Mindful Digits App

Enhancing Gamified Learning for ADHD Students with Accessible UX Writing

Overview

Mindful Digits is an EdTech app for neurodivergent learners struggling with fifth-grade geometry. As Lead UX Writer, I led content strategy, dialogue design, and mascot voice development, making math feel less like a barrier and more like a game worth playing.

Timeline
6 weeks
Role
Lead UX Writer
Team
2 UX Writing Leads, 3 team members
Industry
EdTech
Year
2024
Challenge

Students with ADHD were disengaging before they ever got to the content.

The app's language was too abstract, the pacing was unforgiving, and there was nothing to hold attention between tasks. Students weren't failing because the math was too hard. They were failing because the experience wasn't designed for how their brains actually work. Research showed neurodivergent children experience 3–5x more difficulty than neurotypical students in traditional math environments.

The problem in numbers
3–5×
Difficulty gap
More difficulty than neurotypical peers in traditional math environments
5th
Grade focus
Geometry concepts with no scaffolded entry point for neurodivergent learners
0
Feedback loops
Encouraging feedback loops in the existing app experience
Students weren't failing because the math was too hard. They were failing because the experience wasn't designed for how their brains actually work.
Research findings: Mindful Digits, Phase 3

Students failed tasks 3–5x more than expected, not from lack of ability but from interface friction and cognitive overload.

My Approach

Design for how their brains actually work, not how the curriculum assumes they should.

01
Reviewed previous phase artifacts

Analyzed prior research summaries, voice and tone guidelines, content strategies, and UX writing boards to build on established insights rather than starting from scratch.

02
Defined the voice and tone

Established the Math Buddy's character as enthusiastic, relatable, conversational, and inviting, with a tone that is playful, casual, respectful, and encouraging. Every content decision flowed from this foundation.

03
Designed the dialogue system

Wrote teaching scripts, follow-up dialogues, and error recovery prompts for three geometry units: Angles, Triangles, and Volume. Used real-world examples like pizza slices to make abstract concepts tangible for fifth graders.

04
Led the Math Buddy naming process

Coordinated team brainstorming across five rounds to land on a character identity that would resonate with the target audience, balancing personality, memorability, and age-appropriateness.

05
Compiled handoff documentation

Synthesized key learnings, communication norms, persona guidelines, and curriculum scope into structured documentation for the final phase team.

Solution

A content system built around confidence, not just comprehension.

Math Buddy Voice System

A fully defined character voice with teaching scripts, encouraging feedback, and error recovery dialogue, designed to reduce anxiety and build confidence at every step.

Scaffolded Dialogue Design

Three complete geometry units with conversational prompts that guide exploration rather than test recall. Students are never left without a path forward.

Accessible UX Writing

Plain-language principles applied across all screens: short sentences, active voice, and encouraging tone, meeting WCAG 2.1 AA content guidelines for neurodivergent users.

Outcome

A content system that meets neurodivergent learners where they are, giving the next phase team a foundation to build on.

Voice before visuals

Establishing the Math Buddy's character early gave every design decision a reference point. Tone consistency across 3 units and dozens of screens started with getting the voice right first.

Documentation as a design deliverable

The handoff documentation I compiled became the foundation for Phase 4. Structured knowledge transfer is its own form of UX work.

Key Insight

"Accessibility and good UX are the same thing approached from different angles. Every plain-language rewrite, every scaffolded step, every encouraging prompt made the experience better for everyone, not just students with ADHD."

Reflection

This was my first time leading content strategy for a neurodivergent audience, and it changed how I think about language in interfaces permanently. The most important lesson was that clarity is kindness. Every word that made the experience simpler for a student with ADHD made it better for everyone else too. If I could do one thing differently, I'd advocate earlier for usability testing with actual students rather than relying solely on prior phase research.

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