Start your students on subtracting three-digit numbers with this lesson that breaks the problems down by place values!

Teach your students to add mixed numbers and improper fractions with the same denominator using the counting up strategy with number lines.

Let your students learn how to find the area of rectangular objects by doing hands-on activities. Your students will love finding the area of various rectangular objects around the classroom!

In this interactive lesson that includes the use of clock manipulatives, students will discover that addition goes beyond straightforward addition problems. Finding the elapsed time is easy with addition!

Let's better understand multiplication and division concepts! Use this lesson to help students understand inverse operations between multiplication and division.

In this lesson, your students will create their own math facts and practice them! They will understand that multiplication and division are opposites.

In this lesson, students will add three-digit numbers using expanded form addition and standard algorithm addition. They'll explain their answers and highlight the steps for each of the strategies.

In this lesson, students will construct their own number lines and bar models to find equivalent fractions.