Second graders solve change unknown story problems using a number line. This lesson gives students a new strategy to attach change unknown word problems.

This sample chapter from Hurst's book Picturing Math is an excellent resource for using picture books and activities for learning computation.

In this lesson, A Tree Grows in Brooklyn by Betty Smith is used as the mentor text. Students will explore numbers and the properties of these numbers. Students will then write a math story, using the explored numbers, and incorporate...

Explore methods for calculating and comparing discounts in this video from KQED. In the accompanying classroom activity, students develop different strategies for calculating and comparing discounts, including percent off a price,...

A seven-question quiz will help you practice answering questions dealing with the volume and area of solids.