---
title: "Split Exercise"
method: POST
path: "/teacher/assignments/{assignment_id}/split-exercise"
tags: ["teacher_assignments"]
---

# Split Exercise

`POST /teacher/assignments/{assignment_id}/split-exercise`

Split an existing exercise into multiple exercises using AI.
Uses AI to create multiple variations of the original exercise.

## Path parameters

- `assignment_id` string, required

## Request body

- SplitExerciseRequest
  - `exercise_id` string, required
  - `number_of_splits` integer, required — Number of exercises to create (2-50)
  - `custom_prompt` string — Custom prompt for AI generation

## Response `200`

Successful Response

- SplitExerciseResponse
  - `status` string, required
  - `message` string, required
  - `new_exercise_ids` string[], required
  - `updated_at` string, date-time, required
  - `exercise_ids` string[], required
  - `exercises` AssignmentExerciseStub[]
    - `id` string, required
    - `order` integer, required
    - `source` 'teacher' | 'public' | 'calcul_template' | 'annale' | 'unknown'
    - `title` string, nullable
    - `original_id` string, nullable
    - `source_public_exercise_id` string, nullable
    - `source_annales_exercise_id` string, nullable
  - `added_exercises` AssignmentExerciseStub[]
    - `id` string, required
    - `order` integer, required
    - `source` 'teacher' | 'public' | 'calcul_template' | 'annale' | 'unknown'
    - `title` string, nullable
    - `original_id` string, nullable
    - `source_public_exercise_id` string, nullable
    - `source_annales_exercise_id` string, nullable
  - `removed_exercise_ids` string[]

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/excellence-ai/apis/excellence-learning.md) · [All operations](https://skmtc.dev/excellence-ai/apis/excellence-learning/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/excellence-ai/excellence-learning/revisions/c407f3b5a05b/schema)