Gcse Maths Ocr Apr 2026

Most exam boards teach the Quadratic Formula. OCR teaches that too, but they also worship (the "trial and error" method).

In fact, the OCR specification is the closest thing you have to a real-life "cheat code" for understanding the modern world. And the scariest part? You carry the evidence in your pocket every single day.

If you calculate the volume of a sphere as 113.1 cm³ (using 3.14 for π), OCR might give you 0 marks. Why? Because the true answer is 36π cm³ . By rounding, you introduced an error. OCR wants the truth , not the decimal. Gcse Maths Ocr

"An iPhone 15 has a diagonal of 6.1 inches and an aspect ratio of 19.5:9. Find the height of the screen." To solve this, you must use Pythagoras: (19.5x)² + (9x)² = (6.1)². You end up with 461.25x² = 37.21. The answer involves √461.25 – a surd.

This makes OCR feel harder—because it is purer. It forces you to think like a mathematician, not a calculator. Most exam boards teach the Quadratic Formula

Consider (that nasty topic with √2 and √3). Most syllabi teach you to simplify them. OCR, however, loves to hide surds inside the Pythagoras theorem questions about phone screens.

They know that √2 is exactly 1.41421356... but they keep it as √2 just to be safe. And the scariest part

Because OCR is teaching you that phone manufacturers, architects, and engineers love irrational numbers. Without surds, your screen would be a square. OCR is the exam board that admits maths is rarely a "nice, round number."