Algebra is all about missing values or numbers. If you have solved a missing box problem, you have already solved an algebra equation. Rather than drawing missing boxes or writing the words “missing ...

“For some, common core is creating common confusion,” said education correspondent Rehema Ellis on a recent NBC News segment. The crux of the news piece was that parents are struggling to help their ...

Relating addition and subtraction and playing the game BUMP; counting down. Relating addition and subtraction and playing the game BUMP; Working with numbers, starting with a number and counting down ...