Videos

This video shows students how to solve two-step inequalities by performing the order of operations in reverse.

This video explains how to use key information from a word problem to translate words into an equation to solve for "x."

In this video, Marta uses data collected in a T-chart to make a picture graph displaying her friends' favorite vegetables.

In this video, Alex and Jada learn to use compatible numbers to simplify complex multiplication.

A food chain shows how energy passes from one living thing to another. Watch this video to learn how plants and animals get energy from the sun and…

In this video, Marta learns various ways to subtract 2-digit numbers from 2-digit numbers, including regrouping and marking out.

Explain sound waves with this animation of vibrating keys on a vibraphone. Students will learn about pitch and volume.

In this video, Emily learns how to calculate the volumes of irregular figures by combining volumes.

In this video, Marta learns to fill a 10-frame model to solve an addition fact.