Squirm with worms! In this interactive lesson, students will work with live worms to learn about measurement and living things.

Classifying figures by features is a fundamental geometry skill. Use this lesson plan to teach your students how to categorize triangles by internal angle types.

Double-digit trouble? No problem! Your students will practice their decomposing and regrouping skills in this lesson.

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.

In this spring-inspired lesson plan, students’ understanding of subtraction will blossom. They will use spring-related counters and visual models to assist their subtraction skills.

Help students add and subtract decimals in this visual, hands-on, and delicious lesson! This lesson also reinforces place value concepts with decimals.

Shapes don't have to be puzzling. With this lesson, your students will learn shape names and shape identification as they put these simple puzzles together.

Get your students comfortable with discussing multiple strategies to solve subtraction problems with this lesson on two- and three-digit subtraction. It may be taught independently or as support for the lesson Subtraction with Regrouping.

Empower your students with the opportunity to design decimal subtraction problems with a given difference (answer). Use this lesson on its own or as support for the lesson Step By Step Decimal Subtraction.

Mix and match your way to understanding colors! This lesson will give your students the opportunity to sort objects into color categories.