Solve real world problems with addition and subtraction within 1,000. Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Use visual models and place ...

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 ...

Many school districts and policymakers are stepping up efforts to teach students the skills they need to be prepared for the jobs of the future. One big area of focus is STEM. Jobs in science, ...

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, ...

If there are nine people in a room and every person shakes hands exactly once with each of the other people, how many handshakes will there be? How can you prove your answer is correct using a model ...

Problems come in many varied flavors in the world of business. Solving a problem means figuring out the best way to tackle it. Unfortunately, the biggest problem with entrepreneurs stuck in a singular ...

Add Yahoo as a preferred source to see more of our stories on Google. We like to think that we're pretty good at math, especially after years of schooling. But every once in a while, a simple ...

Are you stuck with workplace problems that you can't solve? Make your problem front and center. When you say that you're "a firefighter," you don't mean the firefighter who runs into buildings with ...

Opinions expressed by Entrepreneur contributors are their own. Many entrepreneurs immediately concentrate on the issues at hand, which makes it more difficult to come up with solutions because you’re ...