Go to any length to test your students' understanding of perimeter calculations. Students will use their understanding of the perimeter of rectangular shapes to create rectangles that have different side measurements but equal perimeters.

Sorting takes on a new challenge for students in this activity which engages their critical thinking skills. As students determine defining attributes, they’ll figure out what makes a shape a shape!

What comes after winter? Spring! What comes after the equals sign in a subtraction equation? The difference! In this spring lesson plan, students will look at a variety of spring-themed subtraction pictures and write matching equations.

Fill ‘em up! This lesson teaches students to compare how much different containers can hold. Get ready for some overflowing fun!