Hard math problems for advanced students

Generate hard math problems for advanced middle and high school students: multi-step, contest-style questions in algebra, geometry, and number theory.

Free · No account · Up to 40 problems · Answer key included

Tip: Describe the specific skill or topic. The generator calibrates complexity to the grade level you pick.

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What makes a math problem hard?

Hard math problems are problems where the difficulty comes from finding the idea that starts the solution, such as a pattern, a substitution, or a case split, more than from long computation. This generator writes challenging sets with an answer key. Work each problem before assigning it, since generated hard problems can contain errors.

Where the difficulty comes from

Some contest problems need a pattern: powers of 7 end in 7, 9, 3, 1 in turn, so 7^100 ends in 1. Others combine topics, need an extra line in a diagram, or reward working backward. Name the kind you want:

  • Number theory: divisibility, remainders, prime factorization

  • Counting: arrangements with conditions, the pigeonhole principle

  • Geometry: similar triangles, auxiliary lines, area arguments

  • Algebra: substitutions, Vieta's formulas, inequalities

  • Strategies: working backward, looking for invariants

The AMC and MATHCOUNTS ladder

Each step up asks for more technique and less arithmetic, so name the contest and level you want.

  • MATHCOUNTS (grades 6-8): Sprint Round of 30 problems in 40 minutes, no calculator

  • MATHCOUNTS also has Target (8 problems in pairs), Team, and Countdown rounds

  • AMC 8: 25 multiple-choice problems in 40 minutes, 8th grade and below

  • AMC 10 and AMC 12: 25 problems in 75 minutes

  • AIME: 15 problems in 3 hours, for high AMC 10 and 12 scorers

Contest style and olympiad style

Olympiad problems (USAJMO, USAMO) take sustained work and are answered with proofs, unlike the short numerical answers of AMC and MATHCOUNTS. Ask for proof-style problems by name and review the generated solutions closely.

How the math problem generator works

  1. 1

    Describe the set

    The topic and the format, such as two-step equations or fraction word problems about cooking.

  2. 2

    Set the details

    Grade, difficulty, and number of problems. It usually takes 10 to 20 seconds.

  3. 3

    Check and print

    Work a few problems yourself, then print the student copy and the answer key.

What teachers say

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Grading the completed problem sets?

GradeWithAI reads handwritten math from scans or phone photos and gives partial credit under your rubric or answer key. You review each score before it posts.

Grading the completed math work? See how the AI math grader gives partial credit

GradeWithAI grading a handwritten Algebra II quiz with partial credit, showing the scanned student work next to step-by-step AI feedback

Math problem generator FAQ

Questions about this tool? Email john@gradewithai.com.

They make useful extra practice. For serious preparation, also work through past contests: past AMC problems and solutions are posted on the Art of Problem Solving wiki, and MATHCOUNTS offers past competition materials.

Aim for a set where your student solves some problems quickly, works hard on a few, and misses some. If everything is easy, move up a level (AMC 8 to AMC 10); if almost nothing gets solved, step down and build the underlying topic first.

Yes. Name it in the description ('hard geometry problems, AMC 10 level' or 'challenging counting problems for 7th grade') and choose the grade closest to your student.

Addition, subtraction, multiplication, division (including long division), fractions, decimals, ratios, percents, pre-algebra, Algebra 1 and 2, and geometry.

Yes. Ask for word problems in the description, and add a context such as sports, animals, or food if you like.

Pick the grade, which sets the kind of numbers and operations, then choose easy, medium, or hard.

Yes. Every problem has an answer, printed on a separate page. Work a few problems yourself before handing the set out, since AI-generated math can contain mistakes.

No. It writes problems. To grade completed work, upload it to GradeWithAI, which reads handwritten math and gives partial credit under your rubric or answer key.

Yes, with no account.

Grade the completed math work

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The free plan grades 25 submissions every 30 days. No credit card.

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Reported by teachers using GradeWithAI, with feedback on every submission they grade.

  • Erin Nordlund
  • Rebecca Ford
  • Ken Brenan
Teachers at 1000+ schools