
Find the foci of an ellipse
Free printable Algebra 2 math worksheet for "Find the foci of an ellipse" — practice ellipses. No-prep, print or assign online.
This worksheet provides challenging practice for students to find the foci of ellipses from their equations. Teachers can use it to reinforce concepts of ellipse geometry, including the connection between axes lengths and focal points. Ideal for Algebra 2 classes, it supports skill mastery in conic sections and prepares students for advanced math topics.
Learning objectives
- Calculate the coordinates of the foci for ellipses given their standard equations.
- Apply the relationship between the major axis, minor axis, and focal distance to determine foci locations.
- Interpret ellipse equations to distinguish between horizontal and vertical major axes when finding foci.
Answer Key

How to use this worksheet
- Click “Download Worksheet” to get the PDF — free with a KiwiBee account (up to 50 downloads a month).
- Print at home or in class for High School; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
Frequently asked questions
Is the “Find the foci of an ellipse” worksheet free?
Yes. “Find the foci of an ellipse” is a free printable Math worksheet. Sign in with a free KiwiBee account to download the PDF — it includes up to 50 downloads a month.
What grade or age is this Math worksheet for?
It's designed for High School (ages 14–18), covering Ellipses.
Does it come with an answer key?
Yes — a matching answer key is included so you can grade it in seconds.
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