Will one be left out? Students will practice creative problem solving as they strive to answer this question and determine whether a group is even or odd.

Use this handy lesson plan to practice the concept of adding one! Can be used as a stand alone or support lesson for the Math Mystery Bags lesson plan.

In this hilarious math lesson, students will learn about addition patterns of one more using animal feet to guide them!

This lesson introduces students to measuring and estimating liquid volume, using liters (l) as the standard unit of measurement.