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Claim Evidence Reasoning Generator Claim Evidence Reasoning Organizers

Learn the CER framework and build a clear claim, evidence, and reasoning organizer in seconds. Perfect for science labs and ELA writing. Print as a worksheet or share digitally.

Labeled Claim, Evidence and Reasoning boxesScience and ELA writing supportClassic, colorful and minimal stylesFree for teachers and studentsLast updated: 2026-07-01

Claim Evidence Reasoning Examples

Browse CER organizers made with Figviz, or generate your own above

Claim Evidence Reasoning Organizer

A classic CER organizer with three stacked boxes labeled Claim, Evidence, and Reasoning, each with writing lines so students can build a complete written response.

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Blank CER Template

A clean blank CER template with three empty boxes labeled Claim, Evidence, and Reasoning, ready to print and fill in by hand or annotate digitally.

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CER Science Organizer

A worked science example that shows how to answer a lab question, with the claim, data evidence, and scientific reasoning filled into each labeled box.

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Color Coded CER

A color coded CER organizer that gives Claim, Evidence, and Reasoning each a distinct soft color, helping students see the three parts at a glance.

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CER Sentence Starters

A CER organizer with sentence starters printed inside each box, giving students helpful stems to begin their claim, evidence, and reasoning.

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CER Worksheet

A printable CER worksheet with a question prompt at the top and labeled Claim, Evidence, and Reasoning sections with writing lines for a full response.

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Prompt templates you can copy

Start with one of these examples, then adapt the subject, labels, data, or layout for your own use.

Claim Evidence Reasoning Organizer

A classic CER organizer with three stacked boxes labeled Claim, Evidence, and Reasoning, each with writing lines so students can build a complete written response.

Create a colorful claim evidence reasoning organizer. Three stacked boxes top to bottom labeled CLAIM, EVIDENCE, and REASONING, each with a short label and ruled writing lines. Bold heading at the top. White background.

Blank CER Template

A clean blank CER template with three empty boxes labeled Claim, Evidence, and Reasoning, ready to print and fill in by hand or annotate digitally.

Create a clean blank claim evidence reasoning template. Three empty boxes stacked top to bottom labeled CLAIM, EVIDENCE, and REASONING, each with ruled lines for writing. Minimal color borders and generous white space. White background.

CER Science Organizer

A worked science example that shows how to answer a lab question, with the claim, data evidence, and scientific reasoning filled into each labeled box.

Create a colorful claim evidence reasoning science organizer for a lab about whether plants grow taller in sunlight. Three stacked boxes labeled CLAIM, EVIDENCE, and REASONING, each filled with a short example sentence and measurement. Clear labels and headings. White background.

Color Coded CER

A color coded CER organizer that gives Claim, Evidence, and Reasoning each a distinct soft color, helping students see the three parts at a glance.

Create a color coded claim evidence reasoning organizer. Three stacked boxes labeled CLAIM, EVIDENCE, and REASONING, each in a different soft color with matching labels and ruled writing lines. Bright and friendly classroom style. White background.

What is claim evidence reasoning (CER)?

Claim evidence reasoning, often shortened to CER, is a three-part framework that helps students write a clear, well-supported response to a question. It is used across science and English language arts to build argument writing skills. A CER response has three parts: a claim that answers the question, evidence that supports the claim with data or facts, and reasoning that explains how the evidence connects back to the claim using scientific principles or logic. A CER graphic organizer lays out these three parts in labeled boxes so students can plan their thinking before they write. Figviz turns any question or topic into a finished CER organizer in seconds, so you can skip the drawing and focus on the writing.

The three parts of a CER response

Claim: a clear statement that directly answers the question or solves the problem. A strong claim is a single sentence that takes a position, for example "The sugar dissolved faster in hot water."
Evidence: the data, facts, or observations that support the claim. Evidence should be specific and measurable, such as numbers from an experiment, a quotation from a text, or a recorded observation.
Reasoning: the explanation that ties the evidence back to the claim. Reasoning answers "why does this evidence prove my claim?" by using scientific principles, rules, or logical connections that the reader may not already know.

A claim evidence reasoning example

Imagine a science question: "Does temperature affect how fast sugar dissolves?" A student runs an experiment and writes a CER response. Claim: "Sugar dissolves faster in warmer water." Evidence: "In the experiment, sugar fully dissolved in 30 seconds in water at 60 degrees Celsius, but took 90 seconds in water at 20 degrees Celsius." Reasoning: "Warmer water has more thermal energy, so its molecules move faster and collide with the sugar more often, which breaks the sugar apart more quickly." The claim answers the question, the evidence gives measured data, and the reasoning uses a scientific principle to explain why the evidence supports the claim. That is a complete CER.

CER sentence starters for each part

Claim starters: "My claim is...", "The data shows that...", "I found that...", "The answer to the question is..."
Evidence starters: "The evidence for this is...", "According to my data...", "In the text it states...", "During the experiment I observed..."
Reasoning starters: "This evidence supports my claim because...", "This happens because...", "The scientific principle behind this is...", "This shows that... because..."
Encourage students to use transition words like "because", "therefore", and "as a result" in the reasoning section to make the logic clear.

How to make a CER organizer with Figviz

Enter your question or topic: type the prompt students are answering, for example "Does temperature affect how fast sugar dissolves?" or "Was the narrator a reliable character?"
Add detail: mention the subject, science or ELA, the grade level, and whether you want sentence starters printed inside the boxes.
Pick a style: Classic keeps things simple, Colorful uses bright color-coded boxes that catch students' eyes, and Minimal works well for clean digital worksheets.
Choose what to include: ask for a blank template to fill in, a color coded version, or a worked example with sample answers.
Generate and refine: click Generate CER Organizer, then adjust your description and regenerate until the Claim, Evidence, and Reasoning boxes match your lesson.
Download and print: export at 4K resolution for a crisp worksheet or poster, or save the PNG for digital assignments.

Frequently asked questions

Claim evidence reasoning, or CER, is a three-part framework for writing a supported response. The claim answers the question, the evidence supports it with data or facts, and the reasoning explains how the evidence proves the claim using scientific principles or logic. It is widely used in science and ELA to teach argument writing.

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