Triangle inequality
Free printable Grade 6 math worksheet for "Triangle inequality" — practice two-dimensional figures. No-prep, print or assign online.
This worksheet focuses on the triangle inequality theorem, challenging students to evaluate side lengths and determine the possibility of triangle formation. Teachers can use this resource to reinforce geometric reasoning and critical thinking in middle school math classes. Ideal for Grade 6, it supports lessons on two-dimensional figures and enhances problem-solving skills with a focus on triangle properties.
Learning objectives
- Apply the triangle inequality theorem to determine if three side lengths can form a triangle
- Analyze sets of side lengths to verify the validity of triangles using inequality rules
- Solve problems involving two-dimensional figures by interpreting and applying the triangle inequality
How to use this worksheet
- Click “Download Worksheet” to get the PDF — free with a KiwiBee account (up to 25 downloads a month).
- Print at home or in class for Middle School; it's no-prep, with no extra materials needed.
- Hand it out as classwork, homework, or a quick warm-up.
Frequently asked questions
Is the “Triangle inequality” worksheet free?
Yes. “Triangle inequality” is a free printable Math worksheet. Sign in with a free KiwiBee account to download the PDF — it includes up to 25 downloads a month.
What grade or age is this Math worksheet for?
It's designed for Middle School (ages 11–14), covering Two-dimensional figures.
Do I need to prep anything?
No. It's a no-prep, print-and-go worksheet — just download and hand it out.
Make it your own in the Worksheet Studio
Combine this with other worksheets, duplicate it, or generate a fresh version for any grade and language — free, no sign-up.
Open the Worksheet StudioMore for Middle School
You might also like
Triangle inequality
Fractions Board Game — Middle School | Free Classroom Game
Fractions Memory Match — Middle School | Free Classroom Game
Graph triangles and quadrilaterals
