What is the likelihood that a polar bear will walk into the classroom? Students will consider this and other events using the concept of probability and the terms: Impossible, unlikely, likely, and certain.

Students will learn to model mixed number subtraction with manipulatives using this hands-on lesson plan.

Make division come to life with this hands-on, introductory lesson on the operation of division! Students will use authentic problems and manipulatives to experience division in action.

Help your students perfect their use of the order of operations with this lesson that has them create a flippable to aid as they practice using GEMDAS to solve muli-operational problems.

Perpendicular, intersect, parallel! In this lesson, students work in teams to complete a Frayer Model on each of these terms to become masters of geometry vocabulary. Teach this lesson on its own or as support to the lesson What's My Line?