Students observe and discuss a cup and pencil model of a cyclone to better understand the science behind how this pollutant recovery method functions in cleaning industrial air pollution.

This resource is from Tools4NCTeachers.In this lesson, small groups of students play a game where they spin 3-digit numbers, build them using arrow cards, and compare the numbers.  Several extension activities and math centers are shared in this lesson. 

This resource is from Tools4NCTeachers. In this lesson, small groups of students play a game where they spin 3-digit numbers, build them using arrow cards, and compare the numbers.  Several extension activities and math centers are shared in this lesson. 

This resource is from Tools4NCTeachers.In this lesson, students play a game that requires the comparing and adding of numbers.  The game also provides an opportunity requires record numbers in both standard and expanded form.  Remix this lesson to provide extension activities or pictures of student work.