
Identify rectangles
Free printable Grade 4 math worksheet for "Identify rectangles" — practice quadrilaterals. No-prep, print or assign online.
This worksheet challenges Grade 4 students to identify rectangles within a set of quadrilaterals by analyzing their angles and side lengths. Teachers can use this resource to reinforce geometric reasoning and shape classification skills. Ideal for enhancing students' understanding of quadrilateral properties and preparing them for more advanced geometry topics.
Learning objectives
- Identify rectangles among various quadrilaterals based on their properties
- Differentiate rectangles from other four-sided shapes using angles and side lengths
- Classify quadrilaterals by recognizing the defining features of rectangles
Answer Key

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 Grade 4; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
Frequently asked questions
Is the “Identify rectangles” worksheet free?
Yes. “Identify rectangles” 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 Grade 4 (ages 9–10), covering Quadrilaterals.
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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