![One Plus Two is Three](https://123mathgames.org/wp-content/themes/arcadexls/img/placeholder.gif)
Description:
Drag the numbers in the grid to merge them. There are the following categories of pieces: Roman numbers, polygons, fractions, Mayan numbers and cardinal numbers. You can solve mathematical challenges and get game pieces or coins.
Touchscreen Mouse Drag and drop the pieces in the grid