Find Your Maths Gap: Guides to Diagnose and Fix Weak Areas

Guides that help you find the exact gap behind your repeated Mathematics mistakes, spot the warning signs early and rebuild your confidence before WASSCE or NOVDEC.

If you keep making the same mistakes, more practice on its own won’t fix them. You first need to know where the problem actually started. These guides help you find that gap, understand why it keeps tripping you up and get your confidence back.

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Why you keep losing marks, in one page

If you keep failing Mathematics, the problem is rarely the whole subject. It is usually a small number of gaps, some from JHS, that nobody found. This page helps you find yours, understand why it happens, and fix it in a plan you can actually follow.

1. Trace the wrong answer to its root

Four steps tracing a wrong answer to its root: wrong answer x = 2, first wrong line 2x = 7 − 3, the skill of undoing subtraction, and the root gap in directed numbers
Follow the wrong answer back to the first wrong step.

2. Are you guessing or understanding?

Two columns comparing habits of guessing, such as copying steps, with habits of understanding, such as explaining why each step works
Guessing copies steps. Understanding can explain them.

3. Why class feels easy but the exam does not

Comparison of class, where the topic is announced and an example is shown, with the exam, where you work alone, plus three ways to bridge the gap
In class the topic is announced. In the exam you must recognise it.

4. A one-week plan for one gap

A weekly plan: diagnose on Monday, learn on Tuesday, practise on Wednesday, explain on Thursday, retest on Friday, review on Saturday
Diagnose, learn, practise, explain, retest.

5. Starting again after failing

Five steps to rebuild after failing: accept the result, find the gaps, fix one gap at a time, collect small wins, retest
A failed result tells you where to start.

6. Is NOVDEC harder?

How hard an exam feels equals paper demand plus learning gaps plus preparation plus exam pressure; gaps and preparation are in your control
How hard a paper feels depends on your gaps as much as the paper.

Diagnose your gap

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7 Ways to Find the Exact Topic Costing You Marks

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9 Clues That Show Where Your Maths Problem Started

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7 Tests to Check You Really Understand a Maths Topic

Many SHS learners say, “Sir, I understand it when you teach, but when I meet the question alone, I get confused.” That statement is very important. It means…

Warning signs to watch for

8 Clear Signs You Are Guessing Instead of Understanding Mathematics

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7 Hidden Reasons You Understand in Class but Fail Tests

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8 Warning Signs Your Mathematics Foundation Is Weak

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8 Silent Mistakes That Follow Students from JHS to SHS

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9 Mathematics Habits That Expose Hidden Weaknesses

Some SHS learners do not discover their weak Mathematics understanding until the WASSCE paper is already in front of them. That is painful because the warning signs…

Why students struggle in WASSCE Maths

Failed WASSCE Maths Before? 7 Learning Gaps to Fix Before You Rewrite

WASSCE Maths failure is painful, especially when a learner has written the paper before, joined extra classes, bought more notes, and still returned with the same result. Some…

WAEC Chief Examiner’s Report on Mathematics: 6 Gaps Explained

WAEC Maths mistakes are not always signs that a student is lazy or careless. Sometimes, they are signals pointing to a weak spot that has not been found…

WASSCE Mathematics: 7 Hidden Reasons Students Struggle

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Struggling with Maths? 10 Types of Struggle and How to Fix Each

In many Ghanaian SHS classrooms, two students can both score low marks in Mathematics, but their real problems may not be the same. One learner may be…

What Teachers Notice About Students Who Struggle in Maths

In many Ghanaian SHS classrooms, a mathematics teacher can notice a struggling learner even before the test results come. It may not be because the learner is noisy,…

Rebuild your confidence and habits

Maths Confidence: 7 Ways to Start Again After Failing Mathematics

Maths confidence is one of the first things many Ghana SHS students lose after Mathematics failure. The learner may still have the brain to improve, but once…

8 Signs Your Maths Confidence Is Low Because of Hidden Gaps

Many SHS students think they have low maths confidence because they are not naturally good at mathematics. But in many Ghanaian classrooms, that is not the real story.…

Mathematics Improvement: 9 Habits That Help SHS Students

Mathematics improvement is one of the things many weak and struggling Ghanaian SHS students desire, but many expect it to happen too quickly. A learner may fail one…

Is Nov/Dec Harder Than WASSCE? An Honest Answer

“Sir, is Nov/Dec harder than WASSCE?” A learner normally asks this question for a reason. Perhaps the learner did not obtain the Mathematics grade expected in the…

Stuck on something?

If a lesson doesn’t fully clear things up, send me your question and tell me where you got stuck.

Questions learners often ask

Why do students fail mathematics?

Mostly because of a few repeated gaps (reading the question, signs, percentages, units, showing working) rather than the whole subject. Each one can be found and fixed.

How can I improve in maths quickly?

Find your biggest gap first, fix that one skill, and retest it a week later. Then move to the next gap.

Start with Find My Gap, then follow How to Pass WASSCE and NOVDEC Core Maths.

Sources and further reading

The mistakes and topics in these lessons come from what WAEC examiners report year after year, matched to Ghana’s SHS curriculum. You can read the original sources here:

Dickson Sarpong, SHS Mathematics teacher and founder of The Maths Clinic
Written by Dickson Sarpong

NTC-certified SHS Mathematics teacher in Ghana with WAEC marking experience, and author of The Bridge Series textbooks. Every lesson here is built around the mistakes WAEC examiners keep reporting.

About DicksonStuck? Ask a question
The Bridge Series: The Bridge to Mathematics and The Bridge to Additional Mathematics for SHS

Want the whole topic, step by step? My textbooks, The Bridge to Mathematics and The Bridge to Additional Mathematics for SHS, follow the new curriculum and rebuild the basics as you go.

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