Activity Overview
Students solve a problem involving mixing of paint colors. They use color charts to determine the fractional parts and percentages of colors needed to create tints and shades.
Before the Activity
See the attached PDF file for detailed instructions for this activity
Print pages 78 - 86 from the attached PDF file for your class
Review the four steps of problem solving with the students
During the Activity
Distribute the pages to the class.
Follow the activity procedures:
Read the problem and understand how tints and shades are prepared
Create a tint and shade chart for one color
Calculate the amount of each color paint used for each tint or shade
Create a chart showing the fractional amount, percentages, and actual number of liters of each color of paint needed to make a batch of each tint or shade
Write an explanation about the calculations used
Converting fractions to percents
Solve problems involving conversion of fractions to percents
After the Activity
Students analyze different ways in which they used the calculator to solve the problem.
Review student results
As a class, discuss questions that appeared to be more challenging
Re-teach concepts as necessary