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 ...

Solve word problems using a checklist. Engage in a Number Talk to find "how many." Solve addition and subtraction word problems with a Step-by-Step Visual Model checklist. Understand what the problem ...

Mathematics is a fundamental part of anyone's elementary and high school education. Students are taught from an early age how to add, subtract, multiply and divide numbers to solve equations. But for ...

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, ...

An equation is a mathematical statement showing that two expressions are equal. The two expressions are linked with an equals symbol (=). The unknown variable (often the letter \(x\)) can take any ...

Nathan Katcher memorized the design of the flags of 65 different countries. He taught himself how to play the piano using an app. He has five different versions of Monopoly and knows exactly how much ...