Use this support lesson to provide students with the opportunity to explore what it means to estimate. This hands on activity can be used alone or alongside the lesson Estimating Length.

Help students use two strategies that will help them figure out which three-digit number is greater than, less than, or equal to another three-digit number. Use on its own or with Let's Compare! Place Value Disks & Three-Digit Numbers.

Get your students talking about how they can apply the concept of perimeter to real life. Use this lesson independently or alongside Find the Perimeter: Real Life Objects.

Build your students' number sense regarding place value by facilitating discussion! Use this as a stand alone lesson or alongside What is My Place Value?

In this lesson, students will explore the characteristics of arrays and find out why they are important. Use this lesson independently or alongside Come Array With Us!