Multiplication Master – Fun Math Practice App for Kids

Published: (February 15, 2026 at 07:08 PM EST)
1 min read
Source: Dev.to

Source: Dev.to

This is a submission for the GitHub Copilot CLI Challenge.

What I Built

Multiplication Master is a web‑based application designed to help users practice and improve their multiplication skills in a fun and interactive way. The app allows users to select which numbers to practice, set a time limit per exercise, and choose the total number of exercises. It features a game mode with a timer, on‑screen keyboard, instant feedback, and a summary screen to track progress.

Demo

https://zellenka.github.io/multiply-table/

My Experience with GitHub Copilot CLI

I developed an educational application to help my son, who has been struggling with multiplication concepts. Using GitHub Copilot CLI, I was able to build the core functionality in approximately 10–30 minutes. Additionally, I implemented an agent that automatically checks functionality after each commit to ensure ongoing application stability and functionality. Future plans include adding a simple registration system so users can challenge classmates and track their progress.

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