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These glossaries are to provide permitted testing accommodations of ELL/MLL students. They should also be used for instruction during the school year.

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Trains students to organize their work for accurate results under pressure

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Trains students to organize their work for accurate results under pressure

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Sine, Cosine and Tangent ... in a Circle or on a Graph.

Sine, Cosine and Tangent

Sine, Cosine and Tangent (often shortened to sin, cos and tan) are each a ratio of sides of a right angled triangle:

For a given angle θ each ratio stays the same
no matter how big or small the triangle is

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Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.

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See Page 33 for a great explanation of why we have Mean, Median, and Mode.

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See Page 33 for a great explanation of why we have Mean, Median, and Mode.

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Chinese Version

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FREE (GCSE and A-Level - not iGCSE specific)

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Maths Genie - Free Online GCSE and A Level Maths Revision

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Maths Genie is a free GCSE and A Level revision site. It has past papers, mark schemes and model answers to GCSE and A Level exam questions.

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PAID (small selection FREE)
iGCSE specific

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Step One: Revise

Every revision guide is written specifically for that syllabus so you only revise what you need to know.

Concise, well-organised notes - written by expert teachers and examiners.

Memorable diagrams - perfect for learning key concepts and processes.

Exam tips - insider info shared by examiners and teachers.

Downloadable PDFs - print the notes and learn offline. Check out a free sample.

These revision notes are a lifesaver - they helped me study the entire IGCSE chemistry syllabus in only a week and I scored an A*!! I love this website!

Charlie, IGCSE Student

Step Two: Test

Test yourself and check your progress using our topic questions, so you know exactly what to expect on exam day.

Tailored questions - for specific GCSE, IGCSE, IB and A Level exams.

70,000+ exam questions - organised by topic and sub-topic.

Downloadable - print off your test and work offline.

Easy, Medium and Hard - challenge yourself as your knowledge improves.

Absolutely loving this website, questions sorted by topic is exactly what I was looking for! Thank you so much!!!!

Thania, A Level Student

Step Three: Improve

Check your results. View the model answer for every question, explained by an expert educator on that subject.

Worked solutions - see all of the necessary steps to a perfect answer.

10,000+ past papers - get even more insight into what to expect from your exams.

Mark schemes - find out exactly what to include to get top marks.

Videos - explaining many answers.

Jenna Quinn: Content

Head of Content

10+ years teaching experience

Francesca Eardley: Science

Head of Science

10+ years teaching experience

Lucy Kirkham: Maths

Head of Maths

12+ years teaching experience

billed at £30/three months

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Step One: Revise Every revision guide is written specifically for that syllabus so you only revise what you need to know. Concise, well-organised notes - written by expert teachers and examiners. Memorable diagrams - perfect for learning key concepts and processes. Exam tips - insider info shared by examiners and teachers.

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PAID (possibly a trial period?)

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The Viewer - shareable links

Exampro weblinks are perfect for all independent tasks.

Share questions with your students easily without printing - just compile your document, save it in the online library then share the generated weblink*.

Watch this 2 minute video to see how to use the Exampro Viewer, and start sharing questions with your department and students.

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Exampro weblinks are perfect for all independent tasks. Share questions with your students easily without printing - just compile your document, save it in the online library then share the generated weblink*. Watch this 2 minute video to see how to use the Exampro Viewer, and start sharing questions with your department and students.

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PAID (FREE trial period)
IB

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An easy-to-navigate user interface with advanced question search and filtering features. Search and sort by:

Create custom examinations using official IB examination questions. You can tailor the examination to fit your needs with the ability to add questions, student instructions or reference notes for yourself.

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An easy-to-navigate user interface with advanced question search and filtering features. Search and sort by: Create custom examinations using official IB examination questions. You can tailor the examination to fit your needs with the ability to add questions, student instructions or reference notes for yourself.

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