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Erin Math

Math practice for Grades 1–3

About

An Erindelle companion application with patterned arithmetic worksheets, answer checking, visual hints, timers, printing, and guided lessons for Grades 1–3. Selected arithmetic practice, not a complete curriculum or a promise of improved grades.

Tech Stack

ReactTypeScriptTanStack Start

Available On

web

Pricing

free
Free tier: Current public worksheet and guided-learning experience

Engineering case study

Codefrost-owned product work; separate from client case studies.

Problem

Learners need arithmetic practice that makes number relationships visible, with explanations when they get stuck.

Intended users

Children practicing selected Grade 1–3 arithmetic skills, with parents or teachers guiding the experience.

Constraints

Printable practice and guided screen-based lessons have different needs. Lesson grade labels should describe the actual material.

Implemented workflow

Erin Math combines patterned arithmetic worksheets, answer checking, visual hints and timers with a separate guided learning route for Grades 1–3.

Evidence

Observed on 2026-09-21: worksheet controls and guided learning. Local curriculum source includes Grade 1–3 lessons. These are product implementation observations, not measured learning outcomes.

Remaining limits

This is selected arithmetic practice, not a complete curriculum or a promise of improved grades. Examples use synthetic exercises, not learner records.

Related service

For an organization needing a similar learning workflow, Codefrost can assess requirements and scope a separate implementation. The app is not offered as an existing white-label package.

Describe your organization's learning workflow