Students will learn how to find the actual value of three-digit numbers with this activity that has them use manipulatives to create the expanded form of a number.

Help build your students subtraction skills by finding the unknown! This lesson will help your students understand the relationship between addition and subtraction, as students build towers to find unknown addends.

Use this beginning of the year activity to practice counting! Students solidify an understanding of one-to-one correspondence as they compete to fill three towers. Use this EL Support Lesson alone, or alongside the lesson plan Counting Collections.

Group work can build cooperation and problem-solving skills inside and outside of the classroom! In this lesson, students will discuss cooperation and practice using cooperative techniques in human knot and tower-building activities.

It’s time to get measuring! In this lesson students determine the lengths of different towers and then put them in order from shortest to longest.

Get ready to shake things up with this fun measurement lesson! Students start by seeing if they can fit under a meter stick and then turn their attention to creating towers to fit under the meter stick.

Here comes the Ten Monster! Get ready to learn about subtracting tens in this hands-on lesson.

Subtraction is a lot more than just “take away.” In this lesson, students develop an understanding of subtraction as comparison by creating and interpreting data from bar graphs.

Build a strong foundation in place value with a fun game where students create groups of ten as they race to 100. Can be used alone or with the lesson plan Place Value Party.

Give students plenty of practice adding to 20 with this fun game! Use this scaffolded EL Lesson alone or for more addition practice before teaching the Do Math with M&Ms lesson.

The English language has some tricky rules on when to use the definite article "the" and when not to use it. This lesson teaches your students some of the rules for when to use the definite article "the" with geographical nouns.