How? In this lesson, your students will become familiar with using this question word to investigate how things work.

Your students will be experts in subtraction with regrouping after this lesson that has them work as a class and individually to perfect their skills.

Owls hear so well that they can hunt in the dark. Have your students try on their owl ears! In this lesson, students open up their ears to all the sounds around them, close and far away, and go on a sound hunt.