## Search Results

### Sizing Up

3-5
Students will use measurement to investigate where clothing sizes come from, and to explore how sizes differ between companies and countries.

### Factor Game

3-5, 6-8
The Factor Game engages students in a friendly contest in which winning strategies involve distinguishing between numbers with many factors and numbers with few factors. Students are then guided through an analysis of game strategies and introduced to the definitions of prime and composite numbers.

### Chairs Around The Table

3-5
Students investigate the number of chairs that can be placed around an arrangement of square tables. Three related problems in this lesson yield different linear relationships for students to discover.

### How Long? How Wide? How Tall? How Deep?

3-5

In this lesson, students use historical nonstandard units (digits, hand, cubit, yard, foot, pace, fathom) to estimate the lengths of common objects and then measure using modern standard units. They will discover the usefulness of standardized measurement units and tools.

Many students have not had enough experiences with nonstandard units and therefore have an incomplete understanding of measurement. This lesson provides more of these experiences as well as a bridge into familiar standard units of measuring length. Interested teachers could also connect this lesson to information about measurement in many ancient cultures.

### Getting to Know the Shapes

3-5
In this lesson, students discover the uses of geometry and measurement in the world of architecture as they are introduced to the clubhouse project.

### Finding Perimeter and Area

3-5
In this lesson, students develop strategies for finding the perimeter and area for rectangles and triangles using geoboards and graph paper. Students learn to appreciate how measurement is a critical component to planning their clubhouse design.

### Creating a Two-Dimensional Blueprint

3-5
In this lesson, students draw a two-dimensional blueprint of their clubhouse using graph paper.

### Constructing a Three-Dimensional Model

3-5
In this lesson, students build a threeâ€‘dimensional model from their twoâ€‘dimensional blueprint. In addition, they solve problems related to constructing and decorating their clubhouse.

### Body Measurements

3-5
People come in all different sizes and can be measured in lots of different ways. In this lesson, students can make their own fascinating discoveries and become aware of the concepts of ratio and proportion as they relate to measuring features of their own bodies.

### Belize's Barrier Reef

3-5
In this lesson, students will view several websites and determine what mathematical ideas and concepts are involved in scuba diving. The emphasis is on using technology to help students gain an understanding of how math is used outside of a school setting.