Painters need math too!

If you plan to paint a large area, you need to know how much paint to buy.

We can check the Sherwin Williams Webpage to find out how many how many square feet we can paint with a gallon of paint. Sherwin Williams says:

"When calculating the spreading rate of paint, the basic figure of 1,604 square feet is used to represent the area that one gallon of paint will cover..."

http://www.sherwin-williams.com/Builders/FAQ/#


Project paint the recess court!
If we were going to paint our recess area different colors, we would need to find the square feet in order to figure out how much paint to buy.

Kids love colors! So we will want to find the area of various places on the recess court to make it colorful. For our project, we will need each group to measure, record, sketch, and take pictures. There will be four students in each group (except one with 3 students). The jobs are:

Measurer - need ruler
Recorder - clipboard
Artist - paper and colored pens
Photographer - camera (shared)


Area Assignments:
There are 5 different areas to paint.

Group 1: The entire area (use roller measure master)
Group 2: The basketball lane (use yard stick)
Group 3: The free-throw circle (use yard stick)
Group 4: The small rectangles on the lane (use ruler and square inches)
Group 5: The four square (use yard stick)

IMPORTANT: You will want to estimate how many square feet. So round-up to the nearest foot (except for group 4).

Formula for area of a rectangle: Length x width.
Formula for area of a circle: Pi x radius squared (radius x radius)
Pi = 3.1463

Groups by class

Complete your part of the project by doing the following:

Using Microsoft Word, type a proper header with date, names and "Project Paint the Recess Court" as the title. Underneath the title, type the area that you studied. Example: Basketball Lane.

Write a paragraph that includes a topic sentence, the measurements, and the math that you used to find the area, as well as how many gallons of paint you will need. Also include a scan of your drawing, as well as a digital photograph. Try to make everything fit on one piece of paper.


Project page by Mr. Brown
May 12, 2003 1