Common Core math · 1st grade

1.G.A.1 games

Tell shapes apart by the features that define them, like number of sides.

1.G.A.1 is part of the Common Core State Standards for Mathematics. Shape Builder practices it. Standards vary by state, so check with your kid’s teacher for the exact match.

The game

Shape Builder Name shapes, sides and corners, build with blocks, symmetrykindergarten to 2nd grade

Shape Builder: On a wooden play board, kids name shapes, count sides and corners, find shapes in everyday things, fill an outline with pattern blocks, and finish a picture so both halves match.

Practice it at home

Go on a shape hunt: count the sides and corners of a window, a plate, a sign or a slice of cheese.