Make real world connections with your students when it comes to perimeter. Use this geometry lesson with your students to discuss real contexts and teach them how to calculate perimeter.

In this fun hands-on lesson, students will get introduced to comparing heavy and light objects. This can be used as a stand alone lesson or pre-lesson for the Heavier or Lighter lesson plan.

In this teacher-approved lesson, students will make and play with oobleck (corn starch and water), then write about their experiments. Young scientists will have a blast seeing their oobleck mixtures seemingly come to life.

Do your students respect their peers' opinions? This lesson teaches first graders that their opinions matter by encouraging them to write out opinions and back them up with reasons.

Forming and sharing opinions is a vital part of self-expression. Use the following lesson to help your students write opinions and support them with three convincing reasons.