## Instructor Overview

# Gallery Overview

Students who are caught up can spend this time working on gallery problems while you work with other students in study groups. Students have a choice of problems, and they can work on however many problems time permits.

# Gallery Descriptions

**Finding the Missing Base**

Students will find the length of one of the bases of a trapezoid given the length of the other base, the height, and the area.

**Utah Units**

Students will estimate the area of Utah and then estimate the area of the United States in “Utah” units.

**Growing Rectangles**

Students know how to find the lengths of the sides of polygons on the coordinate plane. They will use this knowledge to find the area of each rectangle in a series of growing rectangles.

**The Volumes of Solids**

Students will find the volume of solids that are built out of cubes. They will also build their own solid out of cubes and have their partner find its volume.

**From 3-D to 2-D and Back**

Students will investigate the net of a milk carton.

**Geometry of Gardening**

Students will use their knowledge of perimeter and area to design a garden on grid paper.

**Net of a Number Cube**

Students will draw a net of a number cube.

**Dividing Parallelograms**

Students will prove or disprove Emma's statement about dividing parallelograms into four triangles, all with the same area.

**Area of Triangles**

Students will find the areas of two different triangles on the coordinate plane.

**Placing a Rug**

Students will place a square rug exactly in the middle of a floor and find the number of square feet not covered by the rug.

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