In this lesson, students read the book Counting on Frank.

In this activity, students analyze pictures of football stands to make estimates related to the attendance at the Super Bowl.

In this Mystery, students use estimation and graphing to discover the surprising difference in the amounts of fresh and salt water on Earth.

In these activities, students look at attributes that vary from coaster to coaster, attributes that make each scream machine uniquely thrilling.

The Physical Activity Guidelines for Americans recommends that youth (ages 6-17) engage in at least one hour of physical activity daily.

Students participate in an activity in which they develop number sense in and around the shopping mall.

In this task, a group of children sit around a table. Without peeking, they figure out how many feet are under the table.

Students compare the amount of water they use in daily life with the amount allotted for each person each day on a Space Shuttle.

This activity is a valuable opportunity for students to think about estimation and making visual justifications related to the approximate number system.

his activity involves filling a jar with small objects to encourage estimation and counting skills.

This activity is a valuable opportunity for students to count, visualize number quantity, think about estimation, and to make visual justifications related to the approximate number system.

Children use everyday language to talk about time, to compare quantities and to solve problems