Ways to break apart numbers to solve addition & subtraction equations in a fact family. In this lesson, Julia reviews the ways to make 10 and how we can use these ways to break apart numbers to solve ...

Count back & use the relationship between addition and subtraction to subtract within 20. Warm up with a Mystery Math Mistake to find the error in DC's addition. Use ...

The film follows Billy Thompson, who wants to buy a new ball but first needs to purchase paints and a bat, totaling 194 pennies. He has 223 pennies and learns to subtract to determine how much money ...

The opinions expressed in Inspired Instruction: Videos From the Teaching Channel are strictly those of the author(s) and do not reflect the opinions or endorsement of Editorial Projects in Education, ...

Subtraction is a fundamental math skill that kids learn early in their academic journey. While it's a crucial building block for more complex arithmetic, the process of "taking away" can sometimes ...

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, ...