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Great set of lessons for modeling, recursive functions, real-life application from NCTM Illuminations. The lessons include not only context, but applets that help students visualize the situation and  mathematical model. 

Neat tool for teachers. Need a quickly designed number line or graph paper. From NCTM and Illuminations, easy to use but not super easy to manipulate. Good for basic graphics needs.

In this unit, students will investigate a relationship between recursive functions and exponential functions. Math Content By the end of this unit, students will: Represent data using tables, graphs and rules Investigate patterns and make conjectures Express sequences with recursive and exponential rules Describe and interpret exponential functions that fit the patterns Individual Lessons Lesson 1 - Trains, Fibonacci, and Recursive Patterns In this lesson, students will use Cuisenaire Rods to build trains of different lengths and investigate patterns. Students will use tables to create graphs, define recursive functions, and approximate exponential formulas to describe the patterns. Lesson 2 - More Trains In this lesson, students will use Cuisenaire Rods to build trains of different lengths and investigate patterns. Students will use tables to create graphs, define recursive functions, and approximate exponential formulas to describe the patterns. Lesson 3 - Recursive and Exponential Rules In this lesson make connections between exponential functions and recursive rules. Students will use tables to create graphs, define recursive rules and find exponential formulas.

"Initial thoughts on "Focus in High School Mathematics: Reasoning and Sense Making" The book study begins!" Book study post on the new NCTM Series "Focus in High School Mathematics: Reasoning and Sense Making"

Several lessons designed around the election, while it's a hot topic, all levels elementary, middle and high.

This applet allows the user to represent data about the states using colors. The state with the highest data value is darkest; other states are shaded proportionally. Investigate any of the data provided-or enter data of your own!

Great resource for math teachers to help them represent data.

Census at School is an international classroom project that engages students in grades 4-12 in statistical problemsolving. Students complete a brief online survey, analyze their class census results, and compare their class with random samples of students in the United States and other countries.

Making connections to prior knowledge to assist in the learning of math concepts - using number lines, various examples provided.

Please note that I did not intentionally violate the terms of NCTM copyright when I posted this page... I have tried to delete the bookmark and am unable to do so...

Creating Connections: Promoting Algebraic Thinking with Concrete Models

Creating Connections: Promoting Algebraic Thinking with Concrete Models - the article elaborates on the use of concrete models to teach polynomial topics.

Please note that I did not intentionally violate the terms of copyright for NCTM when I shared this page... I have tried to delete the page and am not able to do so at this time.