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 ...

Addition explained, getting the same total when adding different numbers and making addition easier using chunking and the column method. Subtracting numbers using the column and chunking method ...

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 ...

Subtraction is a fundamental math skill that kids learn early in their academic journey. While it's a crucial building block for more complex arithmetic, the process of "taking away" can sometimes ...