Here is a part-whole model. Sometimes the model is rotated. It looks different, but it still has two parts and a whole. We can use this model to help us solve problems. We can put 4 things in one of ...

Hello, I'm Mr Firth, and I need your help today as we learn to add and subtract within ten. You can use lots of things to help you add and subtract. Counters, number lines and even your fingers. Let's ...

Help Super Grover 2.0 solve a prickly problem, read ALL THE WAYS TO BE SMART. Help Super Grover 2.0 solve a prickly problem, read ALL THE WAYS TO BE SMART, subtract using 10 frames, learn about short ...

Years ago, when her eighth-graders struggled with basic subtraction, teacher Rita Frenzel tried something different: She taught them chess. The math scores climbed, and so did a passion that would ...