Help your class gain a foundational understanding of matter by learning how to conduct inquiry and gain an understanding about the characteristics of gases. This lab will have your students amazed at what is really in the air.

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.

Get your little mathematicians excited with this fun lesson about comparing decimals. It features helpful review activities and a game that's sure to keep students engaged.

In this lesson, students will gain and use knowledge of expanded fraction form to play a fun card game involving rounding.

Help students visually represent multiplication with mixed numbers and whole numbers. Use this lesson as a standalone lesson, or as support for the lesson Multiplication of Mixed Numbers with Area Models.

Help students color-code their way to multiplying fractions! Students will learn how to multiply fractions using area models. Use this lesson on its own or use it as support to the lesson Area Models and Multiplying Fractions.

Help your students visually represent equivalent fractions! Use this lesson on its own or or as support to the Show Me Equivalent Fractions! lesson.

Graphs bring data to life and help us draw conclusions about the information presented. In this lesson students will engage with three different kinds of graphs by asking and answering interpretive questions.

Strengthen your students' understanding of cubic units and volume! They'll solve a realistic problem and explain key ideas about volume. Use this lesson on its own or use it as support for the lesson Volume and a Building.

Your students will be able to divide decimal numbers by powers of 10 and explain decimal placement patterns in the quotient.

Discuss correct decimal placement using logical arguments and by multiplying whole numbers. Use this lesson as a standalone lesson or use it as support to the lesson Multiply Decimals.

Help your students show their understanding as they explain how to add fractions with unlike denominators. Use this lesson on its own or as support to the lesson Make It Work! Adding Fractions with Unlike Denominators.

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!

Teach your students how to write decimals in expanded decimal form with this fun game. Students will be writing and comparing decimals while not even realizing they are learning one of the most complicated 5th grade math standards.

Start a dialogue around area models! In this lesson, encourage students to ask questions as they multiply using area models. Use this lesson on its own or as support to the lesson Area Models and Multiplication.

Spirituals have a long history in the United States, and often serve to strengthen and motivate people. Students will compare three types of spirituals from different time periods and share their understanding with their peers.

Help your students create a basis for future math classes with this lesson that teaches children about math expressions and how they can interpret them.

Sor Juana Inés de la Cruz was a 17th century writer and philosopher who today is considered one of the first documented feminists and advocates for women’s education. In this lesson, students will read two nonfiction texts about Sor Juana and discuss her life and accomplishments before writing an opinion piece about her.

In this hands-on lesson, students will learn and use two methods of dividing whole numbers. They will roll dice to create their own unique equations for solving!

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.

Encourage students to explain the relationship between decimals and fractions to help them with future computations. Use this lesson on its own or as support to the lesson Area with Decimals and Fractions.

Make decimal comparisons! Your students will focus on comparing decimals and using necessary language to say their comparisons. Use this lesson by itself or use it as support for the Decimals, Decimals, Decimals lesson.

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.

Refresh students on the relationship between decimals and fractions when they multiply to find the area! They will find the area of a location in a picture by converting mixed numbers to a decimals and then using the area equation.

Teach your students to recognize patterns of zeros when multiplying by powers of 10 with exponents.

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.

Encourage students to explain their processes when converting from a mixed number to an improper fraction, and back again. Use this lesson on its own or as support to the lesson Single Strategy for Adding and Subtracting Mixed Numbers.

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.

This end-of-the-school-year lesson will get the students focused on all the things they learned in math class! It reviews different skills with fractions and decimals in word problems using the "Read, Draw, and Write" strategy.

Build on students' understanding of the power of ten within multiplication to understand its effect within division. Use this as a standalone lesson or as support to the lesson Dividing Decimals by Powers of 10.