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.

Students will love learning about patterns of one less using puppets! This can be used as a stand alone or support lesson for the How Big is Your Tower? lesson plan.

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.

Students will love this engaging lesson plan that incorporates movement, stories, and building to learn all about comparing height! It can be used as a stand alone or support lesson for the Comparing Tall and Short lesson plan.

From skyscrapers to ants, comparing sizes with your class can be endlessly fun! This lesson will help your students compare short and tall sizes.

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

WIth this lesson, students will have fun building masterpieces unifex cubes. Then, they will identify which item is bigger or smaller. his lesson plan can be used as a stand alone or support lesson for the Comparing Bigger and Smaller lesson plan.