Students put all of their addition and subtraction skills together to solve equations. In this lesson, students put all of their addition and subtraction skills together to solve equations. Julia ...

Solving one-step equations with addition and subtraction is a fundamental skill in algebra that lays the groundwork for more complex problem-solving. This video provides a straightforward guide to ...

Here you will find a video about addition and subtraction. Watch this, and then test your knowledge with a short quiz before exploring the rest of the collection. This section contains videos from our ...

“For some, common core is creating common confusion,” said education correspondent Rehema Ellis on a recent NBC News segment. The crux of the news piece was that parents are struggling to help their ...

Hello, I'm Mr Firth, and I need your help today as we learn to add and subtract within ten. You can use lots of things to help you add and subtract. Counters, number lines and even your fingers. Let's ...

More, more, more! We seem to have an innate drive toward addition—blind faith that more is always better. We make our burgers bigger, add more toppings, and throw in a supersized order of loaded fries ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Hi, I'm Miss James. Thank you so much for being here today with me. For this lesson, all you will need ...

Jackson Ryan was CNET's science editor, and a multiple award-winning one at that. Earlier, he'd been a scientist, but he realized he wasn't very happy sitting at a lab bench all day. Science writing, ...