Addition & subtraction strategies to solve two-digit equations using an open number line. In this lesson, students go over using different addition and subtraction strategies to solve two-digit ...

Want to help your third-grader master the basics of 3rd grade math? Here are some of the skills your child will be learning in the classroom. Understand what it means to multiply numbers – for example ...

For all of the recent strides we’ve made in the math world—like a supercomputer finally solving the Sum of Three Cubes problem that puzzled mathematicians for 65 years—we’re forever crunching ...

Parents have gotten the message that reading with their children can help instill lifelong literacy skills. A new study adds to the evidence that parents can be providing the same boost to numeracy ...

Time to test your brain! Are you a puzzle person? Most of these hard math problems aren’t straightforward arithmetic. They challenge you to look at problems a different way, testing your logic and ...