Helping students to develop math fluency takes more than just flash cards. It requires teaching them how to think about ...

Addition & subtraction strategies to solve two-digit equations using an open number line. In this lesson, students go over using addition and subtraction strategies to solve two-digit equations using ...

Before you submit an error, please consult our Video Help page. Math Mights is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Kids who visualize numbers as an evenly spaced line are better at remembering the digits than ...

Number lines are a great way to compare numbers. They also help you to order numbers, understand place value and estimate where a number is. Watch this video to find out more. This number line shows ...

Number lines can help you see where a number is compared to another number. You can create a number line that goes up to any number. You can then look at the part of the number line that's the most ...

The girls are laughing, smiling, jockeying for position along a line of masking tape on the floor, gently bumping up against the three teachers in their classroom at Enterprise Charter School in ...