Tasty subtraction! Your students will have a delicious time learning to subtract with a treat they can eat when they are finished.

Teach your students to subtract mixed numbers with like denominators using the strategy of decomposition. This strategy helps students to manipulate and break down numbers to help them solve tricky subtraction problems.

Teach your students to interpret multiplication as scaling. In this lesson, students will learn to predict the size of a product, using one factor as scale.

Finding the least common multiple is an essential skill for comparing, adding, and subtracting fractions! This lesson introduces students to this concept in an interactive way.

Help build your students' confidence in number recognition and one-to-one correspondence with their favorite plastic building pieces.