Building area understanding using pattern blocks; using a numberline to solve problems Building area understanding using pattern blocks; Building the foundation of using a numberline to solve problems ...

San Jose, California: Jesse Roe, a ninth-grade math teacher at a charter school here called Summit, has a peephole into the brains of each of his 38 students. He can see that a girl sitting against ...

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 ...