To find any subtraction facts that children did not know (e.g., 14-8), 10 teachers successfully taught first- and second-grade children of all ability levels to count up from the smaller to the larger ...

While each product featured is independently selected by our editors, we may include paid promotion. If you buy something through our links, we may earn commission. Read more about our Product Review ...

You can find the difference between two numbers in more than one way. You can count up from the smaller number to the larger number. Or, you can count back from the larger number to the smaller number ...