Expression Lab

Mathematics discovery

Expression Lab

Today's mission

Expression Lab: Look and choose

Expression Lab: Choose the block story that makes six.

Notice Try Show
A story mat with join, separate, and group action cards plus block counters

What do you think?

Grown-up guide

Learning goal

Connect different action stories that produce the same quantity.

Listen for

Operations can be chosen from number size without considering the action.

Teaching move

Act out each story verb and compare the resulting quantity.

Standards under review

CCSS.MATH.K.OA.A.1 / CCSS.MATH.1.OA.A.1

Educator review is required before verified-release status.

Original World tools