Students build Lego cars which have two different types of tire surfaces. They roll them down ramps that have both rough and smooth surfaces to determine how friction affects the car as it rolls.

Students are introduced to the given problem and describe in their own words the situation represented in a bar chart and tally chart. They then use a bar chart and tally chart to make sensible predictions.

On this interactive site students learn to link temperature to everyday life and read informal scales on a thermometer.

[Free Registration/Login Required] This flipchart is designed to accompany fourth grade's Everyday Math (version 3) lesson 1.3, this flipchart explores different types of angles, triangles and quadrangles through engaging presentation...

Practice changing Egyptian numerals into our everyday numbers we use and vice versa. Three hints are available. This game is set up with a game show format. See how high you can climb on the money chart!