materials and video tutorial.

Writing Activities for 9th Grade Math

Writing about math helps students to organize their thinking, use key vocabulary, and communicate mathematically—which leads to deep and meaningful understanding.

These structured math writing activities will help your students reap the benefits of writing in the math classroom and provide a serious boost in student engagement!

》 Are you using this awesome strategy for getting your students to write about math?

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10 Examples of Real World Connections in Math

When am I ever going to use math in real life?

Make sure that your ninth graders know that math is everywhere and some of the most interesting and fascinating careers rely heavily on math skills.

》 Share examples of real-world math connections with your students.

Looking for More Awesome 9th Grade Math Resources?

Free Penguin Awareness Day Math Activities for Grades K-8

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Free Printable Math Worksheets for Geometry

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Free Mathematics Tutorials

Geometry problems and questions with answers for grade 9.

Grade 9 geometry problems and questions with answers are presented. These problems deal with finding the areas and perimeters of triangles, rectangles, parallelograms, squares and other shapes. Several problems on finding angles are also included. Some of these problems are challenging and need a good understanding of the problem before attempting to find a solution. Also Solutions and detailed explanations are included.

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9th Grade Geometry Worksheets - TeacherVision
Browse our printable 9th Grade Geometry Worksheets resources for your classroom. Download free today!
9th Grade Math Worksheets: FREE & Printable - Effortless Math
9th Grade Math Practice Questions Fractions and Decimals Simplifying Fractions Adding and Subtracting Fractions Multiplying and Dividing Fractions Adding Mixed Numbers Subtract Mixed Numbers Multiplying Mixed Numbers Dividing Mixed Numbers Comparing Decimals Rounding Decimals Adding and Subtracting Decimals Multiplying and Dividing Decimals
Geometry Worksheets - Math-Drills
This page includes Geometry Worksheets on angles, coordinate geometry, triangles, quadrilaterals, transformations and three-dimensional geometry worksheets. Get out those rulers, protractors and compasses because we've got some great worksheets for geometry!
The Best 9th Grade Math Resources, Strategies ... - Mashup Math
Free 9th Grade Math Problems Worksheets This collection shares over 100 free printable 9th grade math worksheets on topics including order of operations, fractions and decimals, solving equations, and graphing. Plus every worksheet includes a free answer key.
9th Grade Math Worksheets
9th Grade Math Worksheets Find quick and easy math practice for your high school freshmen with our 9th grade math worksheets. Print them to use in your classroom as part of your...
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Geometry Problems and Questions with Answers for Grade 9
Grade 9 geometry problems and questions with answers are presented. These problems deal with finding the areas and perimeters of triangles, rectangles, parallelograms, squares and other shapes. Several problems on finding angles are also included.
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