We may see addition or subtraction as simple, but it requires different parts of our brain to store information and understand order.

Addition & subtraction with regrouping using different strategies to solve.

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

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.

Inside a giant computer created before the age of mathemagicians, Olivia and Hassan are faced with a multi-step problem to reach the labyrinth’s next stage.

Miss James needs your detective skills to solve some addition and subtraction problems.

12 - 5 = 7 Just like with addition, we can use a part-whole model to help partition larger numbers to make them easier to deal with in subtraction problems.

The new study shows bees can be taught to recognize colors as symbolic representations for addition and subtraction, and use this information to solve arithmetic problems.

We investigated the effects of self-regulated strategy instruction on the ability of four elementary-school students with mild handicaps (2 with learning disabilities [LD] and 2 with mild mental ...

In a recent study from our research group, we looked into how different characteristics of mathematical word problem-solving tasks may influence elementary schooler’s performance.