Pebble Sums

A calm visual calculator that helps children see addition and subtraction happen with moving shapes and hear each number read aloud.

Make math easier to see and easier to understand.

This visual calculator helps children explore addition and subtraction by turning numbers into simple moving shapes. Instead of only looking at symbols, children can watch quantities appear, combine, and be taken away on screen.

The app also reads numbers aloud, adding an extra layer of support for early learners and helping children connect what they see with what they hear.

Designed to be simple, clear, and calm, the app gives children a more intuitive way to understand basic arithmetic.

What the app does

Visualizes addition with moving shapes Visualizes subtraction by showing what is taken away and what remains Reads numbers aloud with clear audio Keeps the interface simple and easy to follow Helps children build early number sense through direct visual feedback

Who it’s for

Young children learning basic math Parents who want a more intuitive way to introduce numbers Teachers looking for a simple visual aid for early arithmetic Children who benefit from both visual and audio support

This is a gentle, focused way to help children understand what numbers mean