Students will work hard to build shapes with straws in this hands-on lesson about the defining attributes of triangles. Use alone or with Know Your Shapes.

Students will solve area problems by multiplying side lengths for rectangular shapes in real world contexts.

What's the difference.... between two numbers? Play this fun game to get students talking and practicing subtraction. Use this scaffolded EL lesson plan alone or alongside Subtraction Card Sharks.

Bring on the polygons! Your students will build their understanding of polygons and sort shapes into categories based on their attributes in this lesson.

Teach your students about the shapes that make up the world around them with this lesson that has them identify shapes in the classroom and in drawn scenes.

Practice calculating perimeter with the placement of carnival-themed games with given rectangular dimensions. Your students will use grid paper to determine the location of all the games they choose to make the perfect carnival.

Can your students capture the details that lead to the central idea in a text? In this lesson, students will work collaboratively to connect the details with the central ideas.

In this lesson, your students will make healthy choices by sorting healthy and unhealthy foods that they eat daily! Students will learn to sort data by color and many more categories!

“Gong Xi Fa Cai, Hong Bao Na Lai!” This means "Happy New Year, Give me my red envelope!" Students will count coins and write the value all while learning about the Chinese New Year tradition of handing out red envelopes filled with money.

Everyone loves pizza! Introduce the concept of fractions as equal shares in a familiar context. Use alone or with Halves as Equal Shares.

Let your students decorate their own room with this lesson that has them use area to place furniture in a room.

Students will use the inverse relationship between multiplication and division to complete an area formula in a real-world situation. Use this lesson on its own or as support for the lesson The Case of the Missing Rectangle Side.