To solve basic math operations — and more complicated ones down the road — kids need problem-solving skills ... School-aged children focus on addition and subtraction at first, and then ...

In addition, children must use spatial ordering ... In a way, active working memory allows children to hold together the parts of math problems in their heads. For example, to perform the mental ...

This model shows 6 + 3 = 9. You can also use part-whole models to help with addition problems involving bigger numbers. We can partition the smaller number and add the tens and ones separately.

This model shows 6 + 3 = 9. You can also use part-whole models to help with addition problems involving bigger numbers. We can partition the smaller number and add the tens and ones separately.