Standard Form: Write Numbers Like a Scientist
Автор: GCSE tutor
Загружено: 2026-02-03
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Standard Form: No more counting endless zeros!
Whether you’re dealing with the distance to a star or the size of a bacteria, Standard Form (or Scientific Notation) is the ultimate shortcut. It’s a guaranteed topic on your GCSE non-calculator paper, and once you master the "Decimal Dance," you’ll never lose marks on it again.
In this video, we break down the rules, show you how to convert in both directions, and even tackle the harder calculations that trip up most students.
🕒 Timestamps:
0:00 - A Typical Exam Question: The "massive number" challenge.
0:19 - What is Standard Form?
0:57 - The Decimal Dance Method: My foolproof way to move the point.
1:56 - Revisiting the Exam Question: Applying the method to get the marks.
2:17 - Converting FROM Standard Form: Turning powers back into "normal" numbers.
2:58 - Calculations in Standard Form: How to multiply and divide without a calculator.
3:45 - CHALLENGE TIME! Test your skills on a Grade 7-9 style question.
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