Windmills have been around for generations to grind food and create energy. During this challenge, students will use various materials and put their engineering skills to work by creating their own windmills.

Help your students master decimals with this engaging math lesson. Your class will put their art skills to work creating a poster, and will practice mathematical explanations through peer collaboration.

In this hands on lesson, students create squares with different fraction pieces while building their knowledge of adding fractions with different denominators.

Teach your students to find the perimeter of polygons using real world examples. They will make polygon pictures using tangrams and practice finding the perimeters of the polygons in their masterpieces.

Students will practice coming up with equivalent fractions in a fast paced challenge! This is an introductory lesson to equivalent fractions.

Challenge students to decompose numbers within multiplication expressions. Use this lesson as a standalone lesson or as support to the lesson Solving Expressions in Word Problems.

Multiplying with fractions may seem easy to your students, but challenge them with this engaging lesson that requires them to write their own word problems!

Challenge students to listen to instructions to create expressions with parentheses. Use this lesson on its own or as support to the lesson PEMDAS: Order Up.

Challenge students to compare two strategies for solving division expressions! Students will focus on their language use in this pre-lesson to the Dicey Division lesson.

Challenge students to talk about rounded numbers to the millions place value. Use this lesson as a standalone lesson or as support to the lesson Numbers All A-Round.

Challenge students to relate the multiplication of decimals to that of whole numbers. Have them justify their estimations in partners. Use this lesson on its own or use it as support to the lesson Multiply Decimals with Models.

Challenge students with a discussion about prepositions and conjunctions in this lesson. Your class will write a journal entry to explain the function of the prepositions and conjunctions in a specific sentence.

Challenge students' understanding of multiplying fractions by whole numbers to help them form opinions about rules regarding scaling. Use this lesson on its own or as support for the lesson Multiplication as Scaling.

Challenge students to convert measurements between their metric counterparts! Students will relate the measurements to real-world objects. Use this lesson as support for the Converting Metric Measurements in Word Problems lesson.

Word problems present an additional challenge for English learners. This division lesson gives them a concrete strategy to decipher word problems. Teach it on its own or prior to teaching Division Word Problems.

Challenge students to use their understanding of standard algorithm division to list multiples while solving division problems. Focus on their language use and opinions in this pre-lesson to the Partial Quotients Method lesson.

Challenge students to think about decimals while identifying numbers to the hundredths and thousandths. They'll discuss decimal attributes too. Use this lesson on its own or as support to the lesson Dividing Decimals: Estimation.

This lesson includes a bunch of hands-on activities to get little writers excited about complete sentences. After learning about subjects and predicates, students will tackle the challenge of writing their own sentences and fragments.

Challenge your students to compare two methods for finding the least common multiple between two fractions. Use this lesson on its own or as support for the lesson Make It Work! Adding Fractions with Unlike Denominators.

Saying lengthy numbers doesn't have to be a challenge! Relate the digits in numbers to their place value to help students say the expanded form. Use this lesson on its own or use it as support to the lesson Many, Many Millions.

This engaging lesson will revisit the basic parts of speech and address why some words have can have more than one part of speech. Students will then enjoy a fun group challenge to turn adjectives into nouns by modifying the word endings.

Facilitate rich math conversations with this lesson on finding the missing information in problems related to the area of rectangles and squares. It may be taught by itself or used as support to the lesson Finding Area: Furnishing A Room.

Students will explore how parentheses change the meaning of a number sentence. They will be challenged with a set of playing cards to make a certain number.

Coral reef life comes alive in this fun label and match activity that challenges students’ deductive reasoning skills and allows for artistic expression.

Science can be sticky! This interactive lesson with an ooey-gooey ending will solidify your students' understanding of the states of matter!

Pow! Bam! Splat! In this integrated reading and science lesson, students will explore the relationship between cause and effect. They will get creative and create cause-and-effect comic strips!

Teach your students to predict and explain features of scaled regular shapes.

Strengthen your students' understanding of figurative language by helping them interpret visual puns! Students will use a webpage to help them understand puns in their future reading and writing endeavors.

It's time for some fun with grid puzzles! In this lesson, students will learn how to solve KenKen puzzles using logic and applying their knowledge of addition, subtraction, multiplication, and division skills.

Finding the area of a rectangle is a key measurement skill to know. In this lesson, your students will enjoy practicing this skill by determining the area of their classroom.