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Illustrative Mathematics
Gotham City Taxis
Taxi! Have your travelers figure out how far they can go in a taxi for $10.00. They must account for the mileage rate and tip in their calculation. They can set up a table or make an equation to solve for the exact mileage they can...
Illustrative Mathematics
Chess Club
When the membership in a chess club changes, it is your mathematicians' job to find out how many boys and girls are attending and the percent change from last year. The activity provides a great compound problem finding the different...
101 Questions
Square Partitions
Challenge your classes while developing their problem-solving skills. A square is divided neatly into four equal triangles by its diagonals until one diagonal is moved from a vertex to the midpoint of one side. Now, scholars must devise...
Curated OER
Task: Miniature Golf
"Fore!" All right, no one really yells this out in miniature golf, but this well-defined activity will have your charges using lots of numbers in their unique design of a miniature golf hole. Included in the activity criteria is the...
Curated OER
Task: Grain Storage
Farming is full of mathematics, and it provides numerous real-world examples for young mathematicians to study. Here, we look at a cylinder-shaped storage silo that has one flat side. Given certain dimensions, students need to determine...
Curated OER
Task: Range of Motion
If you have ever injured your shoulder, you know it takes a while to improve your arm's range of motion. In this real-world example, young mathematicians gain insight into the world of physical therapy while they analyze a case study...
Amby Duncan-Carr
Amby: Proporion Method to Solve Percent Problems
Examples are solved to demonstrate using proportions to solve percent problems. Exercises are provided that allow you to check your answers.
Other
Math score.com: Math Practice Problems Percent of Quantity
On this site, students can practice solving three types of percent problems and check their answers.
Varsity Tutors
Varsity Tutors: Hotmath: Graphing Calculator Practice Problems Proportions
Practice using your graphing calculator for proportion problems. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each problem.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Ratio and Proportion
The Math Page tutorial explains and defines ratio and proportion and includes this practice section at the end of the lesson.
Shodor Education Foundation
Shodor Interactivate: Mixtures
This activity will help students develop their understanding of percents and proportional reasoning by solving mixture problems. Working with two piles of circles the student determines the number in each pile that will be colored. In...