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.

Encourage student explanations and visual representation of fraction subtraction in this interactive lesson. Use this lesson on its own or as support to the lesson Modeling Mixed Number Subtraction.

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.

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

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.

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.

Take your students on a virtual shopping trip to allow them to explore the importance of spending money wisely.

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