Every so often it's good to exercise your brain with a math problem or two that forces you to recall principles you learned decades prior. As elementary as it might feel, you'd be surprised how easy ...

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 ...

A seemingly simple math problem that produced markedly different answers on a calculator and a phone has left the internet stumped and sparked comparison with several notable viral debates. The ...

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, ...

You probably think you're smarter than a middle schooler. If you want to know for sure, try your hand at this basic math problem. It's harder than it looks — even if you think you have a solid grasp ...

A key part—though surely not the only part—of early-grades math is ensuring students get the basic arithmetic functions down and, beyond that, making sure they’re able to swiftly and automatically ...