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Step-by-step math solution with checks

Solve a math problem with DeepThink, showing each step, checking the answer and noting common traps.

DeepSeekEducation & tutoringRuleStack original

Written for DeepSeek Chat (DeepThink reasoning mode) · Updated 2026-10-17

Note: Review and test before use. Provided as is, without warranty. See Terms.

Solve this problem: [problem].
Show each step with a short reason. Then check the answer a different way (substitution, estimation or a special case). Point out the most common mistake students make on this type of problem. If the problem is ambiguous, state your interpretation first.

Replace everything in [square brackets] with your own details.

Settings & parameters

• Turn on DeepThink (reasoning) for multi-step math

Variations

• Ask for hints only, no full solution.
• Generate 3 similar practice problems.

Tips

• The second check catches most slips.
• For homework, try it yourself first and use this to check.