Here you will find a video about addition and subtraction. Watch this, and then test your knowledge with a short quiz before exploring the rest of the collection. This section contains videos from our ...

The Buffalo Bills have made a big step in the right direction. Did we secure Fred Taylor for a Marshawn Lynch insurance policy? No. Did we make a run at one of the several big name receivers who are ...

The present paper describes the success, the methods (mental, informal written, standard algorithm) and the strategies of informal written arithmetic to be observed when 300 elementary students worked ...

It is a common trend in the sports world for any and all personalities therein to adopt various buzz words and jargon. Words or phrases that are either rooted in obscurity or just tossed out to ...

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 ...

When we're doing addition, our number is going to grow. It will always be bigger if we are adding to it. 5 balls in hoop 1 and 3 balls in hoop 2. Count them all up and you have a total of 8 balls. The ...