Students put all of their addition and subtraction skills together to solve equations.

Use Notice and Wonder with a 10-frame, connecting cubes, and place-value cards to ask and answer math questions. Then, represent teen numbers using addition and subtraction equations and one 10.

Having been transported to a floating library, Olivia and Hassan's ability to solve large equations using written methods is tested.

From classrooms to kitchen tables, debates about math education are never far away. Should teachers drill multiplication ...