When you estimate a number you decide approximately, or roughly, how big that number is. To estimate accurately, you need to have a good understanding of the value and order of numbers. A number line ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Hi there. I'm Miss James and I'm so excited to be learning with you today. For this lesson, all you ...

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 ...

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, ...

Parents have gotten the message that reading with their children can help instill lifelong literacy skills. A new study adds to the evidence that parents can be providing the same boost to numeracy ...

When you order numbers to 100, you can arrange them from smallest to greatest or from greatest to smallest. Look at the tens first and then the ones if you need to. This number line goes from 0 to 100 ...