Create number sentences and equations to solve geometric problems. Each activity in the series of five asks young mathematicians to consider different-sized tiles to build structures according to specific criteria. The first activities,...

Second graders use a number line to understand multiples.  In this number line lesson, 2nd graders use a floor size number line and calculate problems with multiples. Students complete a worksheet with multiples.

Second graders manipulate triangles to discover the concepts of slides, flips and turns of a geometric shape.

Students examine and decide on a service-learning project to perform. They design and execute posters that advertise the project using geometric shapes.