Shape Builder

Mathematics discovery

Shape Builder

Today's mission

Shape Builder: Look and choose

Shape Builder: Choose the two pieces that can cover the square outline.

Notice Try Show
A bold square target with triangles, circles, and rectangles as movable pieces

What do you think?

Grown-up guide

Learning goal

Compose larger shapes from smaller shapes and decompose them in multiple ways.

Listen for

A shape's name changes whenever it is turned.

Teaching move

Rotate pieces and ask what properties stay the same.

Standards under review

CCSS.MATH.K.G.B.6 / CCSS.MATH.1.G.A.2

Educator review is required before verified-release status.

Original World tools