Welcome to the Common Core Ratios and Proportions Wiki for sixth grade

How Fast is Dad Driving?

Watch the video and calculate how fast the car is going. Should Dad get pulled
over for speeding?
What are the unit rates discussed in this video?

Although the total CO2 emissions from China are
almost as big as those from United States, the
emissions from a single American are more than 6
times larger than those from a person in China.
What is the new proportion?

Act 1 - Recipes from Timon Piccini on Vimeo.

jewel cheese.JPG
I'm the better buy!

mariano cheese.JPG
No, I'm the better buy!

If you are a student, parent, or teacher visiting this site, you will find numerous resources and instructional videos to reinforce core concepts.
Both videos and manipulatives provide the conceptual understanding that lay the foundation to accomplish more challenging math tasks.

In addition levels of mastery are described and example tasks for each level are provided. A preliminary scoring rubric is also included.

A wiki for 6th grade Geometry can be found here. Other Common Core units of study are under construction. As they near "ready for publication" the links below will be activated.

Grade 6 Number System
Grade 6 Expressions and Equations
Grade 6 Statistics and Probability