Last updated: September 4, 2026
High School (9-12). Monday through Friday, for every class.
High School (9-12) · Reading
1.Which is the best main idea for a passage about exercise benefits?
2.What is the difference between a topic and a main idea?
3.Explain how the thesis statement of an essay relates to the main idea of individual paragraphs.
If you teach reading, you already know how long it takes to write fair, clear items from scratch. AI accelerates the first pass — you refine for your classroom, your pacing, and your district expectations.
Main Idea shows up across units and standards; having ready-made worksheet drafts helps you differentiate for small groups, homework, and review days without rebuilding the same layout every time.
Use the preview above as a sample of what you can create: real main idea prompts, varied formats, and an answer key you can print on a separate page. Everything is editable before you download.
This page is built around main idea worksheets for High School (9-12). Porosheets generates structured questions, spacing, and headings so you spend less time formatting and more time teaching.
A real lesson generated in under 20 seconds
Worked example
Lily has a pizza that is cut into 8 equal slices. She eats 3 slices. What fraction of the pizza does she have left?
Sam has a chocolate bar divided into 4 equal parts. If he eats 1 part, what fraction of the chocolate bar is left?
If Maria has 10 apples and gives away 2 to her friend, what fraction of the apples does she have left?
What is ?
Carter baked a pie and cut it into 6 slices. If he ate 2 slices, what fraction of the pie is left?
Emma has 3/4 of a yard of ribbon. She uses 1/4 yard for a project. What fraction of the ribbon does she have left?
A recipe requires cup of sugar. If you only add cup, what fraction of the sugar is still needed?
A tank is full of water. If of it is used for watering plants, how much of the tank is left full? (Hint: subtract fractions)
A farmer harvested of his crops. If he sold of what he harvested, what fraction of the crops does he still have?
If a car's gas tank can hold 1 full tank and it's currently filled to , how much more gas is needed to fill the tank? (Explore how to subtract fractions)
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Divide fractions
Math 7 · Divide fractions
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Math 7
Multiply fractions
Science 8
Lab safety
Tue 18 · today
Math 7
Divide fractions
ELA 7
Claim and evidence
Wed 19
Math 7
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ELA 7
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Type
Lesson
Prompt
Quiz
Divide fractions
Math 7
After you generate
PDF and a share link when you are ready. Support, Advanced, easier, harder, or a translation, without cloning the whole lesson.
Divide fractions
Worksheet · Grade 7
1. 3/4 ÷ 2 =
2. A ribbon is 5/6 m long. Cut it into 3 equal pieces.
Curriculum
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38 curriculums, from Common Core to Ontario
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Math 7 · 2026-27
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Common mistakes
Specific errors to watch for when reviewing student work — pulled from classroom research and teacher reports.
Choosing a detail instead of the main idea.
What to teach instead: A detail supports the main idea; it doesn't capture the whole text.
Selecting a topic too broad to be the main idea.
What to teach instead: The main idea is more specific than the general topic — it's a complete thought about it.
Assuming the title is always the main idea.
What to teach instead: Titles hint at the topic; the main idea is built from the body of the text.
Key vocabulary
A short glossary of core vocabulary you can drop into any worksheet, quiz, or study guide.
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