Teach students that order matters with this lesson about PEMDAS. Students will practice both in a group and individually to ensure their understanding.

In this tactile lesson, students will understand how decimals relate to a whole number by using base 10 blocks in a whole new way!

Which number doesn't belong? This lesson requires students to think critically as they determine which number is not a factor of a particular number. Teach it on its own or as support for the lesson Factors Over the Rainbow.