It's as easy as one, two, three...four! Introduce your students to subtracting decimals in the tenth and hundredth place using a four-step process.

In this lesson, students will add three-digit numbers using expanded form addition and standard algorithm addition. They'll explain their answers and highlight the steps for each of the strategies.

Articles are a simple yet critical part of speech. This lesson helps your fourth graders distinguish the three articles and understand how to use them correctly in sentences.