Students put all of their addition and subtraction skills together to solve equations.

We're also going to be doing some subtraction word problems. Get ready, we're gonna warm up our brains with our friend Dotson. Here he comes now.

Twenty-four first-grade children were asked to write number sentences and select appropriate alternative number sentences for addition and subtraction word problems. Responses were qualitatively ...

Forty-five first graders were categorized into three levels according to their informal strategies for solving addition and subtraction word problems. They were taught to write canonical and ...