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How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Potato Chip Science: How Greasy Are Your Potato Chips?

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Factors Affecting Solubility

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Desert Food Web

This fun and easy middle school science fair project idea  explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Do Plants Experience Pollution? Will Plants Grow More or Less or be Unaffected when Grown in Polluted Soil?

Give your students visuals to support their understanding of skip counting. Use this lesson on its own or as a pre-lesson for *Roll the Dice: Skip Counting by Fives*.

Skip Counting with Visuals

Students put their understanding of one and 10 more to work as they write word problems for classmates to solve. This lesson plan can be used alone or with **Picture Addition.**

Solving for One and Ten More

Numbers are connected in many ways! Take students on a journey to uncover multiplication and division fact families and inverse relationships. Teach this lesson on its own or prior to the lesson Division and Multiplication Relationship.

Multiplication and Division: What's the Connection?

Delicious multiplication! In this sweet lesson, your students will learn how to relate multiplication to repeated addition using candy counters.

Candy Multiplication

Students get practice composing and comparing two-digit numbers as they compete to collect the most cards while playing the Hungry Alligator game. This lesson can be used alone or with the lesson plan **Greater than Less Than Equal to Game.**

Hungry Alligator Game

Help your students compare and connect two important multiplication strategies: equal groups and repeated addition. This lesson can stand alone or be used as a pre-lesson for *Candy Multiplication*.

Multiplication Strategies

Let's talk about the distributive property! Give students a chance to explain their thinking of how and why this property of multiplication works. This lesson may be taught as a standalone or as support to the lesson Distributive Property.

Justifying the Distributive Property

Use this lesson to teach your students about the strategy of skip counting. It can stand alone or be used as a pre-lesson for *Multiply by 5*.

Strategy Work: Skip Counting to Multiply

While memorization is important when it comes to multiplication facts, a foundation of understanding is key, too! Use this lesson on its own or as a pre-lesson for *Hands-On Multiplication*.

Strategies Lead to Understanding

Get your students talking about number patterns and rules with this introductory lesson on function tables. Use this lesson as a pre-lesson to Input and Output Boxes or teach it on its own.

Figuring Out Function Tables

Support your students' comprehension of perimeter word problems by teaching them to use an engaging strategy and graphic organizer. This lesson can stand alone or be used as a pre-lesson for *Polygon Perimeters with Tantalizing Tangrams!*

Solving Perimeter Word Problems

Teach your students four simple steps to help them solve multiplication and division word problems with confidence. 

Stepping Through Multiplication and Division Word Problems

Dive deep into using base-ten blocks to solve two-digit subtraction problems with regrouping. This lesson can be used independently or in conjuction with the lesson Double Trouble: Subtraction Practice.

Regrouping with Base-Ten Blocks

Help your students use multiplication to support their conceptual understanding of division. Use this lesson alone or as a pre-lesson for *Division: Solving for Unknown Factors*.

Number Relationships in Division

You won't strike out with this lesson on finding the theme of a script. Use this lesson to help your students identify the elements of a script and find the theme.

Summer Drama

In this lesson, students will explore the characteristics of arrays and find out why they are important. Use this lesson independently or alongside Come Array With Us! 

What Are Arrays?

Teach your students how to reflect upon the information in multiplication and division word problems before solving them. Use this lesson on its own or as a pre-lesson to *Stepping Through Multiplication and Division Word Problems*.

Reflecting on Multiplication and Division Word Problems

This lesson focuses on facilitating a rich classroom discussion around the purpose and methods of rounding numbers up to the thousands place. It can be taught on its own or as support to the lesson Rounding with Number Lines.

The Rhyme and Reason for Rounding

This lesson helps students develop an ability to compare and contrast as they explore two strategies to solve three-digit addition problems. This EL Math lesson can be used alone or alongside Three-Digit Addition Strategies Review.

Comparing Strategies for Three-Digit Addition

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