Fourth graders explore number sense by completing word problems in class. In this estimation instructional activity, 4th graders define terms such as sum, difference, estimate and best. Students complete estimating worksheets based on...

Compute fuel economy and gas mileage. Why? So you can teach rates and ratios, of course! Middle schoolers calculate the rate of miles per gallon for various vehicles. They research each vehicle, its mileage per gallon, and cost per...