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Oqu (Оқу) is a mathematics problem bank for lesson preparation. Find exercises for classwork, homework and revision.

Free math problem bank

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Problem Bank AI

{conversationType, select, drill_exam {Tell me the units and difficulty you want. I will help from finding problems to finishing the exam.} textbook {Tell me the units and question counts you want. I will help organize the problems and finish the workbook.} other {Tell me what you want to create. I will help from start to finish.}}

{conversationType, select, drill_exam {Shall we build a drill exam together?} textbook {Shall we build your own workbook together?} other {Shall we create something together?}}

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Locked problem

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This will delete the selected problem from My DB. You can’t undo this action.

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Problem {number}

File title

View Original Problem

Tell us what is wrong and we will review it for the shared problem.

Report a problem error

View Related Problems ({count})

The solution is being prepared. You can view it on this problem when it is ready.

Subject

Problem detail

Untitled exam

Add problems mode

Use filters in My Problem DB or Public Problem DB to select the options you want.

No problems selected.

Problems without solutions cannot be used in an exam or textbook. Solutions will be generated after payment, and you will move on automatically when they are ready.

We are checking progress automatically. You will move to the next step when every solution is ready.

Generating solutions for {count} problems

Choose a document type and title to create an editable draft.

Create exam/textbook

You can select up to {count} problems with the current settings.

Enter problem count

Use problems from your DB to create your own exam or textbook.

Upload original problems, generate similar questions, and manage your own problem sets.

Add problems from the explorer.

Use answer sheets to collect grading statistics.

Start the exam with the candidate problems you selected.

Select manually

Mixed question ratio

Choose all curricula or the units to include.

Coverage

Automatically add analyzed DB problems by count.

Generation settings

Random generation

Exam title

Automatically create an exam using filters and a problem count.

Detailed settings

Organize DB problems into your own textbook.

Title

e.g. 2025 June mock exam

Enter a title.

Review the original or edited HWPX and manuscript PDF

Write each concept page or generate a draft

Review, reorder, and save the finished pages

Adjust scores and inspect similar problems

Set the textbook outline and problem order

Choose one design for the whole textbook from the cover previews

Recent school DB materials

Exam · {count} questions

Choose units and a question count to build an exam instantly and assign it to students.

your exam is ready.

Pick a topic —

{title} · round {round}

By title

You will move to the saved draft review screen shortly.

Mixed ratio

Mixed · MC {objective}% / open {subjective}%

If no unit is selected, questions are drawn from the entire range of the selected level.

Select scope

Create an exam

Select problems from the current exam to create the next round without duplicates.

Creates round exams with the same problem structure. Missing problems are filled with newly generated similar problems.

Create round exams

Select source problems to create a non-overlapping next round, then continue to student assignment.

Create next round

Round exams

The next round will be based on the {count} selected problems.

Select source problems

Round exam

{count} similar problems need their original problems analyzed first. Start that analysis now and automatically continue afterward?

Analyze the original problem first?

You can check exam candidates in the right panel.

Delete Exam

Exam History

Save your problems and exams, then continue from anywhere.

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Rename Exam Title

Rename

A space to collect and manage problems

My DB

Add a PDF, HWP, or HWPX file from Problem Upload.

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Select the students who should receive this exam or learning material.

You can add a student with just a name and grade, or enter an email to send an online invitation.

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Assign to students

{name} will be removed from the roster. Existing assignment history will be preserved, but the student will no longer appear in the roster.

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Manage student account connections and exam submissions in one place.

Add students to quickly distribute exams.

No students have been added.

No students match these conditions.

Register with a name and grade, or enter an email address to send an invitation.

Add student

Update the student's name, grade, and class.

Edit student

Untitled workbook

Anyone with this link can receive this material after signing in.

Anyone with this link can receive ‘{title}’ after signing in.

Material join link

The existing link will no longer work. You can create a new link later if needed.

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Anyone with this link is added to the teacher's roster after signing in.

Student join link

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Student management

Generating similar problems...

Recognizing problems...

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Questi Guide AI

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