Positioned inside the framework of linear and exponential functions, this lesson is more of an investigation into the effects of changing variables and constants inside an expression. The author takes familiar formulas, those for...

Students practice counting and comparing objects.  For this math lesson, students view a Count on It! episode. Students examine the value of what they are counting.  Students estimate number in groups of items.  Students...

Third graders demonstrate their estimating and measuring abilities.  In this length measurement lesson, 3rd graders produce estimates of how long a handful of French fries will be before physically measuring them.  Students...

Student explore estimation and measurement. In this measurement lesson, 2nd graders measure french fries, graph their data, and determine the size of french fries that is the best value. Students practice how to add prices and calculate ...