## Purple Paint

One batch of a certain shade of purple paint is made by mixing 3 pails of blue paint with 2 pails of red paint. A. Complete the following ratio table: B. What patterns do you notice in the rows and columns? How would the entries in the nth column of the table be related to […]

## Raising Salaries

How much was Sally earning 8 years ago?

## Red and Green Marbles

What would you have to add to a package of marbles so that the ratio of red marbles to green marbles becomes 5 to 8?

## Discounting Cars

Help a car dealer decide how much to mark down her old inventory.

## Increasing Area

If the area of a rectangle increases how much does its length and width increase?

## Bouncing Ball

Determine how high a ball rebounds with each bounce.

## It’s On Lacey

How much lunch can Lacey afford?

How many balls did Alice buy?

## Predicting the Value of a House

How much will the Miller’s house be worth thirty years?

## The Tortoise and the Hare

How long was the hare asleep if the tortoise wins the race?

## Choosing a Loan

Determine which car loan would you pick.

## Math in Motion

Explore the relationship of graphs and motion.

What happens when you add ratios.

## Angle Bisector

Given a triangle and an angle bisector, determine proportions comparing the lengths of the line segments on the sides of the triangle.

## Similar Triangles

Determine proportions comparing the side lengths of similar triangles.

## Let’s Play Ball!

Determine the number of plate appearances of a baseball player.

## The Slope of a Parabola

Explore the properties of the slope between two points on a parabola.

## Boys and Girls in the Class

Explore the properties of ratio of boys-to-girls in several classrooms.

## End Behaviors with Constant Ratio

Find two functions that produce a constant ratio for large x.

## Geometric Sequences and Series

Explore the properties of geometric sequences and series.