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What does it mean to expand a number? Use this lesson plan to help your students understand how to write the expanded form of two-digit numbers.

Now that your first graders have mastered numbers to 100, extend the counting sequence to 120 with this scaffolded lesson. Use this EL Support Lesson alone, or alongside the lesson plan 120 Steps.

In this lesson, students will learn how to add a one-digit number to a two-digit number. This will help students build upon the skills needed for regrouping larger numbers.

In this lesson, your students will break down composite figures to identify 2-D shapes that make them. Students will put together 2-D shapes to create a composite shape.

Your students will learn when to use less than and greater than and how to differentiate the two symbols in this lesson. They will have fun playing the role of the Less Than and Greater Than alligators!