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 ...

The other night I could hear my wife and third-grade daughter talking heatedly about something. I assumed they were having an argument. But eavesdropping on the raised voices, I realized that was not ...

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 ...