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4th Grade Geometry
Classifying and Measuring Angles
Welcome to the Math Salamanders 4th Grade Geometry worksheets.
Here you will find a range of printable fourth grade geometry worksheets,
which will help your child to learn to classify and measure angles using a protractor.
There are also some worksheets which explore the properties of a range of 2d shapes.
Try our NEW quick quiz at the bottom of this page to test your skills online.
4th Grade Geometry
On this webpage you will find our range of free printable geometry worksheets for 4th graders.
There is a range of printable geometry sheets, looking at angles in a variety of forms such as right angles, acute, obtuse and reflex angles.
Using these sheets will help your child to:
- learn how to classify an angle - right, acute, obtuse, reflex;
- learn how to measure angles accurately with a protractor;
- classify different types of triangles - acute, obtuse and right;
- know that angles in a triangle must add up to 180°
Classifying Angles
Triangle Classification
Angle Measuring
Exploring Deeper Section
The worksheets here involve children applying their knowledge and understanding about 2d shapes.
They are a great way to stretch the more able learners, or get children to think hard about the properties shapes have.
Although the sheets in this section are aimed at 4th grade, they could easily be used by older children.
The first three sheets are in our 3rd Grade Geometry section.
There are UK versions of these sheets due to the different definitions of trapezoid and trapezium!
Looking for some easier Geometry Worksheets
Here is a range of free geometry worksheets for 3rd graders.
Using these sheets will help your child to:
- recognize and identify a range of 2d and 3d shapes;
- recognise and identify right angles and lines of symmetry;
- recognise and identify parallel lines;
- identify the faces, edges and vertices of 3d shapes;
The sheets in this section are at a simpler level than those on this page.
Looking for some harder Geometry Worksheets
Here is our selection of 5th grade Geometry worksheets about angles.
Using these sheets will help your child to:
- learn how to find a missing angle;
- know that angles inside a right angle must add up to 90°
- know that angles on a straight line must add up to 180°
- know that angles around a point must add up to 360°
- know that angles in a triangle must add up to 180°
The sheets in this section are at a more advanced level than those on this page.
More Recommended Math Worksheets
Take a look at some more of our worksheets similar to these.
Area & Perimeter Worksheets 3rd and 4th grade
Here is our range of area and perimeter worksheets.
Using these sheets will help your child to:
- know what area and perimeter are;
- know how to find the area and perimeter of rectangles;
- know how to find the area and perimeter of rectilinear shapes;
All the sheets in the section below support elementary math benchmarks.
Classifying Angles and Triangles Online Quiz
This quick quiz tests your knowledge of angles and types of triangle.
The link below will open the quiz in a dedicated quiz page or you can preview a copy of the quiz underneath.
Our quizzes have been created using Google Forms.
At the end of the quiz, you will get the chance to see your results by clicking 'See Score'.
This will take you to a new webpage where your results will be shown. You can print a copy of your results from this page, either as a pdf or as a paper copy.
For incorrect responses, we have added some helpful learning points to explain which answer was correct and why.
We do not collect any personal data from our quizzes, except in the 'First Name' and 'Group/Class' fields which are both optional and only used for teachers to identify students within their educational setting.
We also collect the results from the quizzes which we use to help us to develop our resources and give us insight into future resources to create.
For more information on the information we collect, please take a look at our Privacy Policy
We would be grateful for any feedback on our quizzes, please let us know using our Contact Us link, or use the Facebook Comments form at the bottom of the page.
Classifying Angles and Triangles Online Quiz
Fun Quiz Fact
- The question with the fewest correct answer is Question 9) Select all of the isosceles triangles.
- This was answered correctly by only 20% of students.
- Can you get it right?
How to Print or Save these sheets 🖶
Need help with printing or saving?
Follow these 3 steps to get your worksheets printed perfectly!
How to Print or Save these sheets 🖶
Need help with printing or saving?
Follow these 3 steps to get your worksheets printed perfectly!
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Math-Salamanders.com
The Math Salamanders hope you enjoy using these free printable Math worksheets and all our other Math games and resources.
If you have any questions or need any information about our site, please get in touch with us using the 'Contact Us' tab at the top and bottom of every page.
