Blog
Short, practical posts about working accurately: the calculator habits that cost marks, and the ones that save them.
Calculator Mistakes That Cost Marks
Six ways a calculator hands you a confident wrong answer.
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Estimating Before You Calculate
A two-second habit that catches most input errors.
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Why Chromebooks Need Browser Tools
Locked-down devices, and the software that still works on them.
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Reading a Question Before Solving It
Most lost marks are comprehension, not arithmetic.
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What This Is For
The guides explain how the maths works. These posts are about everything around it: reading the question properly, estimating before trusting a screen, and the handful of calculator behaviours that produce confident wrong answers.
They are deliberately short. Each one is a single habit worth adopting, not a chapter.