Addition

start with single digits adding, tables, pictures, ways of grouping

Then add different colored piles, shifting

Then show the shortcut additive way, contrast with standard method

Notions of AdditionsExplore

Adding Single DigitsExplore

Complements of TenExplore

Left to Right AdditionExplore

Significant AdditionExplore

Tricks and Checks of AdditionExplore

Properties of AdditionExplore