Why do I always black out when it comes to structuring my math approach in a case?

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Hi there,

Many strong candidates face this challenge when it comes to structuring more complex math under pressure.

Here are a few quick tips to help:

1. Use a simple math structure.
Treat each math problem like a mini-framework. Ask yourself:

• What am I solving for?
• What info do I have?
• What’s the cleanest path to the answer?
  Breaking it down into 2–3 steps on paper can help make the problem feel more manageable.

2. Use a table to stay organized.
Especially when dealing with multiple segments or assumptions, a quick table can keep your thinking clear and reduce errors. It also shows structured thinking to the interviewer.

3. Speak your logic out loud.
Even if you're unsure, verbalizing your approach shows your process — which is often more important than getting the exact number right.

4. Reframe the pause.
Instead of freezing, use that moment to slow down, jot down what you know, and map out the steps calmly. That small shift in mindset often prevents the "blanking out" effect.

You're already on the right track — strong math foundation, awareness of the issue, and the drive to improve. Let us know if you’d like to run a few math-focused drills together or case prep in general.

Best,

Evelina

Hi there, 

Sorry to hear this. 

It's rather common, but the root causes can be varied. I would be able to tell if I saw you in a live case. But I would try a few things:

1. Keep going. The nerves will level off with time.
2. Divide the stages of the calculation question. When you take time, focus only on coming up with the logic / approach (don't get into the numbers themselves)
3. Talk yourself through the approach
4. Try to work the logic backwards from the target result

Best,
Cristian 

Adding to the points above. It seems to be related to performance pressure and/or anxiety on the surface. 

Therefore, I always recommend candidates to practice live cases with as many different people as you can. For more specific tips, it’s better to actually speak through that live. 

Please reach out if you want to schedule a free intro chat to explore how I might be able to help. 

Hi there,

I totally get how frustrating this can be — and while I can’t pinpoint exactly why it’s happening, here’s how to tackle it:

• Practice solo at first to avoid the added pressure of a partner watching
• Ditch the complex equations and focus on simple business logic
• Use basic trees to break down your calculations step by step
• If you’re still freezing mid-case, get help from a coach who can spot the root cause and work through it with you

Sometimes it’s mindset. Sometimes it’s just the wrong practice approach. Either way, it’s solvable.

Best,

Alberto